Mobile Phone for the GSM Network

Ericsson GH688

Users Manual
Second edition (June 1997) This manual is published by Ericsson Mobile Communications AB, without any warranty. Improvements and changes to this manual due to typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by Ericsson Mobile Communications AB at any time and without notice. Such changes will, however, be incorporated into new editions of this manual. All rights reserved. Ericsson Mobile Communications AB, 1996. Publication number: EN/LZT R1B Printed in Sweden INNOVATRON PATENTS

Congratulations.

and thank you for buying the GH688, a product specially suited the heavy user of mobile phones. The GH688 offers advanced data communication functions, up to six hours of uninterrupted talk time and comes with an extra large display. Ericssons mobile phones are produced to meet high quality standards and are marked with the symbol. This manual introduces you to your mobile phone and shows you how to get the most out of your new product. The manual contains the following information: An introduction to your phone and how to make it ready for use.
How to deal with phone calls and all the features available to you
before, during and after a telephone conversation.
How to personalize and set up the phone to meet your
requirements in the every day use of your phone. An explanation of how network services can help you to always keep in touch with other people and the latest area information. How it is possible to keep track of and restrict phone calls. We advise you to read the safety information before you start using your phone.

Table of Contents

Guidelines for Safe and Efficient Use. iv The Phone. 1 Preparing Your Phone for Use. 2 The SIM Card. 2 The Battery. 2 The Low Battery Alarm. 4 Turning On the Phone. 5 When No Network is Displayed 5 The Display Language. 5 The Time. 5 How to Turn off the Phone. 5 The Keypad and Display. 6 Key Functions. 6 Indicators in the Display. 7 Making and Receiving Calls. 8 How to Make a Domestic Call. 8 How to Make an International Call. 8 How to Make an Emergency Call. 9 How to Receive a Call. 9 During a Call. 10 How to Change the Volume. 10 How to Use the Display as a Scratch Pad. 10 How to Send Tone Signals. 10 The Phones Menus. The Menus. Display Texts and Symbols. The CHECK and SPECIAL CHARACTERS Menus. The Phone Book. How to Store a Phone Number Alt. 1. How to Store a Phone Number Alt. 2. How to Recall a Phone Number. How to Edit the Phone Book. How to Erase a Phone Number Alt. 1. How to Erase a Phone Number Alt. 2. How to Erase All Phone Numbers. How to Copy Phone Numbers The Answered Calls Memory. The Dialled Numbers Memory Personalizing Your Phone. How to Change the Ring Volume. How to Change the Ear Piece Volume. How to Change the Ring Type. 20 How to Edit a Melody. 20 How to Change the Message Signal. 20 How to Select Key Lock. 20 How to Select Key Sound. 20 How to Change the Display Light. 20 How to Set the Minute Minder 21 How to Set Call Information. 21 How to Select Answering Mode 21 How to Change the Greeting Text. 21 How to Display Your Phone Number. 22 How to Change the Display Language. 22 How to Change the Name of Two Lines. 22 How to Activate the Data Menus. 22 How to Reset the Phone. 22 Protecting Your SIM Card and Phone. 23 The Card Lock. 23 The Phone Lock. 24 Call Barring. 25 The Keypad Lock. 26

