1. Welltech Computer Co., Ltd.
VoIP Application
Welltech Computer Co., Ltd.
Date: September/04/2003

2. Main VoIP Products - WellGate 3502/3502A/3504A FXS
WellGate 3802/3804/3806 FXO
WellGate 3701A/3702A FXS+FXO
WellGate 1501 one port FXS gateway plus 4-port Switch-Hub
LAN Phone 101/201
WellGate 5200 T1/E1 Gateway
K-1000 USB Phone
FreeTalk / SoftPhone (PC to PC and PC to Phone )
- Call Manager (H323 Gatekeeper)
- ITSP Solutions

3. LAN Phone 101 Features Support ITU-T H.323 V2/V3/V4
Support H.235 Security Token
Support Welltech “Management Center” function
PPPoE
Behind IP Sharing device (Private IP)
Password protection on LCD panel configuration
Provide H.450 services (Hold, Transfer, Forward)
Support ten E.164 (telephone) number
2 x 24 dot-matrix LCD display with password Lock
Two 10/100BaseT Ethernet port with Switch/Hub inside
One RJ-11 PSTN analog line interface
Automatically Alternative Gatekeeper Discovery
Provide Peer-to-Peer Mode (Non Gatekeeper needed)
Support DNS server inquiry and DDNS function

4. WellGate 3502/3502A/3504 FXS gateway
Support both ITU-T H.323 V2/V3V4 and SIP RFC 3261protocol
Support H.235 Security Token
Configure by Web Browser, Telnet and Console port
Support Welltech “Management Center” function
Provide H.450 services (Hold, Transfer, Forward)
Transparency PBX “Flash” function
Automatically Alternative Gatekeeper Discovery
PPPoE
Support DNS server inquiry
FSK Caller ID
Behind IP Sharing device (Private IP)
Two 10/100BaseT Ethernet port with Switch/Hub inside
Provide Peer-to-Peer Mode (Non Gatekeeper needed)

5. WellGate 3802/3804/3806 FXO gateway
Support both ITU-T H.323 V2/V3V4 and SIP RFC3261 protocol
Support DNS server inquiry
Built-in Simple Gatekeeper function (10 endpoints)
Configure by Web Browser, Telnet and Console port
Support Welltech “Management Center” function
Provide H.450 services (Hold, Transfer and Forward)
Hot Line function in both P2P and GK mode
Transparency PBX “Flash” function
Users recorded Voice greeting inside
Flexible dial plan and dial number replacement
Automatically Alternative Gatekeeper Discovery
PPPoE
Support T.38/FAX transmission
Behind IP Sharing device (Private IP)
Provide Peer-to-Peer Mode (Non Gatekeeper needed)

6. Welltech Management Center
Support Mass-upgrade and Mass-configuration
Manage all Welltech endpoints H323 and SIP products,
LAN Phone and FXO/FXS gateway
TFTP server built-in
All endpoints to ask for firmware upgrade
Endpoints can be behind NAT IP Sharing device
PC based Windows 2000 platform

7. What is FXS Gateway Termination an IP call to Analog Phone
WellGate FXS gateway
3504A/3502A/3502
IP-VPN
Tel 1
Tel 2
Ethernet
Extension
In office
PBX
trunk line
Local
PSTN
Office PBX
Termination an IP call to Analog Phone
Connect to analog phone directly
Connect to office PBX trunk line directly
to add IP call from existing PBX

8. What is FXO Gateway
Local
PSTN
WellGate FXO gateway
3806/3804/3802
IP-VPN
Analog phone
Or Mobile phone
Ethernet
PBX trunk line
PBX extension in office
Office PBX
Extension
In office
Transfer an IP call to Remote analog phone or Mobile phone
Call to analog phone via local PSTN
Connect to office PBX extension directly to add IP call
from existing PBX

