Re: H.323 Gatekeeper Zones to control compression G.722 and G.71
Codec negotation is a feature of H.245, which is directly between gateways. H.245 is not terminated or passed through a GK. Hence, you cannot use a GK to control codec negotiation of a call.
The only way to get that to work is to hairpin all calls through the GK to go through a CUBE (IP-to-IP GW) located on the same box as the GK. Note that when doing this, you will have RTP traffic terminating through the CUBE/GK box. That is done with this command:
zone remotegatekeeper-namedomain-name [ras-IP-address] [inviainbound-gatekeeper | outviaoutbound-gatekeeper [enable-intrazone]]
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
Over the last few months, I have had the privilege of working on SI...
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