EN/LZT R1B

Setting the Time, Date and Alarm. The Clock. The Date. The Alarm. Diverting Incoming Calls. How to Activate a Call Divert. How to Check the Status of a Call Divert. How to Cancel a Call Divert. Other Networks. How to Select Search Mode. How to Select a Network. Forbidden Networks. List of Networks. DTMF Tones. Automatic DTMF. The DTMF Pause Function. How to Make a Call and Send a Code. Pre-programmed DTMF Signalling. Who Is Calling?. Incoming Calls. Answered Calls. Unanswered Calls. Hiding Your Phone Number. Showing Your Phone Number. Handling More than One Call. How to Activate the Call Waiting Service.
How to Make a Second Call Alt. 1. How to Make a Second Call Alt. 2. Receiving a Second Call. How to Switch Between Two Calls. How to End the Current Call. Receiving a Third Call. How to Connect Two Calls. Conference Calls. How to Initiate a Conference Call. The Answering Service. Voice Mail. Sending and Receiving Text Messages. The Messages Memory. The SIM Card Memory. How to Set the Phone for Text Messaging. Area Information. How to Turn On the Area Information. Area Information Message Types. The Area Information Message List. The Two Line Service. How to Select a Line.
How to Answer a Call on Line1 or Line2. Different Settings for Each Line. The Call Time/Call Cost. How to Check Time or Cost of Last Call. How to Check Total Call Time or Call Cost. How to Reset the Total Call Time/Cost Meter. How to Determine the Call Cost. How to Set a Credit Limit for Calls. Fixed Dialling. How to Activate Fixed Dialling How to Store Fixed Numbers. How to Edit a Stored Number. Data Menus. The Calculator. How to Use the Calculator. Composing Your Own Ring Signal. The Phones Note System. Problems You Can Solve. The Phone Does Not Come On. Wrong PIN or PIN2 Has Been Entered. The SIM Card Has Been Blocked.
Guidelines for Safe and Efficient Use

General

Since its introduction in the mid 1980s the mobile phone is one of the most exciting and innovative products ever developed. Your phone can help you to stay in touch with your office, your home, emergency services and others. Your mobile phone is a radio transmitter and receiver. When the phone is turned on it receives and transmits radio frequency (RF) energy. Depending on the type of mobile phone you have purchased, it operates in different frequency ranges and employs commonly used modulation techniques. The system that handles your call when you are using your phone, controls the power level at which your phone transmits. If you want to limit RF exposure even further, you may choose to control the duration of your calls and operate your phone in the most power efficient manner.

This menu only appears if your network offers the 2 Line service and you have subscribed to it.

The Menus

The menus are arranged in a continuous loop. The right and left arrows allow you to access the menu system and then scroll from menu to menu. When you reach the desired menu, press YES to select it. Most of the menus have a number of functions. Scroll with the right and left arrows until you reach the desired function. Press YES to select it. Similarly a function has a number of different settings that you can reach by using the right and left arrows. Press YES to confirm the setting you have chosen. The NO key allows you to leave a setting unchanged. It can also be used to move back from a function to a menu and from the menu to the standby display. Use the CLR key to take you back to the standby display. Note! You will leave the menu system automatically if you do not press any key within 60 seconds or if you receive a call.
You have selected the CLOCK menu
CLOCK ~Set clockR (16:44)
6he current SETTING for the displayed function
You can scroll through the FUNCTIONS
Display Texts and Symbols
UPPER-CASE letters are used to indicate the menu or function selected. When ~and R are displayed you can scroll with the right and left arrows.Text within brackets indicates the current setting for the displayed function.
How to Enter Letters With some functions you can enter letters and other characters using the numeric keys. Press the appropriate key, 1-9, 0 or # repeatedly until the desired letter, character or digit appears in the display. For example, to enter an A, press the numeric key 2 once. To enter a B, press the numeric 2 key twice.
Space - ? ! ,. : ' ( ) 1 ABC2
3 DEF3n 4 GHIJKLMNOPQRSTUVWXYZ0+&@/$% # #* Note! To enter a digit, you can also press and hold down the numeric key. How to Enter Lower-Case Letters Enter the letter, for example an A, and then press *. An a appears. Lower-case letters will now appear until you press * again.
How to Check the First Characters If you enter more than 20 characters (and *, #, + or p) into the display, the first characters will disappear from the display. Instead, a left arrow is shown to the left in the second line, in front of the characters. Pressing the right arrow takes you to the CHECK menu, which lets you see the first characters you have entered. If you wish to enter a special character, press the right arrow. To return to the standby display, press the left arrow. How to Insert Special Characters If you have entered fewer than 20 characters , pressing the right arrow takes you directly to the SPECIAL CHARACTERS menu. This menu makes it possible to: Insert a pause character (p) to separate the phone number from a code that you wish to send as DTMF tones. See DTMF Tones, p. 34. Insert a code that shows your phone number in the receivers phone display when making a call. See Who Is Calling?, p. 36. Insert a code that hides your phone number when making a call. See Who is Calling?, p. 36.