9. WellGate 37xxA Local FXO incoming to Local FXS_Phone , No Answer and Forward to Local PSTN --- Peer to Peer Mode Application ---
IP Network
WellGate 3702A
FXO #1, E164= 1002
PSTN #
Phone A
Local
PSTN
Phone B
Local
PSTN
FXO#2
E164= 1004
FXS#1
E164= 1001
Phone C
Call Procedures:
1. Phone A call to Phone C at FXS#1.
No answer after 5 seconds ring, the call
transfer to local PSTN number at
at FXO#2.
2. FXO#2 make a call to Phone B at
PSTN automatically.
3. When Phone B answer call, Phone A talk
to Phone B.
WellGate 3702A configuration :
1. h323 –mode 1 ( peer to peer mode)
2. h323 –line –line –line –line4 1004
( set e164 line number)
3. Sysconf –forwardtime 5 (Forwarding after 5 seconds ring)
4. line –config 1 forward 1004
(FXS#1 forward to FXO#2 dial number )
5. line –config 4 hotline
(Set FXO#2 dial number )

10. WellGate 37xxA Local FXO incoming to Local FXS_Phone , No Answer and Forward to IP Network --- Peer to Peer Mode Application ---
IP Network
FXO #1, E164= 1002
PSTN #
Phone A
WellGate 3702A
Local
PSTN
FXS#1
E164= 1001
Phone C
Call Procedures:
1. Phone A call to Phone C at FXS#1.
No answer after 5 seconds ring, the call
transfer to IP network remote gateway
(IP ) at number
WellGate 3702A configuration :
1. h323 –mode 1 ( peer to peer mode)
2. h323 –line –line –line –line4 1004
( set e164 line number)
3. Sysconf –forwardtime 5 (Forwarding after 5 seconds ring)
4. line –config 1 forward
(FXS#1 forward to remote gateway dial number )
5. Route –add prefix 0 dst 2
6. Pbook –add name test ip e164 0
If this is an gatekeeper mode, and forward to remote e164=2002. Change item 4-6 as follows.
4. line –config 1 forward (FXS#1 forward to remote gateway number 2002 )
5. Route –add prefix 2 dst 2

11. WellGate 37xxA Local FXS call to Local PSTN or Remote IP Automatically --- Peer to Peer Mode Application ---
Remote WellGate 3702A
Or other FXO/Trunk gateway
Local WellGate 37xx
FXO #1,
E164= 1002
IP Network
Local
PSTN
Remote
PSTN
Phone C
IP:
IP:
FXS#1,
E164= 1001
Phone B
Or 911
Remote
PSTN
Phone D
Phone A
IP:
Local WellGate 37xxA configuration :
1. h323 –mode 1 ( peer to peer mode)
2. h323 –line –line –line –line4 1004
(default setting e164 number)
3. pbook –add name remote ip e drop 1
4. pbook –add name remote ip e164 0
5. route –add prefix 8 dst 1 e hunt 2
6. route –add prefix 9 dst 1 e hunt 2 min 1 max 3
7. route –add prefix 1 dst 2
Call Procedures:
1. Local FXS#1 from Phone A dial number at
This number
will be sent to remote gateway at IP:
automatically.
2. Local FXS#1 from Phone A dial number at
or 911. This number , or 911
will be dialed from local gateway FXO#1 or #2
at IP: to local PSTN automatically.
3. Local FXS#1 from Phone A dial number at
This number
will be sent to remote gateway at IP:

12. WellGate 37xxA Local FXS to Local/Remote FXO Forwarding depends on prefix code --- Peer to Peer Mode Application ---
Local WellGate 37xx
Remote WellGate 3702A
Or other FXO/Trunk gateway
Phone B
FXO #1,
E164= 1002
IP Network
Local
PSTN
Remote
PSTN
Phone C
IP:
IP:
FXS#1, E164= 1001
Phone A
Local WellGate 37xxA configuration :
1. h323 –mode 1 ( peer to peer mode)
2. h323 –line –line –line –line4 1004
(default setting e164 number)
3. pbook –add name remote ip e drop 1
4. pbook –add name local ip e drop 1
5. route –add prefix 1416 dst 2
6. route –add prefix 1905 dst 1 e hunt 2
Call Procedures:
1. Local FXS#1 from Phone A dial number at
This number
will be sent to remote gateway at IP:
automatically.
2. Local FXS#1 from Phone A dial number at
This number
will be dialed from local gateway FXO#1 or #2
at IP: to local PSTN automatically.

