[cisco-voip] SRST and dial peers and trunk groups and CallManager MGCP config downloads

[Matthew Loraditch]

I don't think you have a choice. The serial port configs are controlled by ccm in mgcp mode its always going to overwrite anything not from ccm when it resets.

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-----Original Message-----
From: Lelio Fulgenzi [lelio at uoguelph.ca]
Received: 10/8/10 10:10 AM
To: voyp list [cisco-voip at puck.nether.net]
Subject: [cisco-voip] SRST and dial peers and trunk groups and CallManager MGCP config downloads

So here's my scenario:

 *   3845/3945 router with two or more PRIs
 *   PRIs are in MGCP mode using "ccm-manager config" to download configs
 *   router acts as SRST so MGCP gateways go into H323 fall back

I had tried configuring trunk groups to use with the dial peers so i wouldn't have to duplicate them for each PRI. This worked until the second SRST trigger. So the behaviour was this:

 *   configure trunk group membership on serial interface as instructed by TAC
 *   configure dial peers to point to trunk group
 *   trigger SRST, make calls, calls work
 *   revert back to normal operation
 *   router downloads MGCP config from CallManager, effectively wiping out the trunk group membership on serial interfaces
 *   trigger SRST, make calls, calls fail because there are no trunk group members

How are others handling this scenario, i.e. you are using MGCP with "ccm-manager config" command and SRST and trunk groups?

Why wouldn't CCM allow for a trunk group membership command? I even checked on version 7.1 and there's nothing there. :(

---
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Cooking with unix is easy. You just sed it and forget it.
                              - LFJ (with apologies to Mr. Popeil)


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