new number of the position. Store the number in the selected position, thus erasing the old number. Press YES.
When the Card Memory is Full If you try to store a phone number when all positions are occupied, a position number in the phone memory will be suggested in the top line of the display. When Both Memories are Full If both memories become full, no position number will be suggested. If you do wish to store the phone number, you have to enter the number of an already occupied position, thus erasing the old number.
How to Store a Phone Number Alt. 2

BOOK BOOK

Instead of entering the phone number before going to the PHONE menu, you can select the Store function from the PHONE menu and then enter the name and phone number.
How to Recall a Phone Number
Using the Name Alt. 1 1. Clear the display by pressing CLR. 2. Press the left arrow followed by YES to select the PHONE BOOK menu. 3. Press YES to select the Name recall function. 4. Enter one or more letters of the name in the correct order and press YES.
Overwrite Protection STORE 10 This message appears if you try to store a Used phone number in a position which Overwrite? already contains a phone number. You can then do one of the following:
the phone book with the right and left arrows until you find the correct name. 5. Press YES to call the name or NO to return to standby.
If the displayed name is not the required one, scroll through
How to Edit the Phone Book
1. Select Edit from the PHONE BOOK menu. 2. Enter the position number and press YES. If you wish to enter the name, press the right arrow. Enter the full name and press YES. You can now change the position number (in the top line), the name (in the middle line) or the phone number (in the bottom line). When the cursor is positioned to the right of the characters in a line, you can move the cursor to the next line by pressing the right arrow and then make the changes in that line. Press CLR (repeatedly) to erase the last character(s) in a line. Then enter the new characters. You can also move the cursor back with the left arrow and erase characters to the left of the cursor, or insert characters in the cursors position. 3. When you are finished with the changes, press YES.
Using the Name Alt. 2 1. Clear the display by pressing CLR. 2. Press the left arrow followed by a numeric key. For example, to recall a name beginning with A, press 2. To recall a name beginning with E, press 3 twice. If the name displayed is not the required one, scroll with the right and left arrows until you find the correct name. 3. Press YES to call the name or NO to return to standby. Using the Position 1. Clear the display by pressing CLR. 2. Press the left arrow followed by YES to select the PHONE BOOK menu. 3. Press the right arrow and then YES to select the Position recall function. To enter a number in the phone memory, for example 1, press # to enter the character. If you entered the wrong position number, scroll through the card or phone memory using the right and left arrows until you find the phone number. 4. Press YES to call the number or NO to return to standby.