13. WellGate 3702A Local FXO to Local FXO Forwarding --- Peer to Peer Mode Application ---
IP Network
WellGate 3702A
FXO #1, E164= 1002
PSTN #
Phone A
Local
PSTN
Phone B
333666
Local
PSTN
FXO#2
E164= 1004
WellGate 3702A configuration :
1. h323 –mode 1 ( peer to peer mode)
2. h323 –line –line –line –line4 2004
( set e164 line number)
3. line –config 4 hotline (Set FXO#2 dial number )
4. line –config 2 hotline (Set FXO#1 dial number )
5. Route –add prefix 3 dst 1 hunt 2
(any number prefix code “3” dial to PSTN by using free FXO port at #1 or #2)
Or use this command with dial length restriction from 6 to 16 digit length
route –add prefix 3 dst 1 min 6 max 16 hunt 2
Or use this command to select FXO#2 to dial out only without digit length restriction.
route –add prefix 3 dst 1 e hunt 2
Call Procedures:
1. Phone A call to FXO#1 at PSTN#222555
2. FXO#2 make a call to Phone B at
PSTN automatically.
3. When Phone B answer call, Phone A talk
to Phone B.

14. WellGate 37xx Local FXO to Remote FXO Forwarding --- Peer to Peer Mode Application ---
IP=
Local
WellGate 37xx
Phone A
IP Network
Local
PSTN
Remote
PSTN
Phone B
333666
FXO#1
E164= 2002
FXO #1, E164= 1002
PSTN #
Remote WG37xx configuration :
1. h323 –mode 1 ( peer to peer mode)
2. h323 –line –line –line –line ( set e164 line number)
3. line –config 4 hotline (Set FXO#2 dial number if needed)
4. line –config 2 hotline (Set FXO#1 dial number )
5. Route –add prefix 3 dst 1 hunt 2
(any number prefix code “3” dial to PSTN by using free FXO port at #1 or #2)
Or use this command with dial length restriction from 6 to 16 digit length
route –add prefix 3 dst 1 min 6 max 16 hunt 2
Or use this command to select FXO#2 to dial out only without digit length restriction.
route –add prefix 3 dst 1 e hunt 2
Local WG37xx configuration :
1. h323 –mode 1 (peer to peer mode)
2. h323 –line –line –line –line ( set e164 line number)
3. pbook -add name test ip e (set remote FXO# to pbook)
4. route –fxo dst 2 (An FXO incoming call dial to IP side, default setting )
5. line –config 2 hotline (dial from FXO#1 incoming call to IP side e )
6. line –config 4 hotline (dial from FXO#2 incoming call to IP side e )
Call Procedures:
1. Phone A call to FXO#1/Local WG37xx
at PSTN#222555
2. FXO#1/Local WG37xx make a call to
IP/e164 #2002 at remote Phone B
PSTN # automatically.
3. When Phone B answer call, Phone A talk
to Phone B.

15. WellGate 3804 FXO Configuration --- Peer to Peer Mode Application ---
ADSL Modem with Router
Or Switch/Hub #1
IP-Network
Analog Phone or
Mobile Phone #1
Analog Phone or
Mobile Phone #2
WellGate 3804 #2
WellGate 3804 #1
IP:
E164: 91 (3804#1 IP number)
IP:
E164: 886 (3804#2 IP number)
PSTN #1
Or PBX
PSTN #2
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 –gate –mask
(configure 3804#1 IP address)
5. H323 –mode 1 (set to peer to peer mode)
6. Pbook –add name hank ip e
7. tone -busy (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 e164 91)
Call Procedures:
1. Phone 1 call to Line#1 via PSTN#1
number at 3804#1
#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

16. WellGate 38xx FXO Hot Line (Forwarding) Application --- Peer to Peer mode ---
ADSL Modem with Router
Or Switch/Hub #1
IP-Network
Analog Phone or
Mobile Phone #1
Analog Phone or
Mobile Phone #2
Number: 886
WellGate 3804 #2
WellGate 3804 #1
IP:
IP:
PSTN #1
Or PBX
PSTN #2
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 –gate –mask
(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 (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 -busy (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
#1 detect ring and call to 3804#2
automatically
#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.

