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

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

3 Page 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

4 Page 3  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 LAN Phone 101 Features

5 Page 4  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) WellGate 3502/3502A/3504 FXS gateway

6 Page 5  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) WellGate 3802/3804/3806 FXO gateway

7 Page 6  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 Welltech Management Center

8 Page 7 What is FXS Gateway IP-VPN Ethernet Tel 1 Tel 2 WellGate FXS gateway 3504A/3502A/3502 Local PSTN Office PBX Extension In office PBX trunk line 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

9 Page 8 What is FXO Gateway IP-VPN Ethernet WellGate FXO gateway 3806/3804/3802 Local PSTN Office PBX Extension In 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 PBX trunk line Analog phone Or Mobile phone

10 Page 9 WellGate 37xxA Local FXO incoming to Local FXS_Phone, No Answer and Forward to Local PSTN --- Peer to Peer Mode Application --- Local PSTN Local PSTN WellGate 3702A Phone A IP Network WellGate 3702A configuration : 1. h323 –mode 1 ( peer to peer mode) 2. h323 –line –line –line –line ( 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 ) FXO#2 E164= 1004 FXO #1, E164= 1002 PSTN # 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. Phone B Phone C FXS#1 E164= 1001

11 Page 10 WellGate 37xxA Local FXO incoming to Local FXS_Phone, No Answer and Forward to IP Network --- Peer to Peer Mode Application --- Local PSTN WellGate 3702A Phone A IP Network WellGate 3702A configuration : 1. h323 –mode 1 ( peer to peer mode) 2. h323 –line –line –line –line ( 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 2002 (FXS#1 forward to remote gateway number 2002 ) 5. Route –add prefix 2 dst 2 FXO #1, E164= 1002 PSTN # 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 Phone C FXS#1 E164= 1001

12 Page 11 WellGate 37xxA Local FXS call to Local PSTN or Remote IP Automatically --- Peer to Peer Mode Application --- Remote PSTN Remote WellGate 3702A Or other FXO/Trunk gateway Phone A Local WellGate 37xxA configuration : 1. h323 –mode 1 ( peer to peer mode) 2. h323 –line –line –line –line (default setting e164 number) 3. pbook –add name remote ip e drop 1 4. pbook –add name remote ip e 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 IP: FXS#1, E164= 1001 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: automatically. Phone C Local PSTN Phone B Or 911 FXO #1, E164= 1002 IP Network Local WellGate 37xx IP: Remote PSTN IP: Phone D

13 Page 12 WellGate 37xxA Local FXS to Local/Remote FXO Forwarding depends on prefix code --- Peer to Peer Mode Application --- Remote PSTN Remote WellGate 3702A Or other FXO/Trunk gateway Phone A Local WellGate 37xxA configuration : 1. h323 –mode 1 ( peer to peer mode) 2. h323 –line –line –line –line (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 IP: FXS#1, E164= 1001 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. Phone C Local PSTN Phone B FXO #1, E164= 1002 IP Network Local WellGate 37xx IP:

14 Page 13 WellGate 3702A Local FXO to Local FXO Forwarding --- Peer to Peer Mode Application --- Local PSTN Local PSTN WellGate 3702A Phone A IP Network WellGate 3702A 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 ) 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 FXO#2 E164= 1004 FXO #1, E164= 1002 PSTN # Call Procedures: 1. Phone A call to FXO#1 at PSTN# FXO#2 make a call to Phone B at PSTN automatically. 3. When Phone B answer call, Phone A talk to Phone B. Phone B

15 Page 14 WellGate 37xx Local FXO to Remote FXO Forwarding --- Peer to Peer Mode Application --- Local PSTN Remote PSTN Remote WellGate 37xx IP= Phone A 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 2002 (dial from FXO#1 incoming call to IP side e ) 6. line –config 4 hotline 2002 (dial from FXO#2 incoming call to IP side e ) FXO#1 E164= 2002 FXO #1, E164= 1002 PSTN # Call Procedures: 1. Phone A call to FXO#1/Local WG37xx at PSTN# 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. Phone B IP Network Local WellGate 37xx

16 Page 15 WellGate 3804 FXO Configuration --- Peer to Peer Mode Application --- IP-Network PSTN #1 Or PBX PSTN #2 Or PBX WellGate 3804 #1 WellGate 3804 #2 Analog Phone or Mobile Phone #1 Analog Phone or Mobile Phone #2 ADSL Modem with Router Or Switch/Hub #1 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 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) IP: E164: 886 (3804#2 IP number) IP: E164: 91 (3804#1 IP number) Call Procedures: 1. Phone 1 call to Line#1 via PSTN#1 number at 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

17 Page 16 WellGate 38xx FXO Hot Line (Forwarding) Application --- Peer to Peer mode --- IP-Network PSTN #1 Or PBX PSTN #2 Or PBX WellGate 3804 #1 WellGate 3804 #2 Analog Phone or Mobile Phone #1 Analog Phone or Mobile Phone #2 Number: 886 ADSL Modem with Router Or Switch/Hub #1 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 (2 nd 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 IP: IP: Call Procedures: 1. Phone 1 call to Line#1 via PSTN#1 number at 3804# #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.