How to Erase a Phone Number Alt. 1
1. Select Erase from the PHONE BOOK menu. 2. Enter the position number and press YES, or scroll with the right and left arrows until you find the position and number you wish to erase. 3. Press YES to erase the number.
How to Erase a Phone Number Alt. 2
1. Recall the number using Name recall or Position recall.
2. Press and hold down CLR. The question Erase? appears. 3. Press YES to erase the number.
5. Press YES to start the copying. From Card Memory to Phone Memory One by One 1. Select Copy from the PHONE BOOK menu. 2. Select Card->Phone and press YES. 3. Enter the number of the first positions in the card memory you wish to copy and press YES: 4. Enter the number of the first position in the phone memory you wish to copy to and press YES. 5. Press YES to copy. The next position in the card memory is displayed. Press: YES to copy. NO or right arrow to go on to the next position in the card memory. CLR to copy to another position in the phone memory. Enter the number of the position and press YES. CLR twice to interrupt copying. From Phone Memory to Card Memory One by One 1. Select Copy from the PHONE BOOK menu. 2. Scroll to Phone->Card and press YES. To copy from the phone memory to the card memory use the YES, NO, CLR and right and left arrows in the same way as in described in the previous paragraph.
How to Erase All Phone Numbers
From the Phone Memory 1. Select Erase all from phone from the PHONE BOOK menu. 2. Press YES to erase all phone numbers.
How to Copy Phone Numbers
From Card Memory to Phone Memory 1. Select Copy all from the PHONE BOOK menu. 2. Select Card->Phone and press YES. 3. Enter the number of the first positions in the card memory you wish to copy and press YES: 4. Enter the number of the first position in the phone memory you wish to copy to and press YES. 5. Press YES to start the copying. From Phone Memory to Card Memory 1. Select Copy all from the PHONE BOOK menu. 2. Scroll to Phone->Card and press YES. 3. Enter the number of the first positions in the phone memory you wish to copy and press YES. 4. Enter the number of the first position in the card memory you wish to copy to and press YES.
The Answered Calls Memory
If you subscribe to the Calling Line Identification (CLI) service of your network, the numbers of the last 5 answered calls are stored in the phone. To recall the last answered numbers, see Who Is Calling?, p. 36.
How to Erase Phone Numbers from the Dialled Numbers Memory 1. Select Dialled numbers from the PHONE BOOK menu. 2. Press and hold down CLR. The display will show: Erase all? 3. Press YES.
The Dialled Numbers Memory
If your SIM card supports this function and allocates 5 or more positions for last dialled numbers, the last numbers called are stored on the SIM. Otherwise, they are stored in the phone. How to Recall the Last Dialled Numbers 1. Press CLR to erase any digits from the display. 2. Press the left arrow, followed by YES to select the PHONE BOOK menu. Then press the left arrow, followed by YES to select the Dialled Numbers function. The number last called is shown. 3. Press YES to call the number, or scroll with the right and left arrows until you find the number you wish to call. Then press YES. Without entering the PHONE BOOk menu 1. Clear the display by pressing CLR. 2. Press YES. The number last called is shown. 3. Press YES to call the number, or scroll with the right and left arrows until you find the number you wish to call. Then press YES.

Personalizing Your Phone

The SETTINGS menu includes a number of functions which let you adapt your phone to your personal needs in different situations. The functions in the SETTINGS menu are described in the order in which they appear when you scroll with the right and left arrows. As a reminder that the ringing signal is turned off, an icon in the shape of a crossed music symbol is shown on the right in the bottom line of the display. Note! You can have one ring volume setting when the phone is used as a handheld unit and another setting when it is used with any Ericsson handsfree equipment.
How to Change the Ring Volume
1. Select Ring level from the SETTINGS menu. RING LEVEL ~ 0QQQQqqU
How to Change the Ear Piece Volume
1. Select Ear volume from the SETTINGS menu. EAR VOLUME
You can set the level of the ringing signal in six steps. The first step means that two clicks will be heard when you receive a call. You can also turn the ringing signal off (0) or choose a ringing signal that rises in steps from the lowest to the highest level. Use the right and left arrows to decrease or increase the level. If you increase the level with the right arrow you will hear the phone ring. Note! Use the volume keys at the side of the phone to change the level silently if you do not wish to disturb other people. If you turn the ringing signal off, all audible signals will also be turned off. You will, however, be informed of an incoming call by the indicator light on the top of the phone and the display.
~ QQQQq You can use the right and left arrows or the volume keys at the side of the phone to adjust the volume. During a call you can use the volume keys at the side of the phone to adjust the volume. Note! You can have independent volume settings when you use the phone as a handheld unit and when you use it with any Ericsson handsfree equipment.
How to Change the Ring Type
1. Select Ring type from the SETTINGS menu. RING TYPE ~ Medium
You can choose manual or automatic keypad lock. In automatic mode the keypad is locked 25 seconds after the last key has been pressed. In manual mode you have to select the KEYLOCK menu to activate the lock. See Protecting Your SIM card and Phone, p. 23.