17. WellGate 38xx FXO Hot Line (Forwarding) Application --- Gatekeeper mode ---
ADSL Modem with Router
Or Switch/Hub #1
IP-Network
Analog Phone or
Mobile Phone #1
Analog Phone or
Mobile Phone #2
Number: 886
WellGate 3804 #1
WellGate 3804 #2
Gatekeeper
IP:
IP:
PSTN #1
Or PBX
PSTN #2
Or PBX
WellGate 3804 #1 configuration :
1. flash –clean (to clear all setting and start from beginning)
2. set to Gatekeeper mode and e164 number
3. sysconf –service 1
4. sysconf -2nddial 0 (2nd dial off)
5. bureau –table 1 x.x.x.x (set Line#1 of 3804#1 incoming call to
3804#2 at PSTN#2 number 9886 to be dialed automatically)
** bureau –table 2 x.x.x.x abc (Line#2-#4 connect to individual
phone number at PSTN#2)**
6. ** Refer to chapter 4 of manual to configure disconnect tone **
Configure #2 WellGate 3804 :
1. Sysconf -service 0
2. H323 –mode 0 (GK mode)
3. Configure E164=9
4. 2nddial = OFF
5. Set incoming drop digit = 9 (command "sysconf -drule in_drop 9")
Call Procedures:
1. Phone 1 call to Line#1 via PSTN#1
number at 3804#1
#1 detect Line#1 ring and call to
3804#2 at “9886” automatically
#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.
5. Each line at 3804#1 has each individual IP
number to be dialed to remote side.
6. Remote side can be any device
i.e IP Phone or FXS gateway.

18. WellGate 38xx FXO Line to Line Application --- Peer to Peer Mode ---
ADSL Modem with Router
Or Switch/Hub #1
IP-Network
Analog Phone or
Mobile Phone #1
Analog Phone or
Mobile Phone #2
WellGate 3804 #2
WellGate 3804 #1
IP:
IP:
PSTN #1
Or PBX
PSTN #2
Or PBX
WellGate 3804 #1 configuration :
1. flash –clean (to clear all setting and start from beginning)
2. ifaddr –ip –gate –mask
(configure 3804#1 IP address)
3. h323 –mode 1 (set to peer to peer mode)
4. sysconf –service 2 (set to Line to Line mode)
5. sysconf -2nddial 1 (2nd dial ON)
6. bureau –table (set Line#1 of 3804#1 incoming connect to Line#1
of 3804#2 at PSTN#2)
** bureau –table 2 x.x.x.x 2 (set Line#2 of 3804#1 connect to line#2
of 3804#2 at IP:x.x.x.x)**, You can also connect to different 3802/3804.
7. tone -busy (i.e. PSTN#1 disconnect tone is 400hz, 0.5sec on/off)
** Refer to chapter 4 of manual to configure disconnect tone **
8. Do the same configuration procedures to 3804 #2
Call Procedures:
1. Phone 1 call to Line#1 via PSTN#1
number at 3804#1
#1 detect ring and call to 3804#2
and seizure Line#1 from PSTN#2 automatically
3. Phone #1 from PSTN#1 hear dial tone
from PSTN#2
4. Phone #1 dial the destination number at
Phone #2 PSTN#2
5. Line#2 of 3804#1 connect to line#2 of 3804#2.
6. Same procedures to line#3 and #4.

19. FXO to FXS direct mapping (Telephone extension via IP network) -- Line to Line (Peer to Peer mode) Application --
WellGate FXS gateway
3504A/3502A/3502
WellGate FXO gateway
3806/3804/3802
350211
IP-VPN
Tel #1
PSTN Or
Office
PBX
Tel #2
350212
E164 of line
L1: 11
L2: 12
L3: 13
L4: 14
Ethernet
Tel #3
350213
350214
Tel #4
WLAN/VSAT
Access Point
WLAN/VSAT
Remote Unit Or
FXO configuration:(ip is )
Bureau –table
( repeat four table configuration )
sysconf –ring 2
sysconf –service 2
sysconf –cid 1
h323 –mode 1 (peer to peer mode)
group -enable
group –number 4 –pattern –e
** Configure disconnect tone from tone table **
FXS configuration:(ip is and )
bureau –hotline (Tel #1 map to FXO e164=11)
bureau –hotline (Tel #2 map to FXO e164=12)
( continue to configure Tel#3 and Tel#4 )
h323 -line line (configure two tel number)
sysconf –service 2 ( Hot Line mode FXS)
sysconf -bf 0 (disable busy forward function)
h323 –mode 1 (peer to peer mode)

