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

Lelio Fulgenzi lelio at uoguelph.ca
Fri Oct 8 22:15:43 EDT 2010


Add to that COR lists, and you got yourself and thick soup of  
confusion. ;)

…
Don't look at me, my iPod maid that spilling mistake.

On 2010-10-08, at 7:48 PM, "Jason Aarons (US)" <jason.aarons at us.didata.com 
 > wrote:

> Some ends users struggle with dial-peers and routers.
>
>
>
> If you’ve never touched a router than MGCP is for you (as you will h 
> ave to touch the router less), if you’re a CCNP or smart you can hav 
> e dial peers.
>
>
>
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip- 
> bounces at puck.nether.net] On Behalf Of Tim Smith
> Sent: Friday, October 08, 2010 7:38 PM
> To: Lelio Fulgenzi
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] SRST and dial peers and trunk groups and  
> CallManager MGCP config downloads
>
>
>
> This is a nice reason for using h323 or even sip now and avoiding  
> ccm manager config and mgcp.
>
>
>
> It has bugged us here in Australia for years in partial E1 configs.
>
>
>
> Also hate the lack of call preservation in a fallback!
>
>
>
> Cheers,
>
>
>
> Tim
>
> Sent from my iPhone
>
>
> On 09/10/2010, at 2:12, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>
> I'm thinking that might be the way to go. remove the ccm-manager  
> config command once i've downloaded the config. If I make any  
> changes on CallManager, then I re-issue the ccm-manager config  
> command and reapply the trunk group settings on each serial interface.
>
>
> ---
> 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)
>
>
> From: "VoIP Guy" <ciscovoiper1 at gmail.com>
> To: "Matthew Loraditch" <MLoraditch at heliontechnologies.com>
> Cc: cisco-voip at puck.nether.net, lelio at uoguelph.ca
> Sent: Friday, October 8, 2010 10:48:23 AM
> Subject: Re: [cisco-voip] SRST and dial peers and trunk groups and  
> CallManager MGCP config downloads
>
> It might just be worth disabling the command ccm-manager config  
> which means that your config should not be overwritten.
>
> On Fri, Oct 8, 2010 at 3:32 PM, Matthew Loraditch <MLoraditch at heliontechnologies.com 
> > wrote:
>
> 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.
>
> Sent from my Android phone using TouchDown (www.nitrodesk.com)
>
>
>
> -----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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