During an outgoing call the call time is shown in the display. The Last Call and Tot Calls functions in the INFO menu let you check the elapsed time of outgoing calls. With the Call info function you can choose to have the call time display for all calls, both incoming and outgoing. You can also have the call cost displayed, provided you subscribe to this feature.
How to Select Answering Mode
1. Select Answering mode from the SETTINGS menu. EN/LZT R1B
Instead of the greeting Welcome, you can have your phone display a welcome greeting that you have chosen yourself.
Enter the greeting text using the numeric keys. See the table in The Phones Menus, 11. The Greeting function also lets you turn the greeting text off.
How to Change the Name of Two Lines
See The Two Line Service, p. 47. SETTINGS ~Line 2 Tag (Line 1)
How to Display Your Phone Number
If your phone number cannot be retrieved from your SIM card, you can enter it yourself. 1. Select Phone no from the SETTINGS SETTINGS menu. ~ Phone no 2. Enter the number and press ( ) YES. If your SIM card allows it, you can also enter your fax and/or data number.
Note! This feature is only available if you subscribe to the 2 Line service.
How to Activate the Data Menus
1. Select Data menus from the SETTINGS menu. SETTINGS ~Data menus (Off)
How to Change the Display Language
1. Select Language from the SETTINGS SETTINGS menu. ~ Language 2. Scroll to the required display (English) language and press YES. If you select the Auto alternative the display language will be determined by your SIM card. Note! To reset to English you can enter the sequence *#0000# at any time.
This function lets you turn on two data menus, the Speech then FAX and Next call type menus. If you are going to use your phone with a Mobile Office Kit and PC these menus should be activated.

How to Reset the Phone

It is possible to reset all menu settings to their default values. 1. Select Master reset from the SETTINGS menu. SETTINGS Master ~ reset
To reset the phone, enter the same security code that is used to turn the phone lock on or off. See Protecting Your SIM Card and Phone, p. 24. The factory programmed security code is 0000. 22 EN/LZT R1B
Protecting Your SIM Card and Phone

The Card Lock

Your SIM card is protected by a card lock which is unlocked with a PIN code. The PIN code is obtained when you purchase your SIM card. Each time you turn on your phone, the PIN code has to be entered to unlock the card. If the PIN code is entered incorrectly three times in succession, the SIM card will be blocked. This is indicated by the message Card blocked Unblock?. Should this happen, see Problems You Can Solve, p. 55. How to Change the PIN Code 1. Select Change PIN code from the ACCESS menu. 2. Enter the old (current) PIN code and press YES. 3. Next, enter the new PIN code and press YES. 4. Finally, at the prompt Repeat new PIN, enter the new PIN for the second time. The message New PIN confirms that the PIN code has been changed. If the message WRONG PIN appears in the display and the phone returns to standby mode, your PIN code has not been changed. Your old PIN code was entered incorrectly. Repeat the procedure above. Note! If the message Matching error appears, the new PIN was entered incorrectly. How to Change the PIN2 Code Depending on the network you use, some services require that you enter a second PIN code, the PIN2 code. 1. Select Change PIN2 code from the ACCESS menu. Follow the same procedure as described in How to Change the PIN code. How to Unlock the SIM Card Note! This function only applies if your SIM card allows you to deactivate the card lock. 1. Select Unlock card from the ACCESS menu. 2. Press YES. 3. Enter your PIN code and press YES. The message Unlocked confirms that the card lock is now deactivated.

How to Lock the SIM Card 1. Select Lock card from the ACCESS menu. 2. Press YES. 3. Enter your PIN code and press YES. The message Locked confirms that the card lock is now activated.
followed by the prompt Enter lock code. The user then has to enter a security code and press YES to be able to use the phone. Autolock If the Autolock is activated, the message Phone locked and the prompt Enter lock code will not appear until a new SIM card is inserted into the phone. After the security code has been entered correctly, the phone can be used with the new SIM card. The user will not be asked to enter the security code until the original SIM card or a different SIM card is inserted. How to Change the Security Code 1. Select Phone lock from the ACCESS menu and follow the same procedure as when changing the PIN code. How to Lock/Unlock the Phone 1. Select Phone lock from the ACCESS menu. The current setting Full lock, Autolock or Unlocked is shown between brackets. 2. Select the required setting. 3. Enter the security code and press YES. PHONE LOCK is displayed together with the new setting.