20. FXO to FXS direct mapping (Hot Line function) -- Peer to Peer mode --
WellGate FXS gateway
3504A/3502A/3502
WellGate FXO gateway
3806/3804/3802
350211
Tel 1
IP-Network
Tel 2
350212
PSTN
Tel 1
350221
350222
Hot Line function:
1. When Pick up telephone from FXS side, FXO dial to PSTN number
(pre-configured PSTN number) automatically
2. An incoming ring to FXO will ring to your desired telephone
line number at FXS automatically
FXS configuration: (ip is and )
bureau –hotline (Pick-upTel #1, 3804 call to
number from PSTN automatically)
bureau –hotline (Pick-upTel #2, 3804 call to
number 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)
FXO configuration: (ip is )
bureau –table
(LINE #1of FXO incoming will ring TEL#1 of FXS)
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 **

21. FXS to FXS direct mapping (Hot Line Application) -- Peer to Peer Mode --
WellGate 3504A
350211
WG3502 #1
Tel #1
IP-Network
Office
PBX
PBX trunk line
tel#1:601, tel#2:602
tel#3:603, tel#4:604
Tel #2
350212
WG3502 #2
Tel #1
350221
Hot Line function:
Pick up telephone from 3502 FXS side and ring to
pre-configured telephone Number at other 3504A FXS side automatically
Tel #2
350222
WG3504A configuration: (ip is )
bureau –hotline (Pick-upTel #1,
number tel#1 at 3502#1 will ring automatically)
bureau –hotline (Pick-upTel #2,
number tel#2 at 3502#1 will ring automatically)
bureau –hotline (Pick-upTel #1,
number tel#1 at 3502#2 will ring automatically)
bureau –hotline (Pick-upTel #2,
number tel#2 at 3502#2 will ring automatically)
sysconf –service 2 (HOT Line mode FXS)
sysconf -bf 0 (disable busy forward function)
h323 -line line –line –line
(configure 3504A four line numbers)
h323 –mode 1 (peer to peer mode)
WG3502 configuration: (ip is and )
bureau –hotline (Pick-upTel #1, number 601 tel#1
at 3504A will ring automatically)
bureau –hotline (Pick-upTel #2, number 602 tel#2
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 **

22. PBX with Remote VoIP Extension -- Remote IP-PBX Application --
Office
PBX
350211
WellGate FXO
gateway
Tel #1
WG3502 #1
IP-Network-A
Tel #2
350212
Or Wireless Network
WellGate FXO
gateway
WG3504A #2
Trunk
line
Tel #3
350221
IP-Network-B
PBX Extension line
Tel #4
350222
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 PBX’s 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.

23. Configure FXS Gateway Flash Time
WellGate FXS gateway
3504A/3502A/3502
IP-VPN
Tel #1
Telephone set or PBX trunk line
Generate Flash time to FXS gateway
Tel #2
Office PBX
FXS gateway detect Flash time
to recognize as a FLASH command
PBX
trunk line
Check your telephone set or PBX generating Flash time specification
i.e 100ms, 300ms or 500 ms.
FXS gateway default Flash time detection range is 100ms to 300ms
Use this command to adjust detection range from 300ms to 500ms.
phone –flash
Improper Flash time setting will hang up the phone when you press “FLASH” key at Telephone set.

24. Configure FXO Gateway Flash time
Local
PSTN
WellGate FXO gateway
3806/3804/3802
IP-VPN
Analog phone
Or Mobile phone
Ethernet
Extension
In office
PBX trunk line
PBX extension in office
Office PBX
Once FXO gateway receive “FLASH” command from IP network, it will generate a Flash time
to PSTN/PBX interface. The default time is 200ms.
Use this command to change flash time to 100 ms.
tone –flash 100
Improper Flash time setting will hang up the call to PSTN/PBX when FXO receive an “FLASH” command from IP side.

