SIP and failover

[kwing112000]

Does anyone have SIP as a primary trunk for making calls and have any experiance with ARS failing over to POTS when the SIP is down. I am guessing that because it is an ethernet connection it will not failover.

Any thoughts or experiance.

 

[h382]

I have it setup for a company, it seems to be working OK. What are you having trouble with?

 

[kwing112000]

I am not having trouble yet but i was just thinking about it. We have it set up so the SIP comes out of WAN port on IP500 then goes right to a router which sees the ethernet up all the time.

 

[richardloftus]

My experience with it so far is that (for me) it does not work.

In my scenario I have setup an SOE with a SIP trunk to failover (alternate route) back to the Main ISDN.

The problem is that it appears the Avaya unit cannot detect when the SIP line is down. After unplugging the cable for my ADSL, the Avaya still shows the SIP trunk as active and tries to use the line when triggered by a shortcode.

I'm not sure if the Avaya polls the SIP connection to check if it is active, but it would appear it does not (or the detection is slow).

h382, are you able to provide any information that may be able to point me in the right direction?

Cheers
Richard

 

[janni78]

Guess it because the IPO registers to the SIP provider and then assumes that it's active until the next registration.
But one would think that it could understand that it's down when it's time to make a call.