The Phone Lock

The phone lock protects the phone against unauthorised use in the event of theft. It is not activated when you purchase the phone. You should, however, activate the phone lock as soon as possible and also change the factory-programmed security code of 0000 to any 3to 8-digit personalised code. Note! If you forget your security code, you need to contact your dealer to unlock your phone. For security reasons, this may take some time. There are two different types of phone locks Full lock and Autolock. Full Lock If the Full Lock is activated, the message Phone locked is displayed briefly, each time the phone is turned on. The message is

Call Barring

Note! This service may not be available on all networks or may require a separate subscription. The Call Barring service of the cellular network allows you to bar different types of outgoing and incoming calls to restrict the use of your phone. The following calls can be barred: All outgoing calls All outgoing international calls All outgoing international calls except to your home country All incoming calls All incoming calls when you are abroad (when roaming) To ensure that a call bar is not changed by someone else, a password, which comes with your subscription, is necessary in order to activate or cancel a call bar. How to Active Call Bars 1. Select Barring from the ACCESS menu. The first barring option is All outgoing calls. To chose another barring option use the right and left arrows to select another option. 2. Select the required option and press YES. 3. Select Activate, Get status or Cancel. Press YES. 4. Enter your password and press YES.

network is displayed with the message Current, Preferred, Available or Forbidden. Current means that the network in your display is the one currently used. Preferred means that the name of the network is included in a list of preferred networks on your SIM card. Available means that you are enabled to use the network. You may still be rejected. Forbidden means that you are not allowed to use the network. You can, however, make emergency calls.
displayed. If more than one network is within range, the name of the other networks can be displayed by pressing the right arrow. 2. When the network you wish to use is displayed, press YES to select it. How to Start an Automatic Network Search An automatic network search can be started at any time. Select New search form the NETWORKS menu.
If no network is within range, the message No network is
The Edit list function lets you review the networks in the list, add networks to the list, delete networks from the list and rearrange the order of the networks. How to Review the List of Networks Select Edit list from the NETWORKS menu. The message Please wait is displayed briefly. The name of the first network is displayed. If a network is within range a * is also displayed. Note! To see a networks full name, press *. You can scroll through the other networks in the list by using the right and left arrows. How to Add a Network to the List 1. Select Edit list from the NETWORKS menu. 2. Scroll to the first free position in the list. The question Add net? appears. If you scroll to a position that already is occupied, you must press YES and then scroll with the right and left arrows until Add net? appears. 3. Press YES and scroll with the right and left arrows until you find the required network. Note! If the the required network does not appear, press YES when the question Other? appears. Then enter the 3-digit country number and the 2-digit network number.

Forbidden Networks

The names of the forbidden networks are stored in a list on your SIM card. If such a network is within range, it will be omitted when the phone searches for a network (automatic search mode). If your home operator and an operator of a forbidden network come to an agreement that allows you to use the forbidden network, you can select this network even though the message Forbidden is displayed.

How to Send a Code Alt. 2 It is possible to store both a phone number and a code separated by a pause character in the phone book. 1. Recall the phone number and the code from the phone book. 2. Press YES to make the call. When the call is connected, the code is sent automatically after 3 seconds.

Who Is Calling?

The Calling Line Identification (CLI) service allows you to see the callers phone number in the display, giving you a chance to identify the caller. This service may not be available on all networks and may require a separate subscription. 3. At the prompt Erase all?, press YES. How to Erase All Numbers from Answered CallsMemory 1. Select Answered calls from the PHONE BOOK menu. 2. Press and hold down CLR. 3. At the prompt Erase all?, press YES.