25. DNS Server Inquiry -- Use URL name to replace Gatekeeper and pbook IP address --
LAN Phone 101
IP:
IP-Network
Endpoints
WellGate 35xx/38xx
Gateway
IP:
DNS Server
IP:
Establish URL vs IP address table
Endpoints configure DNS server IP
ifaddr –dns (Primary DNS)
ifaddr –dns 2 x.x.x.x (Secondary DNS if needed)
Configure gatekeeper URL name (in GK mode)
h323 –gk
Or, Enter URL name instead of phone book IP address in Peer to Peer mode configuration
URL name
IP Address
Call Procedures
1. When power on Endpoints in GK mode or dial pbook number in peer to peer mode, endpoints
send URL name to DNS server and exchange real IP address.
2. Endpoint send real IP address to gatekeeper or target gateway/LAN Phone IP address from
pbook.

26. Talk to CISCO IP Phone and Gateway -- Default Gateway function in P2P Mode --
CISCO IP-PBX
LAN Phone 101
CISCO Call Manager
IP:
IP-Network
WellGate 35xx Gateway
CISCO 79xx IP Phone
Number : 666
CISCO ATA186 2-port Gateway
IP:
Dial 666 will ring to CISCO IP Phone.
h323 -dfgw (CISCO Call Manager IP)
h323 –mode 1 (peer to peer mode)
Dial xxx to connect to CISCO ATA 186 telephone
h323 -dfgw (CISCO ATA186 2-port Gateway IP)
Dial 1234 will call to PSTN number at CISCO AS 53xx
h323 -dfgw (CISCO AS53xx Gateway IP)
CISCO AS 53xx Gateway
IP:
PSTN
WellGate 5200 Gateway
PSTN Number
1234
The default gateway function is similar to the “default gateway” from MicroSoft Netmeeting.
Avoid any E164 number at pbook which has the same number you dial at this “Default Gateway”
Application mode.

27. Intelligent dial rule from FXO gateway
Remote
PSTN
LAN Phone 101
IP-Network
WellGate 35xx Gateway
Analog phone
Or Mobile phone
WellGate FXO gateway
3806/3804/3802
Any dial digit incoming from IP side or PSTN side will go through “Prefix Replacement” function
first and then go through “Drop/Insert/Filter” function.
Proper configure both function will provide intelligent dial rule to meet your requirement.
This function is effective when you need one stage dial (2nd dial is OFF).
FXO gateway one stage dial rule at IP/PSTN side
IP side digit
Calling
Replaced digit
dial to PSTN
Prefix Replacement
Drop/Insert/Filter
PSTN side
Digit Calling
Replaced digit
dial to IP side
Prefix Replacement
Drop/Insert/Filter

28. FXO Drop/Insert/Filter Application
Remote
PSTN
Area code 02
LAN Phone 101
IP-Network
WellGate 35xx Gateway
Analog phone
(02)
Or Mobile phone
WellGate FXO gateway
3806/3804/3802
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 remote PSTN dial rule. One stage dial (2nd dial is OFF) Only.
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 “ ” and you want just “ ” to be dialed.
FXO configuration as follows.
sysconf -2nddial 0 (2nd dial is off)
sysconf –drule in_drop 886 in_insert 0 in_filter 02
(you call , FXO will dial )
The outgoing call command as follows.
sysconf –drule out_filter 1 out_insert 0 out_drop 0306
(you dial to FXO, and FXO will send to IP-Network)

29. FXO gateway Prefix code Replacement
Remote
PSTN
LAN Phone 101
IP-Network
WellGate 35xx Gateway
Analog phone
Or Mobile phone
WellGate FXO gateway
3806/3804/3802
Drule regulation: When you dial a number from IP Network to remote PSTN, and you need
to change prefix code (or area code) in order to provide intelligent PSTN dial rule.
This function is used for One stage dial (2nd dial is OFF) Only.
There are 6 sets of table on each incoming call prefix replacement:
IP incoming (iprule) and PSTN incoming (pstnrule)
Any prefix number meet one of 6 sets of table will be replaced by your configured prefix number.
For example: Configure table 2 iprule prefix code from 0666 to 999.
You call from LAN Phone The number dial to remote PSTN from FXO is
FXO configuration as follows.
sysconf -2nddial 0 (2nd dial is off)
Prefix –pstnrule ; Configure table 1 to change PSTN incoming call prefix code from 555 to 888
Prefix –iprule ; Configure table 2 to replace IP incoming call from 666 to 999

