Welltech Computer Co., Ltd.

Date: August/17/2002

http://www.welltech.com.tw

Main VoIP Products

- WellGate 3502/3502A/3504A FXS - WellGate 3802/3804/3806 FXO - LAN Phone 101 - WellGate 5200 T1/E1 Gateway - USB Phone - Media Server / Travel Phone - Call Manager (H323 Gatekeeper) - ITSP Solutions

What is FXS Gateway

WellGate FXS gateway 3504A/3502A/3502

IP-VPN

Ethernet

PBX trunk line

Extension In office

Office PBX

Local PSTN
Connect to analog phone directly Connect to office PBX trunk line directly to add IP call from existing PBX

What is FXO Gateway

WellGate FXO gateway 3806/3804/3802 IP-VPN Local PSTN Analog phone Or Mobile phone

PBX extension in office

Call to analog phone via local PSTN Connect to office PBX extension directly to add IP call from existing PBX
WellGate 3804 FXO Configuration
--- Peer to Peer Mode / Dial Up Application --ADSL Modem with Router Or Switch/Hub #1

IP-Network

Analog Phone or Mobile Phone #1 WellGate 3804 #1
IP: 192.168.4.27 E164: 91 (3804#1 IP number) IP: 192.168.4.28 E164: 886 (3804#2 IP number)

WellGate 3804 #2

Analog Phone or Mobile Phone #2
PSTN #1 Or PBX WellGate 3804 #1 configuration : 1. TELNET to 3804 via Console port or ethernet 2. Login: root Password: (press enter) Now you have entered command line and give the following commands. 3. Flash clean (to clear all setting and start from beginning) 4. Ifaddr ip 192.168.4.27 gate 182.168.1.254 mask 255.255.0.0 (configure 3804#1 IP address) 5. H323 mode 1 (set to peer to peer mode) 6. Pbook add name hank ip 192.168.4.28 e7. tone -busy0 (PSTN#1 disconnect tone is 400hz, 0.5sec on/off) ** Refer to chapter 4 of manual to configure disconnect tone ** 8. Commit 9. Reboot 10. Do the same configuration procedures to 3804 #2 (for example: pbook add name test ip 192.168.4.27 e164 91)

PSTN #2 Or PBX

Call Procedures: 1. Phone 1 call to Line#1 via PSTN#1 number at 3804#1 2. 3804#1 receive call automatically And play voice announcement to ask entering extension number. 3. Dial 886# to hear dial tone from Line #1 of 3804#2 at PSTN#2 4. Continue to dial Phone #2 number at PSTN #2
--- HOT Line Application --ADSL Modem with Router Or Switch/Hub #1
IP: 192.168.4.27 IP: 192.168.4.28
Analog Phone or Mobile Phone #2 Number: 886
PSTN #1 Or PBX WellGate 3804 #1 configuration : 1. TELNET to 3804 via Console port or ethernet 2. When you have entered command line and give the following commands. 3. Flash clean (to clear all setting and start from beginning) 4. ifaddr ip 192.168.4.27 gate 182.168.1.254 mask 255.255.0.0 (configure 3804#1 IP address) 5. h323 mode 1 (set to peer to peer mode) 6. sysconf service 2 (set to Hot Line mode) 7. sysconf -2nddial 0 (2nd dial off) 8. bureau table 1 192.168.4.(set Line#1 of 3804#1 incoming call to 3804#2 at PSTN#2 number 886 to be dialed automatically) ** bureau table 2 x.x.x.x abc (set Line#2 connect to phone #abc at IP:x.x.x.x)*** 9. tone -busy0 (i.e. PSTN#1 disconnect tone is 400hz, 0.5sec on/off) ** Refer to chapter 4 of manual to configure disconnect tone ** 10. Do the same configuration procedures to 3804 #2
Call Procedures: 1. Phone 1 call to Line#1 via PSTN#1 number at 3804#1 2. 3804#1 detect ring and call to 3804#2 automatically 3. 3804#2 Dial 886 to Phone #2 at PSTN#2 4. When phone#2 answer call, 3804#1 answer income ring and establish Connection between Phone#1 and Phone #2.
--- Line to Line Application --ADSL Modem with Router Or Switch/Hub #1

