SIP Trunk is the way to go these days especially with 9.x/10.x. With SIP inspection opening UDP pinholes, you may be able to get around the MTP Required. I try to get rid of MTPs unless absolutely necessary.
On Mon, Feb 9, 2015 at 5:08 PM, Michael Hamann <[email protected]> wrote: > Hello, > > we support a company with severel sub organisations. We have a large CUCM > cluster (Ver 9.1), which provided telephony for most of the users. Now one > unit is building up a seperate smal CUCM (Ver 10.x). Both units networks > are seperated through a firewall, no overlapping subnets. The firewall is > supported by us, so we could add additional firewall rules.. > > Call between these units should be routed via IP and not via a > back-to-back ISDN gateway. What would be the best and easiest way to > configure this ? > > - SIP trunk between the two CUCM with "media termination point required" > set to true ? > - H323 Intercluster trunk ? > > or do we need an ISR with cube to do this ? > > thank you for your advice... > > kind regards > Michael > > > _______________________________________________ > cisco-voip mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip > >
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