30. Avoid unauthorized FXO landing call to PSTN
Remote
PSTN
LAN Phone 101
IP-Network
WellGate 35xx Gateway
Analog phone
Or Mobile phone
WellGate FXO gateway
3806/3804/3802
How to avoid unanthorized IP side user to place an PSTN call from Wellgate 38xx FXO ??
Set FXO gateway to One Stage dialing (2nd dial is OFF )
Set an valid E164 number at FXO gateway and proper “ Incoming Call “ at
drop/inset/filter command.
Check “FXO Drop/Insert/Filter Application” page at this application note.
Or, setup prefix code dial rule to restrict authorized dialer.
Check “FXO gateway Prefix code Replacement” Page at this application note.

31. How to Record/Analysis Disconnect Tone
Remote
PSTN
Line#1 PSTN number:
WellGate FXO gateway
3806/3804/3802
PSTN Phone
Procedures :
1. Telnet to FXO Gateway and Activate “ greetrd “ command (WellGate 38xx)
or “record –tone” command at WellGate 37xx FXO interface
2. Install PSTN telephone line to port #1 of FXO Gateway
3. Make a call ( i.e ) from PSTN phone to FXO gateway
4. Once Port #1 (Line#1) answer call at FXO gateway, hang up telephone at PSTN Phone
5. Press Enter key at your PC to activate Disconnect Tone record and Analysis function
6. Once you receive Disconnect Tone at Single or Dual Frequency from Telnet display,
go to “Tone” command to configure disconnect tone table.

32. Behind IP Sharing device – Static IP
ADSL Modem/Router, or
IP Sharing device
Private IP address:
IP:
Subnet Mask:
Gateway :
IP-Network
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
Gatekeeper can be any supplier or vender at this application
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

33. Behind IP Sharing device – Dynamic IP
ADSL Modem/Router, or
IP Sharing device
Private IP address:
IP:
Subnet Mask:
Gateway :
IP-Network
Welltech
Call Manager or
WellGate 38xx GK
with
Public and static
IP address
x.x.x.x is
Dynamic
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 Gatekeeper mode Only
Gatekeeper must be Welltech Call Manager or WellGate 38xx simple gatekeeper
at this application
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

34. Dial Up Modem with Windows PC Application -- peer to peer mode --
Windows XP/2000 with
Internet Connection Sharing function
RS-232 COM port
Remote
VoIP device
IP-Network
Local ISP
Analog Modem
Or, ISDN TA
IP devices setting:
IP:
Subnet Mask:
Gateway :
Telephone
Line, RJ-11
PC IP setting:
IP:
Subnet Mask:
Gateway :
Active the Internet Connection Sharing at Windows XP/2000
Setup IP Address for PC
(example, IP netmask gateway )
Set LAN Phone to peer to peer mode and IP address
(example, IP netmask gateway )
Set LAN Phone pbook or dial remote IP device’s IP directly
If you are using Windows 98 / ME, you have to install “wingate” first.
You need to know the public IP address of dial up Modem
if you call from remote IP devices to LAN Phone
VoIP device: for example
LAN Phone, or
FXO/FXS gateway

35. Dial Up Modem with IP Sharing Application
RS-232 COM port
IP Sharing device with
RS-232 COM port
Support: PPP/PAP/CHAP
Welltech
Call Manager or
WellGate 38xx GK
with
Public and static
IP address
IP-Network
Local ISP
Analog Modem
Or, ISDN TA
Private IP address:
IP:
Subnet Mask:
Gateway :
Telephone
Line, RJ-11
Remote
VoIP device
VoIP device: for example
LAN Phone, or
FXO/FXS gateway
Only one VoIP device install behind IP Sharing device
VoIP device works Gatekeeper mode Only
Gatekeeper must be Welltech Call Manager or WellGate 38xx simple gatekeeper
at this application
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

