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VoIP using LAN to LAN by routermad
Posted: 4 Apr 03 (Edited 7 Apr 03)

I hope this FAQ will help with enquiries about setting two sites for VoIP. The link could be xDSL, lease lines or even Frame Relay controlled by third party routers. It does not matter, as long as you could ping from one network to another, and that the third party routers support the protocols that you are using. Other configuration with the WAN ports are possible.

I do not intend to rewrite the manual, but if my information is wrong, please do correct me. Please note I have several fully functional sites with this similar setup.

Required hardware:
IP Office or ArgentBranch at both sites
VCM at both sites.
Static IP Address for ADSL modems.

You will have to use your imaginations:


         Site A                           Site B

         ADSL Modem                       ADSL Modem
         192.168.42.254 /24               172.16.0.254 /24
 
         ___                                 ___
         |  |             xDSL              |  |
      --|  |---/-------------------/---|  |---
      |  I__I                                 I__I  |
      |                                                |
      |                                                |
      |                                                |
      |  ____                              ___   |
      |  |   |                               |   |   |
      |  | I |                               | I |   |
      I_| P |                               | P |_|
         | O |                              | O |
         I___I                              I___I

         IP Office                         IP Office
         192.168.42.253 /24                172.16.0.253 /24

         Extn range = 200                  Extn range = 300

Line;
Line Group ID  = 20                        15
No of channesl = 5                         5
IP Add         = 172.16.0.253              192.168.42.253
Compression    = G.729                     G.729

Short Codes;
Short Code     = 3N                        2N
Telephone No.  = .                         .
Line Group ID  = 20                        15
Feature        = Dial                      Dial

IP Route;
IP Address     = 172.16.0.0                192.168.42.0
IP Mask        = 255.255.255.0             255.255.255.0
Gateway        = 192.168.42.254            172.16.0.254
Destination    = LAN1                      LAN1

Back to Avaya: IP Office FAQ Index
Back to Avaya: IP Office Forum

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