[cisco-voip] transcoding on srst gw

Thu Jan 26 20:44:43 EST 2006

I noticed that the normal dial-peers with "application MGCPAPP" disappeared
I think when I first put 12.3 on a router.  Is it possible MGCP with
config-download now tucks itself on the default peer?

  _____  

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kevin Thorngren
Sent: Thursday, January 26, 2006 7:03 PM
To: James Grace
Cc: CiscosupportUpuck <cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] transcoding on srst gw

I responded too quickly, too late in the evening :-) The default dial peer
is matched for inbound calls. Try using "debug voip ccapi inout" to see what
is happening with the call. Maybe we can take a look at this along with your
config (sanitize as needed).

Kevin
On Jan 26, 2006, at 7:53 PM, Kevin Thorngren wrote:

You are matching the default dial peer which is hidden. Please read the
following:
http://www.cisco.com/en/US/tech/tk652/tk90/technologies_tech_note09186a00801
0fed1.shtml

Kevin
On Jan 26, 2005, at 5:57 PM, James Grace wrote:

Ok   well the concern is that all call are working fine. Even thou we do not
see the dialpeer.  So we are clueless on how calls are going out with out
the dial peer.  We know that they are going out the right gw but doing
debugs q931 921

From: Voll, Scott [mailto:Scott.Voll at wesd.org]
Sent: Thursday, January 26, 2006 5:21 PM
To: James Grace
Subject: RE: [cisco-voip] transcoding on srst gw

I think your other engineer is right.  But I don't have any doc's to back it
up.

I know on my 3640 with PRI I put in a pots dial peer of  9991024 as my PRI
is in slot1 port 0.

dial-peer voice 9991024 pots
 destination-pattern 9T
 incoming called-number .
 direct-inward-dial

I do remember manually putting it in. 

Scott

Sorry, it's been years.

From: James Grace [mailto:jgrace at digitelusa.net] 
Sent: Wednesday, January 26, 2005 10:48 AM
To: Voll, Scott
Subject: RE: [cisco-voip] transcoding on srst gw

Hey Voll you seem to have all the answers.  So I thank you for all the
help..   I have a question that me and another engineer have a issue with.
Can you explain to me or help me understand why   on a mgcp gw,  we do not
see a dial peer in the config for the pri endpoint ( like you would see
after confuring fxo and fxs end points in cm)  and how would I explain why
there isn't suppose to be one in the cli conf.  my other engineer seems to
thing that you should add one manully to the cli gw

From: Voll, Scott [mailto:Scott.Voll at wesd.org]
Sent: Thursday, January 26, 2006 12:19 PM
To: James Grace
Subject: RE: [cisco-voip] transcoding on srst gw

But is the conference calling resource at the remote site or the central
site.  If it's at the central site then the transcoding is just need at the
central site.  Now if the conference calling resource is at the remote site,
yes you will need transcoding at the remote site.

Scott

From: James Grace [mailto:jgrace at digitelusa.net] 
Sent: Wednesday, January 26, 2005 8:56 AM
To: Voll, Scott
Subject: RE: [cisco-voip] transcoding on srst gw

Yes we are doing conf call internal at the srst and conf calling between the
srst and main. 

From: Voll, Scott [mailto:Scott.Voll at wesd.org]
Sent: Thursday, January 26, 2006 11:36 AM
To: James Grace
Subject: RE: [cisco-voip] transcoding on srst gw

James-

You are going to setup regions to your remote sites so you can use G729.
That I understand.  Do you have some kind of resource at the remote site
that only does G711 that you're other sites need to get too?  That would be
the only reason I can think of for needing transcoding resources at the
remote site. 

I have transcoding resources at the central site because I have IPCCx that
only does G711.  So if a remote site is using G729 the central site
transcodes it to G711 so they can make the call to the IPCCx pilot point.

Are you doing conferencing calling resources at the remote site that would
require transcoding at the remote site?

Scott

From: James Grace [mailto:jgrace at digitelusa.net] 
Sent: Wednesday, January 26, 2005 8:25 AM
To: Voll, Scott
Subject: RE: [cisco-voip] transcoding on srst gw

First thanks for the reply

I was told that i need to set up region for srst with codec 7.29 and set up
transcoding on the srst gw to dedicate a few dsp fo r transcoding

From: Voll, Scott [mailto:Scott.Voll at wesd.org]
Sent: Thursday, January 26, 2006 11:03 AM
To: James Grace; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] transcoding on srst gw

What is the reason for having transcoding on your SRST gw?

If your in SRST you would be using the PSTN. 

Scott

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of James Grace
Sent: Wednesday, January 26, 2005 7:37 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] transcoding on srst gw

I was told that I need to configure transcoding on my srst gw. And not sure
way. Is this really needed.  And if I set up a media resource groups for my
srst site, the available resources are on the cms at the main site.  So the
question is if I create one for srst and use the avil resource isn't that
the same as using none or the default

James D. Grace 
CCNP CCNA MCSE MCDBA
Sr. System Engineer / Professional Svc.
Digitel Corporation

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