Incoming Calls

When an incoming call is received, the callers phone number appears in the display. If the callers name and number is stored in the phone book, the name of the caller will be displayed too. 1. Press YES to answer the call or NO to reject it.

Unanswered Calls

The phone numbers of the last 10 unanswered or rejected calls are stored in the Missed Calls memory. How to Review Unanswered Calls 1. Select Missed calls from the MAIL menu. The previous callers number appears together with the time the call was received. If no information about a callers number was received, the number is replaced by the message Unidentified. If a caller wanted to withhold his or her number, the message reads Restricted. 2. To see the other unanswered calls, scroll with the right arrow. The day after a call has been received, the time of the call is replaced with the date. You can toggle between date and time by pressing *. 3. Press YES to call the number in the display.

Answered Calls

The phone numbers of the last answered calls are stored in the Answered Numbers memory. The number of calls are SIM card dependant. How to Review Answered Calls 1. Select Received calls from the PHONE BOOK menu. The previous callers number appears. 2. To see the other numbers, scroll with the right arrow. To call the number in the display, press YES. How to Erase All Numbers from Dialled Numbers Memory 1. Select Dialled numbers from the PHONE BOOK menu. 2. Press and hold down CLR.

Hiding Your Phone Number

Normally, your phone number will be sent when you make calls. If you do not wish your phone number to be sent on a particular call, the phone number can be hidden with the Hide Id function in the SPECIAL CHARACTERS menu. Note! This function is operator dependant. How to Hide Your Phone Number 1. Enter the phone number you wish to call. 2. Press the right arrow, followed by YES. The SPECIAL CHARACTERS menu appears. 3. Scroll to Hide Id with the right arrow. 4. Press YES to make the call. A special code is inserted in front of the phone number.
Showing Your Phone Number
If you subscribe to withhold your phone number when making calls, you can use the Send Id function in the SPECIAL CHARACTERS menu to send your phone number on a particular call. Note! This function is operator dependant. How to Show Your Phone Number 1. Enter the phone number you wish to call. 2. Press the right arrow, followed by YES. The SPECIAL CHARACTERS menu appears. 3. Scroll to Send Id with the right arrow. 4. Press YES to make the call. A special code is inserted in front of the phone number.
Handling More than One Call
The phone allows you to handle more than one call simultaneously. This means that you may hold a call in progress and make or answer a second call and then switch between the two calls. 2. Enter the number you wish to call, or recall it from the phone book, and press YES.
How to Activate the Call Waiting Service
To be able to receive a second call, you must activate the Call Waiting service. 1. Select Call Waiting from the ACCESS menu. 2. Press YES to activate. There may be a short delay before the network responds. In the meantime, the message Please wait is displayed. This is followed by the message Call waiting ON. How to Cancel Call Waiting 1. Select Call Waiting from the ACCESS menu. 2. Scroll to Cancel. 3. Press YES to cancel Call Waiting. The Get status option lets you check whether the service is activated or not.
How to Make a Second Call Alt. 2
1. Enter the number you wish to call while the first call is in progress. 2. Press YES to make the call. The message 1 on hold is displayed.

Receiving a Second Call

You will hear a tone in the ear piece and the message Call wait appears in the display if the Call Waiting function is activated. How to End Current Call and Accept Waiting Call 1. Press NO to end the current call. The question Answer? appears. 2. Press YES to answer the waiting call. How to Put Current Call on Hold 1. Press YES to put the current call on hold. The message 1 on hold appears. How to Reject Waiting Call Press 0 followed by YES to reject the waiting call and continue the current call.

For example, to release member number 1, press YES. How to End a Conference Call Press NO to end the conference call.

The Answering Service

The answering service of your network lets your callers leave a voice message when you cannot or do not wish to answer all calls. This service may not be available on all networks and may require a separate subscription. How to Call the Answering Service You can call the answering service at any time to listen to recorded messages. Select Voice mail from the MAIL menu. Follow the instructions given to you. Further information about the use of the answering service is found in the operating instructions supplied by your network operator. How to Change the Number to the Answering Service 1. Select Voice mail from the MAIL menu. 2. Scroll to New number and press YES. 3. Enter the new number and press YES. How to Turn off the Voice Mail 1. Select Voice mail from the MAIL menu. 2. Press YES to turn the Voice mail function off.