PSTN #1 Or PBX

WellGate 3804 #1 configuration : 3. flash clean (to clear all setting and start from beginning) Call Procedures: 4. ifaddr ip 192.168.4.27 gate 182.168.1.254 mask 255.255.0.0 1. Phone 1 call to Line#1 via PSTN#1 (configure 3804#1 IP address) number at 3804#1 5. h323 mode 1 (set to peer to peer mode) 6. sysconf service 2 (set to Line to Line mode) 2. 3804#1 detect ring and call to 3804#2 7. sysconf -2nddial 1 (2nd dial ON) and seizure Line#1 from PSTN#2 automatically 8. bureau table 1 192.168.4.(set Line#1 of 3804#1 incoming connect to Line#1 3. Phone #1 from PSTN#1 hear dial tone of 3804#2 at PSTN#2) from PSTN#2 ** bureau table 2 x.x.x.x 2 (set Line#2 of 3804#1 connect to line#2 4. Phone #1 dial the destination number at of 3804#2 at IP:x.x.x.x)**, You can also connect to different 3802/3804. 9. tone -busy0 (i.e. PSTN#1 disconnect tone is 400hz, 0.5sec on/off) Phone #2 PSTN#2 ** Refer to chapter 4 of manual to configure disconnect tone ** 5. Line#2 of 3804#1 connect to line#2 of 3804#2. 10. Do the same configuration procedures to 3804 #2 6. Same procedures to line#3 and #4.

FXO to FXS direct mapping to replace Digital PairGain/DLC or WLL application
-- Line to Line Application -WellGate FXS gateway 3504A/3502A/3502
WellGate FXO gateway 3806/3804/3802

192.168.4.28

350211

192.168.4.27 Tel 2

L1: 350211 L2: 350212 L3: 350221 L4: 350222

350212

192.168.4.26

350221 350222

WLAN Access Point FXO configuration:(ip is 192.168.4.28) Bureau table 1 192.168.4.Sysconf service 2 (Line to Line mode FXO) H323 mode 1 (peer to peer mode) Sysconf 2nddial 1 (2nd dial ON, FXS hear dial tone from PSTN before dialing) ** Configure disconnect tone from tone table **

WLAN Remote Unit

FXS configuration:(ip is 192.168.4.27 and 192.168.4.26) bureau hotline 1 192.168.4.(Tel #1 map to FXO LINE#1) bureau hotline 2 192.168.4.(Tel #2 map to FXO LINE#2) h323 -line-line(configure two tel number) sysconf service 2 (Line to Line mode FXS) sysconf -bf 0 (disable busy forward function) h323 mode 1 (peer to peer mode)
FXO to FXS direct mapping
-- HOT Line Application -WellGate FXO gateway 3806/3804/3802
Hot Line function: 1. Pick up telephone from FXS side and dial to PSTN number from FXO side (pre-configured PSTN number) automatically 2. An incoming ring to FXO will ring to your desired telephone line number at FXS automatically
FXO configuration: (ip is 192.168.4.28) bureau table 1 192.168.4.h323 mode 1 (peer to peer mode) sysconf service 2 (Hot Line mode FXO) sysconf 2nddial 0 (2nd dial OFF, FXS dial PSTN number automatically) ** Configure disconnect tone from tone table **
FXS configuration: (ip is 192.168.4.27 and 192.168.4.26) bureau hotline 1 192.168.4.(Pick-upTel #1, 3804 call to number 350211 from PSTN automatically) bureau hotline 2 192.168.4.(Pick-upTel #2, 3804 call to number 350222 from PSTN automatically) sysconf service 2 (HOT Line mode FXS) sysconf -bf 0 (disable busy forward function) h323 -line-line(configure two tel number) h323 mode 1 (peer to peer mode)
FXS to FXS direct mapping
-- HOT Line Application -WellGate 3504A 192.168.4.28 Office PBX
PBX trunk line tel#1:601, tel#2:602 tel#3:603, tel#4:604