36. FXO gateway with Built-in Gatekeeper function Behind IP Sharing device – Dynamic IP
ADSL Modem/Router, or
IP Sharing device
Private IP address:
IP:
Subnet Mask:
Gateway :
WellGate 38xx
Gateway with
H323 gatekeeper
Inside at
Public and static
IP address
IP-Network
x.x.x.x is
Dynamic
WAN IP address
Or, public/static IP address
VoIP device: for example
LAN Phone, or
FXO/FXS gateway
WellGate 38xx with simple gatekeeper inside allows 10 endpoints to register
Use this command to enable Gatekeeper function
gk –enable 1
You can enter endpoints data to Gatekeeper by commands if endpoints can not register to GK automatically.
( This command is for endpoints not from Welltech and do not register to GK automatically)
gk –add “H.323 ID” “e.164” “IP” “signalling port” “0/1 (0 is Terminal mode, 1 is Gateway mode)”
ex. gk –add LP
Use this command to enable H235 Security function.
( Only registered H323ID of endpoints can be registered to GK if security function is enable. )
gk –security enable
gk –security add “H.323 ID”
You need to register WellGate 38xx gateway to your own gatekeeper as well.

37. Application of Call Manager
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)
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

38. PC to PC Calls ( SoftPhone and Softphone gateway )
Call Manager
( H323 Gatekeeper )
Softphone Gateway
Billing Server
RADIUS Compliant
Pre-Paid Billing
IP-Network
Softphone register to softphone
gateway and Call Manager handle
calls between Soft Phone
Behind 56K
Dial Up Modem
Behind
Private LAN
NAT
Behind
Private LAN
NAT
PC Based Soft Phone
PC Based Soft Phone
PC Based Soft Phone

39. PC to Phone and Phone to PC ( Soft Phone/Media Server and Call Manager )
Softphone gateway
Call Manager
Billing Server
RADIUS Compliant
Pre-Paid Billing
IP-Network
VoIP device: for example
LAN Phone, or
FXO/FXS gateway
Behind 56K
Dial Up Modem
Behind
Private LAN
NAT
Behind
Private LAN
NAT
PC Based Soft Phone
PC Based Soft Phone
PC Based Soft Phone

40. USB Phone Application ( PIN CODE for Authentication from Softphone gateway)
Call Manager (Gatekeeper)
IP-Network
PC access to internet by
56K Modem dial up
ADSL/Cable/Leased line Modem
SoftPhone gateway enable or disable PIN CODE
entry from PC based softphone
Send back Pin Code to Gatkeeper via softphone
gatewayMedia for Authentication
Billing Server check PIN CODE and password
for Authentication and Authorization to give
Accounting seconds to Call Manager/Softphone.
Install USB Phone driver to PC first
Activate PC software, for example:
NetMeeting, MSN Messanger, MediaRing, Innomedia
Or, Welltech Soft Phone can work behind Private LAN and Firewall
SoftPhone register to softphone gateway

41. WellGate 3502 FXS Comparison with competitor
CISCO ATA port FXS gateway
2 channels G.729A simultaneously
Yes
No (G G.729A only)
T.38 FAX at G.723/G.729
Only G.711
Behind NAT IP sharing device No
Support both SIP and H323
Voice Quality (customer opinion)
Good
Poor
Echo Cancellation Length
25 ms
8 ms
IP address configure by RS-232 console
Voice Prompt (Language problem)
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
Centralize Management Center (mass-download new F/W, Mass-GUI configuration)

42. WellGate 5200 T1/E1 Gateway Comparison with competitor
CISCO AS5300/AS5350
Adaptive Voice Payload size
Yes No
IVR Call Flow
Web base GUI (Drag & Drop)
Script – difficult to use
Intelligent PSTN Call Routing
Prefix & priority routing
Embedded Phone book
thru dial-peer configuration
Digit Manipulation
Easy & flexible
difficult to use
RADIUS Client interface
CDR
System Management
Full Web based GUI
Telnet
E1/T1 port programmable
N (need different card)
DTMF Inband/Outband
H245-alphanumeric, h245-signal,
RFC-2833, Q931-UUI, inband
H245-alphanumeric, h245-signal, Cisco-rtp, inband
H.450
H.450.2
H.341
Two stage dialing
via IVR call flow GUI
manual config
Embedded ANI Authentication
Embedded DNIS Authentication
Embedded IP Authentication

43. ITSP VoIP Solutions
An IP-based telephony solution for medium-to-large enterprises and services platform.