OT: Tracing PBX failure

From: Tamer Mohamed Bayomy (tamer.bayomy@xceedcc.com)
Date: Tue Jun 08 2004 - 06:27:51 GMT-3


Dear All,

Kindly I have the following questions regarding the below setup,

----------
| |
| VoIP GW 1 |
| |Backup PRI
|---------- |___________
        | |
        | |
        | |
 Leased Line |
        | |
        | |
        | |
 ---------- |
| | |
| VoIP GW 2 | |
| | |
|---------- | |
        |PRI |
        | |
        |PRI |
 ---------- |
| |___________|
| PBX |Backup PRI
| |
|---------- |

1- Let's say that the Leased line between GW1 & GW2 fails so the calls
will flow via the backup PRI.
2- If the VoIP GW2 fails so it's going to be the same as in the previous
case.

# My question is:
What if the PRI link between VoIP GW2 & the PBX fails or what if the PBX
itself failed.. How will the VoIP GW1 detect this case and switch to the
backup PRI?!!

Regards,
Tamer Bayomy



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