WG3502 #1 192.168.4.27

Tel #1 Tel #2

WG3502 #2 192.168.4.26

Tel #1

350221

Hot Line function: Tel #Pick up telephone from 3502 FXS side and ring to pre-configured telephone Number at other 3504A FXS side automatically
WG3504A configuration: (ip is 192.168.4.28) bureau hotline 1 192.168.4.(Pick-upTel #1, number 350211 tel#1 at 3502#1 will ring automatically) bureau hotline 2 192.168.4.(Pick-upTel #2, number 350212 tel#2 at 3502#1 will ring automatically) bureau hotline 3 192.168.4.(Pick-upTel #1, number 350221 tel#1 at 3502#2 will ring automatically) bureau hotline 4 192.168.4.(Pick-upTel #2, number 350222 tel#2 at 3502#2 will ring automatically) sysconf service 2 (HOT Line mode FXS) sysconf -bf 0 (disable busy forward function) h323 -line-linelineline(configure 3504A four line numbers) h323 mode 1 (peer to peer mode) WG3502 configuration: (ip is 192.168.4.27 and 192.168.4.26) bureau hotline 1 192.168.4.(Pick-upTel #1, number 601 tel#1 at 3504A will ring automatically) bureau hotline 2 192.168.4.(Pick-upTel #2, number 602 tel#2 at 3504A will ring automatically) sysconf service 2 (HOT Line mode FXS) sysconf -bf 0 (disable busy forward function) h323 -line-line(configure 3502 two line numbers) h323 mode 1 (peer to peer mode) ** same procedure to configure the second 3502 **

PBX with Remote VoIP Extension
-- Remote IP-PBX Application -WellGate FXO gateway

IP-Network-A

Tel #1 WG3502 #1 Tel #2
Or Wireless Network Trunk line WellGate FXO gateway

IP-Network-B

WG3504A #2 Tel #3

PBX Extension line

Tel #4
Office PBX (or PSTN) Remote extension Application: FXO/FXS gateway can be Line to Line mode, Hot Line mode, GK mode and Peer to peer mode Extend local extension via VoIP network to Remote telephone set FXS and FXO in connection status, Press Flash key from Telephone set to activate PBX advanced supplementary service function as follows. VoIP with PBXs function such as: Conference call, Hold, Transfer, Forwarding, Voice Mail, Billing and Call Center application from PBX. Application: Headquarter with remote Branch office communication, Telecom Local Loop concentration, Conference, Transfer, Billing, Voice Mail, Bridge between two different IP Network.
Talk to CISCO IP Phone and Gateway
-- Default Gateway function in P2P Mode -LAN Phone 101 CISCO IP-PBX
CISCO Call Manager IP: 192.168.4.25 IP-Network
CISCO 79xx IP Phone Number : 666 CISCO ATA186 2-port Gateway IP: 211.10.2.1

WellGate 35xx Gateway

Dial 666 will ring to CISCO IP Phone.
h323 -dfgw 192.168.4.25 (CISCO Call Manager IP) h323 mode 1 (peer to peer mode) Dial xxx to connect to CISCO ATA 186 telephone h323 -dfgw 211.10.2.1 (CISCO ATA186 2-port Gateway IP) h323 mode 1 (peer to peer mode) Dial 1234 will call to PSTN number at CISCO AS 53xx h323 -dfgw 211.10.2.3 (CISCO AS53xx Gateway IP) h323 mode 1 (peer to peer mode)
CISCO AS 53xx Gateway IP: 211.10.2.3

WellGate 5200 Gateway

PSTN Number 1234
The default gateway function is similar to the default gateway from MicroSoft Netmeeting. If you dial a telephone number which is not matched in the phone book, the 3502 gateway will send this telephone number together with the IP address defined by this Default Gateway command.

FXO Drop/Insert/Filter Application

LAN Phone 101

Remote PSTN Area code Analog phone 02 (02)8226-5699

Or Mobile phone 127

Drule regulation: When you dial a number from IP Network to remote PSTN, and you need To change dial digit rule in order to meet local PSTN dial rule. incoming IP-Network call to PSTN side via FXO gateway outgoing PSTN call to IP-Network side via FXO gateway Incoming call dial digit rule priority: 1-drop, 2-insert, 3-filter (1 is the highest priority) Outoing call dial digit rule priority: 1-filter, 2-insert, 3-drop For example (incoming call): You dial 82265699 and you want just 82265699 to be dialed. FXO configuration as follows.
sysconf -2nddial 0 (2nd dial off)
sysconf drule in_drop 886 in_insert 0 in_filter 02 sysconf drule in_drop 886 in_insert 0 in_filter 02 (you call 201127, FXO will dial 127) The outgoing call command as follows. sysconf drule out_filter 1 out_insert 0 out_drop 0306 (you dial 123-4567 to FXO, and FXO will send 123-4567 to IP-Network)
Behind IP Sharing device Static IP
ADSL Modem/Router, or IP Sharing device Private IP address: IP: 192.168.4.25 Subnet Mask: 255.255.0.0 Gateway : 192.168.1.254
x.x.x.x is Public and Static WAN IP address VoIP device: for example LAN Phone, or FXO/FXS gateway

