[cisco-voip] CUCM SIP To PSTN

Jorge L. Rodriguez Aguila jorge.rodriguez at netxar.com
Thu Jun 14 09:53:38 EDT 2012


You can, but unless, you want to open your entire network to the provider, you should not as the Signalling will be SIP from the CUCM to the Media GW on the CUCM but the RTP will be from your phones directly to the Telco Media GW.


Jorge Rodriguez Aguila, CCVP-Voice
Senior Voice/Data Consultant
Netxar Technologies
jorge.rodriguez at netxar.com<mailto:jorge.rodriguez at netxar.com>
787-688-8530



From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of george.hendrix at l-3com.com
Sent: Thursday, June 14, 2012 8:44 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] CUCM SIP To PSTN

Hi everyone,

  I know with h.323 gateways in CUCM, you have to configure dial peers on each gateway and for each CUCM.  Is it possible to create a SIP trunk directly from CUCM to the Telco?  Without having to do any dial peers on the gateway.  Or would it CUCM SIP <> SIP GW <> SIP PSTN, with SIP dial peers on the SIP GW for both CUCM and the PSTN?

Thanks,

Bill Hendrix

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