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Hi,our customer asked if it's possible to NAT TMS's own IP address. A NAT separates TMS and endpoints, but they cannot do one-to-one NAT on endpoints. So the only option would be to NAT TMS itself, but I cannot find information on Administration Guid...
Hi,my customer is asking to enable early offer on outbound calls over SIP Trunk - CUCM 8.6.I see in System Guide it's only possible (without MTP) on phones which support getPort Skinny method, which is available from v20 of SCCP protocol.I cannot fin...
Hi,I'm having problems with a CUBE used as IPIP h323 to h323 gateway and transcoder (Cisco 2811). In my incoming voip dial-peer I use a voice-class with codecs g711 and g729 declared as follows:voice class codec 3 codec preference 1 g711ulaw codec p...
Thanks very much, very useful guide! Only a little note: when you say, about centralized TFTP, "In a heterogeneous environment with a mix of pre-8.x and 8.x clusters, the "Prepare Cluster for Rollback to Pre 8.0" must be enabled on the 8.x cluster ...
Hi Jaroslav,we solved it at the end. Guys from the PBX managed to change configuration to send out to VGW a PI=8, and play the ringback accordingly.ThanksAndrea
Thanks Magnus for the answer.So, TMS will communicate with the endpoints with its NATted address (not its own). In this situation, which limitations could occur? Is the architecture supported by TAC? I ask since I cannot find documentation on NATing ...
Hi Jaroslav,I hit the same problem. Trace from my GW is exact same respect to yours.I'd like to ask you if you finally came up with a solution, or not.Thanks and best regards,Andrea
Yes,I saw documentation, wrote it in first post But information I need is which phone models and firmware version get sccp v20. For example, has 7940/60 phone sccp v20? For which firmware version? And what about 6941, and other models?I cannot regist...
