[cisco-voip] Call Manager router failover

[Erik Erasmus (E)]

Hi Sam
 
I have a setup with two voicegateways both with two PRIs for rdundancy
at a site and they work fine using 4-2-3 sr3x
 
we don't swop manual - not sure if this is part of the problem -
should not be
 
I am using Route pattern, Rlist, Rgroup gateway
 
are you suing h323 or MGCP gateways 
 
 
erik erasmus  

________________________________

From: cisco-voip-bounces at puck.nether.net on behalf of Sam Hall
Sent: Thu 2007-12-20 12:06
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Call Manager router failover



Hi 

We have two routers at each of our sites, one has our WAN connection
"xx-2651-1", the other has our ISDN30 "xx-2651-2".  If our ISDN 30
router hardware fails, we physically move the ISDN 30 cable from
"xx-2651-2" to "xx-2651-1".  In CM 3.2 this automagically worked as we
have both routers configured in CM's "Route Group config". 

Now in CM 4.2(3) after an upgrade this doesn't seem to work any more;
the only way to get this to work is to manually move the cable and
then swap the priority of the two selected devices in CM's "Route
Group config", then all calls route in and out as expected. 

If we don't swap the priority the below happens: 

1) external > inbound are accepted and routed as normal 
2) internal > internal are accepted and routed as normal 
3) internal > external get an engaged tone 
4) "csim start" simulated calls from the router i.e internal >
external work fine as well 

Any ideas would be appreciated. 


Sam
----
Sam Hall
Robert Wiseman & Sons
Ext: 6655
Tel: +44 (0)1355 270655
samhall at wiseman-dairies.co.uk
www.wiseman-dairies.co.uk
159 Glasgow Road, East Kilbride, Glasgow, G74 4PA 

 

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