Remote VoIP device

Only one VoIP device install behind IP Sharing device VoIP device works both Peer to Peer mode and Gatekeeper mode Turn ON DMZ function at IP Sharing device Enter private IP address to VoIP device by ifaddr ip/gate/mask command Enable IP sharing function by ifaddr ipsharing 1 x.x.x.x command Remote VoIP device can be static IP or behind IP Sharing device
Behind IP Sharing device Dynamic IP
ADSL Modem/Router, or IP Sharing device Welltech Call Manager (H323 gatekeeper) with Public and static IP address Private IP address: IP: 192.168.4.25 Subnet Mask: 255.255.0.0 Gateway : 192.168.1.254
x.x.x.x is Dynamic WAN IP address VoIP device: for example LAN Phone, or FXO/FXS gateway
Only one VoIP device install behind IP Sharing device VoIP device works Gatekeeper mode and Welltech Call Manager Only Turn ON DMZ function at IP Sharing device Enter private IP address to VoIP device by ifaddr ip/gate/mask command Enable IP sharing function by ifaddr ipsharing 1 command Remote VoIP device can be static IP or behind IP Sharing device

VoIP Call Center Solutions-1
ACD server (automatic Call Distribution)

1 x E1

4 x E1(ISDN/PRI)

Agent/Operator

WellGate 5200-4
WellGate 3804 #64 WellGate 3804 #2

WellGate 3804 #1

PSTN City 1

PSTN City 2

PSTN City 64

Customers

VoIP Call Center Solutions - 2
Components List: 1. WellGate 3804 FXO gateway x 64 units 2. WellGate 5200-4 one unit (4-E1 gateway) 3. ACD server x 1 (if PBX do not have ACD function) Call Procedures: 1. Customer call an local service number to WG3804 2. WG3804 transfer to 5200-4 and route to agent via ACD 3. When agent answer the call, WG3804 establish connection
Next Generation Communication Solution
Build-in H.323 Proxy - Support two NIC card with two different IP domains for example ; Private and Public - Avoid tracing of your existing IP Handle dynamic IP from endpoint (behind dynamic IP sharing device) Provide Voice Mail Services (VMS) to all endpoints RADIUS compliant client interface for pre-paid and post-paid billing Message Waiting Indication (for LAN Phone in VMS application) Unlimited number of Call Manager to Call Manager inter-work Account Code / FAC Code (enter password before dialing) LRQ transparent Redundant Protection Call restriction and call transfer function

PC to PC Calls

( TravelPhone and Media Server ) Media Server Billing Server Call Manager
RADIUS Compliant Pre-Paid Billing
Media Server Handle calls from TravelPhone Do not need Call Manager when PC to PC call only

Behind 56K Dial Up Modem

Behind Private LAN NAT/Firewall

PC Based TravelPhone

PC to Phone and Phone to PC ( TravelPhone/Media Server and Call Manager )
Pre-paid or Post-paid Billing

Billing Server

Media Server

Call Manager

Media Server Handle calls from TravelPhone Media Server interface with Call Manager to route calls
VoIP device: for example LAN Phone, or FXO/FXS gateway

