[cisco-voip] TDM to IP VG's SIP, H323, MGCP

[Kenneth Hayes]

I agree. SIP between your UC apps, and gateways is what I recommend. In
some cases you might need to use SCCP protocol but for the major stuff SIP
is what I recommend.

Sent from my iPad

On Jul 26, 2013, at 9:22 AM, Eric Pedersen <PedersenE at bennettjones.com>
wrote:

  SIP works very well in CM 9.1. I don't know of any reason to use H.323
between CM and PRI gateways anymore.  MGCP still provides the simplest
configuration but you lose all the PRI calls if the connection between the
gateway and the CM it's registered to drops for some reason.



I suggest using the same protocol for all your gateways to reduce the
likelihood of problems with things like DTMF relay and faxes.



*From:* cisco-voip
[mailto:cisco-voip-bounces at puck.nether.net<cisco-voip-bounces at puck.nether.net>]
*On Behalf Of *Candese Perez
*Sent:* 25 July 2013 8:07 AM
*To:* cisco-voip at puck.nether.net VOIP
*Subject:* [cisco-voip] TDM to IP VG's SIP, H323, MGCP



Hello All,
I am working on a new CUCM 9.1 deployment with several branch offices using
PRI's.

Reading through the SRND and a few messages on this board, I am still not
sure which protocol to use for these gateways.

I know SIP is really prevalent now, and is much easier to troubleshoot, but
not sure if there are any issues in terms of features.



Additionally, this deployment will involve several VG 224's for fax, and
analog IVR components.

Does anyone have any suggestions either way SIP, H323, or MGCP or
particular features that work better/worse using a particular protocol?

Thanks!



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