[cisco-voip] best way to route call between 2 CUCMs

2015-02-09 Thread Michael Hamann
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

Re: [cisco-voip] best way to route call between 2 CUCMs

2015-02-09 Thread Brian Meade
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 m...@mhamann.net wrote: Hello, we