Voice Mail

The Voice mail function makes it easy to call your answering service to listen to recorded voice messages. Before you can use the Voice mail function it must be activated. How to Activate the Voice Mail 1. Select Set VoiceM from the MAIL menu. Note! If the number to your answering service can be retrieved from your SIM card, the number is displayed between brackets. (This also applies if you have entered the number yourself at an earlier occasion and then turned the Voice mail function off.) 2. Press YES to activate the Voice mail function. If no number is displayed between the brackets, press YES. 3. Enter the number. 4. Press YES to activate the Voice mail function.
Sending and Receiving Text Messages
The Short Message Service (SMS) allows you to send and receive text messages. A message may contain up to 160 characters. Text messages can be received when the phone is in standby mode, when you are engaged in a call or when incoming calls are diverted to another phone number. If the phone is turned off when somebody sends a message to you, a message will be displayed when you turn on the phone. Note! This function may not be available on all networks.

The SIM Card Memory

You can store important messages on your SIM card. This means that you can retrieve them regardless of which phone you are using.
How to Set the Phone for Text Messaging
If the phone number to your network service centre cannot be retrieved from your SIM card, you must specify the number yourself. Otherwise you cannot reply to received messages or send your own messages. 1. Select Send messages from the MAIL menu. 2. Press YES to select Options. 3. Enter the number of the service centre and press YES. 4. Press CLR to return to standby mode. Your phone is now ready to send and receive messages. Note! In some countries you are only able to send and receive messages within your operators network. How to Read a Message When you receive a message a signal sounds. The indicator light on top of the phone blinks rapidly green.

Barring password How to change Battery How to attach How to charge How to remove The low battery alarm 3 4
Calculator How to use Call How to end How to make a domestic call How to make an emergency call How to make an international call How to receive How to reject Put on hold Call activate How to cancel Call barring Call bars 38 24
How to activate How to cancel Call cost How to determine Call divert How to activate How to cancel Call divert status How to check How to check all Call diverts How to cancel all Call information How to set Call waiting How to activate CLI service Calling Line Identification Calls How to connect two How to switch between two Receiving a third Card lock Card memory When full Card Memory
Charger How to connect How to disconnect Clock How to set Conference call How to initiate Cost of last call How to check Credit limit for calls How to set
Data Data menus How to activate Date How to set Date format How to set Dialled numbers memory How to erase phone numbers Display Display language How to use as scratch pad Indicators
Time Display call units How to Display language How to change Display light How to change Divert calls DTMF Automatic How to send code during call How to use several pauses Pause function Pre-programmed signalling DTMF tones
How to cancel Fixed numbers How to store
Greeting text How to change 21
Key sound How to select Keylock How to select Keypad How to lock How to unlock Key functions Keypad lock 6 26
Ear piece volume How to change 19
Last dialled numbers How to recall Letter How to enter lower-case Letters How to enter Line How to select 12 47
First characters How to check Fixed dialling How to activate 50
Line1/Line2 How to answer a call Lines Different settings
Melody How to enter Menus How to navigate Message How to read How to repeat How to reply How to store Message signal How to change Message type How to change Messages How to send Messages memory Minute minder How to set 21
Automatic search mode Available Current Forbidden How to select search mode Manual search mode No network can be found Preferred Network How to select Network list How to add network How to erase network How to rearrange How to review Network search How to start automatic Networks List of Other Note system

Ericsson GH688

GSM
( 1997) Ericsson Mobile Communications AB, . Ericsson Mobile Communications AB , , , , /. . . Ericsson Mobile Communications AB, 1996. : EL/LZT R1B INNOVATRON PATENTS ii EL/LZT R1B
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. 23 . 24 . 25 . 26

. 8 . 8 . 8 . 9

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