18 Page 17 WellGate 38xx FXO Hot Line (Forwarding) Application --- Gatekeeper mode --- IP-Network PSTN #1 Or PBX PSTN #2 Or PBX WellGate 3804 #1WellGate 3804 #2 Analog Phone or Mobile Phone #1 Analog Phone or Mobile Phone #2 Number: 886 ADSL Modem with Router Or Switch/Hub #1 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 (2 nd dial off) 5. bureau –table 1 x.x.x.x 9886 (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") IP: IP: Call Procedures: 1. Phone 1 call to Line#1 via PSTN#1 number at 3804# #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. Gatekeeper

19 Page 18 WellGate 38xx FXO Line to Line Application --- Peer to Peer Mode --- IP-Network PSTN #1 Or PBX PSTN #2 Or PBX WellGate 3804 #1 WellGate 3804 #2 Analog Phone or Mobile Phone #1 Analog Phone or Mobile Phone #2 ADSL Modem with Router Or Switch/Hub #1 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 (2 nd 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/ 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 IP: IP: Call Procedures: 1. Phone 1 call to Line#1 via PSTN#1 number at 3804# #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.

20 Page 19 FXO to FXS direct mapping (Telephone extension via IP network) -- Line to Line (Peer to Peer mode) Application -- IP-VPN PSTN Or Office PBX Ethernet E164 of line L1: 11 L2: 12 L3: 13 L4: 14 WellGate FXO gateway 3806/3804/3802 Or WLAN/VSAT Access Point WLAN/VSAT Remote Unit Tel #1 Tel #2 Tel #3 WellGate FXS gateway 3504A/3502A/3502 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) Tel #4

21 Page 20 FXO to FXS direct mapping (Hot Line function) -- Peer to Peer mode -- IP-Network PSTN WellGate FXO gateway 3806/3804/ Tel 1 Tel 2 Tel 1 WellGate FXS gateway 3504A/3502A/3502 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 (2 nd dial OFF, FXS dial PSTN number automatically) ** Configure disconnect tone from tone table ** 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) 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

22 Page 21 FXS to FXS direct mapping (Hot Line Application) -- Peer to Peer Mode -- IP-Network WellGate 3504A Tel #1 Tel #2 Tel #1 WG3502 # 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 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 ** Hot Line function: Pick up telephone from 3502 FXS side and ring to pre-configured telephone Number at other 3504A FXS side automatically Office PBX PBX trunk line tel#1:601, tel#2:602 tel#3:603, tel#4:604 Tel #2 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 #2

23 Page 22 PBX with Remote VoIP Extension -- Remote IP-PBX Application -- IP-Network-A WellGate FXO gateway Tel #1 Tel #2 Tel #3 WG3502 # 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. Office PBX PBX Extension lineTel #4 WG3504A #2 IP-Network-B WellGate FXO gateway Or Wireless Network Trunk line

24 Page 23 Configure FXS Gateway Flash Time IP-VPN FXS gateway detect Flash time to recognize as a FLASH command Tel #1 Tel #2 WellGate FXS gateway 3504A/3502A/3502 Office PBX 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. Telephone set or PBX trunk line Generate Flash time to FXS gateway

25 Page 24 Configure FXO Gateway Flash time IP-VPN Ethernet WellGate FXO gateway 3806/3804/3802 Local PSTN Office PBX Extension In office PBX extension in office 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. PBX trunk line Analog phone Or Mobile phone

26 Page 25 DNS Server Inquiry -- Use URL name to replace Gatekeeper and pbook IP address -- IP-Network 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 Gatekeeper IP: LAN Phone 101 IP: WellGate 35xx/38xx Gateway IP: 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. DNS Server IP: Establish URL vs IP address table URL nameIP Address Endpoints

27 Page 26 Talk to CISCO IP Phone and Gateway -- Default Gateway function in P2P Mode -- IP-Network 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) h323 –mode 1 (peer to peer mode) Dial 1234 will call to PSTN number at CISCO AS 53xx h323 -dfgw (CISCO AS53xx Gateway IP) h323 –mode 1 (peer to peer mode) PSTN CISCO Call Manager IP: CISCO 79xx IP Phone Number : 666 CISCO ATA186 2-port Gateway IP: CISCO AS 53xx Gateway IP: WellGate 5200 Gateway LAN Phone 101 WellGate 35xx Gateway 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. PSTN Number 1234 CISCO IP-PBX

28 Page 27 Intelligent dial rule from FXO gateway IP-Network WellGate FXO gateway 3806/3804/3802 Remote PSTN Analog phone Or Mobile phone LAN Phone 101 WellGate 35xx Gateway 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 (2 nd dial is OFF). Prefix ReplacementDrop/Insert/Filter IP side digit Calling Replaced digit dial to PSTN Prefix ReplacementDrop/Insert/Filter PSTN side Digit Calling Replaced digit dial to IP side FXO gateway one stage dial rule at IP/PSTN side

