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Cisco (13) Core (7) Dell (1) Excel (1) Exchange Server (34) Firefox (1) Hyper-V (19) Hyper-V R2 (22) IIS (1) IPv6 (1) ISA Server (3) Linux (22) Microsoft Office (3) mysql (1) Networking (20) ntfrs (2) OpenVPN (1). How to setup an H.323 trunk between asterisk and avaya Read these links.
My goal is to create a h.323 trunk between the Avaya COmmunication Manager ( ACM) and our Cisco Unified Communication Manager ( CUCM).Here is a guy who did a good job of setting up an h323 trunk on A vaya Call Manager to talk to Asterisk:It would be interesting to see if you could do a CUCM to Avaya CM h323 connection with no gateway. I don't see this anywhere.I take that back, I found it here:1/26/09 10:14AM:I have this configuration set up, but only works one way, from Avaya to Cisco. These successful calls end up with an RTP stream between the Medpro and the Cisco phone.I am tying to figure out why the call coming in to the Avaya is not working.
My hunch is that on these calls, ACM is not recognizing the incoming IP address because the call seems to be originating from the CUCM subscriber and the trunk is currently built against the publisher.1/26/09 4:12 PM:OK, adding 'trunk group for channel selection' field equal to my trunk group number seems to give me two-way communication. I can call from Avaya to Cisco, no problem. I can call from Cisco to any destination on the Avaya side.
except Avaya IP phones. Calls to Avaya digital and analog phones seem to work fine. Calls to other systems that tandem through the ACM work fine.These calls that are terminating on Avaya IP phones error out with odd ISDN-like error messages. It just doesn't add up. I wonder if it is trying to establish a station to station link? Maybe the signaling or the codec is failing.
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