USB Phone Application

PIN CODE for Authentication ) Billing Server
IP-Network PC access to internet by - 56K Modem dial up - ADSL/Cable/Leased line Modem Travel Phone read PIN CODE from USB Phone Send back to Media Sever for Authentication during registration to Media Server RADIUS Server check PIN CODE and password for Authentication and Authorization to give Accounting seconds.
Install USB Phone driver to PC first Activate PC software, for example: NetMeeting, MSN Messanger, MediaRing, Innomedia Or, Welltech TravelPhone can work behind Private LAN and Firewall Media Server are handled all calls from TravelPhone
WellGate 3502 FXS Comparison with competitor
WellGate channels G.729A simultaneously T.38 FAX at G.723/G.729 Behind NAT IP sharing device Support both SIP and H323 Voice Quality (customer opinion) Echo Cancellation Length IP address configure by RS-232 console FXO to FXS Line to Line direct mapping FXS to FXS Hot Line function Compatible with CISCO VoIP product Alternative Gatekeeper Selection Type Of Service (TOS) priority Configurable Call Progress tone and ring Yes Yes Yes Yes Good 25 ms Yes Yes Yes Yes Yes Yes Yes No No No Cxxxx 2-port FXS gateway No (G.711 + G.729A only) Only G.711 No Yes Poor 8 ms Voice Prompt (Language problem) No No
WellGate 5200 T1/E1 Gateway Comparison with competitor
WellGate 5200 T1/E1 programmable Dynamic GUI IVR edit flow Count calling seconds with Accounting Yes Yes Yes Cxxxx AS53xx Order with T1 or E1 Model No No

ITSP VoIP Soltions

An IP-based telephony solution for medium-to-large enterprises and services platform.

WellGate

GATEWAY

3802A/3804A (FXO)

WellGate 3802A/3804A is a two/four-FXO-port Gateway, which represents an interface to access PSTN and provides voice and fax over IP services. By connecting with ADSL or cable Modem, WellGate 3802A/3804A provides saving in network infrastructure and greatly reduced telephone charges. With H.323 v2/v3/v4 or SIP protocol, Welltech create ideal solution for providing low cost communications between headquarters and branch offices in the world, as well as for SOHO and office telephony applications.

Benefits

Easy access to PSTN from IP Cost saving - save long and international call expense by using IP network. No extra investment - just take advantage of existing Ethernet LAN and IP environment. Easy interface with Cable Modem, ADSL Modem and Leased Line equipment Easy to integrate with all kinds of IP-PBXs

Specification

H.323 Version SIP version
Protocol Compatible Server

Telephony Features

ITU-T H.323 v2/v3/v4 compliance GnuGK(Behind NAT) Call Hold, Call Transfer, Call Forward (H.450)
SIP RFC3261 OpenSER Asterisk Call Hold Call Transfer Call Forward Provide T.38/FAX and voice Auto-Switching

FAX Support

Provide T.38/FAX and voice Auto-Switching
Audio Codec Support Network Interface
G.711A/-law, G.723.1, G.729A, G.729 G.729B, G.729AB
Two 10/100Base-T Ethernet RJ-45 port Two Analog PSTN (FXO) RJ-11 port for WellGate 3802A

FXO Interface

Four Analog PSTN (FXO) RJ-11 port for WellGate 3804A
VAD (Voice Activity Detection) CNG (Comfort Noise Generation) G.168/165-compliant adaptive echo cancellation
Dynamic Jitter Buffer Bad Frame Interpolation Completed voice band signaling support Receive Caller ID (DTMF or FSK) from PSTN

Voice Quality

PSTN Current Loop Break(CPC)detection to release FXO port
Provide Inband or Outband DTMF generation/detection between LAN and PSTN interface
Gain/Attenuation Settings QOS by setting DSCP (Differentiated Service Code Point) parameters of VoIP packet

Caller ID Console

Caller ID (FSK) detection Asynchronous Console RS-232C DB-9 connector
DTMF detection/generation DTMF Dialing Support auto-attendant (tone or voice greeting)
Provide 2nd dial tone to PSTN Fixed IP and DHCP PPPoE Behind NAT Router or IP sharing device Console port, TELNET
Network Support Configuration & Management Upgrade Power Certification Operation Temp Humidity Dimension and Weight

and Web Browser

Firmware upgrade through network by TFTP/FTP
Input AC 100V~240V Output DC12V

For WellGate 3802/3804A

CE Class B, LVD 5 C to 40 C 10% to 90% (Non-condensing) Dimension: 223mm(W) x 35mm(H) x 152mm(D)

Weight (unit): 1.4 kg

Analog Phone
Netmeeting or H.323 Endpoint equipment

LAN Phone

Gatekeeper or Call Manager

IP Nework Router

PSTN WellGate 3802A/3804A FXO

ETHERNET

ADSL Modem IP Phone or Gateway