29 Page 28 FXO Drop/Insert/Filter Application IP-Network WellGate FXO gateway 3806/3804/3802 Remote PSTN Area code 02 Analog phone (02) Or Mobile phone LAN Phone 101 WellGate 35xx Gateway 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 (2 nd 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 (2 nd 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)

30 Page 29 FXO gateway Prefix code Replacement IP-Network WellGate FXO gateway 3806/3804/3802 Remote PSTN Analog phone Or Mobile phone LAN Phone 101 WellGate 35xx Gateway 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 (2 nd 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 (2 nd 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

31 Page 30 Avoid unauthorized FXO landing call to PSTN IP-Network WellGate FXO gateway 3806/3804/3802 Remote PSTN Analog phone Or Mobile phone LAN Phone 101 WellGate 35xx Gateway How to avoid unanthorized IP side user to place an PSTN call from Wellgate 38xx FXO ?? Set FXO gateway to One Stage dialing (2 nd 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.

32 Page 31 How to Record/Analysis Disconnect Tone WellGate FXO gateway 3806/3804/3802 Remote PSTN 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. Line#1 PSTN number: PSTN Phone

33 Page 32 Behind IP Sharing device – Static IP x.x.x.x is Public and Static WAN IP address ADSL Modem/Router, or IP Sharing device VoIP device: for example LAN Phone, or FXO/FXS gateway 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 Private IP address: IP: Subnet Mask: Gateway : IP-Network Remote VoIP device

34 Page 33 Behind IP Sharing device – Dynamic IP IP-Network x.x.x.x is Dynamic WAN IP address ADSL Modem/Router, or IP Sharing 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 Private IP address: IP: Subnet Mask: Gateway : Welltech Call Manager or WellGate 38xx GK with Public and static IP address Remote VoIP device

35 Page 34 Dial Up Modem with Windows PC Application -- peer to peer mode -- IP-Network Analog Modem Or, ISDN TA Windows XP/2000 with Internet Connection Sharing function VoIP device: for example LAN Phone, or FXO/FXS 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 IP devices setting: IP: Subnet Mask: Gateway : Remote VoIP device Local ISP RS-232 COM port Telephone Line, RJ-11 PC IP setting: IP: Subnet Mask: Gateway :

36 Page 35 Dial Up Modem with IP Sharing Application IP-Network Analog Modem Or, ISDN TA IP Sharing device with RS-232 COM port Support: PPP/PAP/CHAP 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 Private IP address: IP: Subnet Mask: Gateway : Welltech Call Manager or WellGate 38xx GK with Public and static IP address Remote VoIP device Local ISP RS-232 COM port Telephone Line, RJ-11

37 Page 36 FXO gateway with Built-in Gatekeeper function Behind IP Sharing device – Dynamic IP IP-Network x.x.x.x is Dynamic WAN IP address Or, public/static IP address ADSL Modem/Router, or IP Sharing device 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. Private IP address: IP: Subnet Mask: Gateway : WellGate 38xx Gateway with H323 gatekeeper Inside at Public and static IP address

38 Page 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

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

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

41 Page 40 USB Phone Application ( PIN CODE for Authentication from Softphone gateway) IP-Network 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 Softphone gateway Call Manager (Gatekeeper) 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.

42 Page 41 WellGate 3502 FXS Comparison with competitor WellGate 3502CISCO ATA port FXS gateway 2 channels G.729A simultaneouslyYesNo (G G.729A only) T.38 FAX at G.723/G.729YesOnly G.711 Behind NAT IP sharing deviceYesNo Support both SIP and H323Yes Voice Quality (customer opinion)GoodPoor Echo Cancellation Length25 ms8 ms IP address configure by RS-232 consoleYesVoice Prompt (Language problem) FXO to FXS Line to Line direct mappingYesNo FXS to FXS Hot Line functionYesNo Compatible with CISCO VoIP productYes Alternative Gatekeeper SelectionYesNo Type Of Service (TOS) priorityYesNo Configurable Call Progress tone and ringYesNo Centralize Management Center (mass- download new F/W, Mass-GUI configuration) YesNo

43 Page 42 WellGate 5200 T1/E1 Gateway Comparison with competitor WellGate 5200CISCO AS5300/AS5350 Adaptive Voice Payload size YesNo IVR Call FlowWeb base GUI (Drag & Drop)Script – difficult to use Intelligent PSTN Call RoutingPrefix & priority routing No Embedded Phone book Yes thru dial-peer configuration Digit ManipulationEasy & flexibledifficult to use RADIUS Client interfaceYes CDRYes System ManagementFull Web based GUI Telnet E1/T1 port programmableYesN (need different card) DTMF Inband/OutbandH245-alphanumeric, h245-signal, RFC-2833, Q931-UUI, inband H245-alphanumeric, h245-signal, Cisco-rtp, inband H.450H.450.2No H.341YesNo Two stage dialingvia IVR call flow GUImanual config Embedded ANI Authentication YesNo Embedded DNIS AuthenticationYesNo Embedded IP Authentication YesNo

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


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