Yes, Cisco gatekeeper does support H.323 Annex G. To support my statement is the following cisco document :Cisco H.323 Scalability and Interoperability Enhancementshttp://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122limit/122x...
The Cisco IOS image which you are using, doesnt have the CEF Feature support on it. For a Cisco 1721, the IOS recommended for the features relating to CEF are:12.2(13)T or 12.2(13)T1. Following CEF Features are available in it:* CEF on Multipoint GRE...
