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We support H323 versions 1, 2, and 3 in our Cisco gateways. These are the versions that are approved by ITU-T forum. Is Annex M.1 a parto f these versions? If so, then yes it is bundled and supported. Can you expand on your question more so we can he...
What IOS version are you using? If this is in the first few seconds of the call, then see below:CSCdv66278Description: Echo occurs on VG200 for digital T1 calls during the first few seconds of the call.Workaround: This problem has been fixed in Cisco...
The E1 calls are ofcourse compressed at g711alaw and 64k and that is a standard on which we do not have an option. An E1 to E1 call will only be able to use G711ulaw, same true for any pots to pots call. The only place we do have an option, hence the...
Each voip connection takes up 2 RTP connection so we count each direction as one connection. Therefore you do need 60 connections for 30 voip calls. The default as you said is 16. Hope this helps.
We need much more information to be able to help you. This is a case of a specific configuration so at the very least we need both router configs. Then we need to see debugs as to why and where exactly the call fails. Does it not match a dialpeer? Do...