Note that G.729 despite popular belief, it not well suited to use over the internet, due to bad quality in case of jitter and packet loss.
So if you are connecting phones over the Internet and the idea is of saving bandwidth, the best would be fo you to try the new phones (7942, 7962 etc) that the iLBC codec and that will be presumably supported in a next version of CME.
iLBC unlike G.729 behave very well in presence of impairment on the IP network.
1. I would like to connect Linksys IP Phone (SIP) to cme, but it is ok with G.711. With G.729 codec SIP says it has problem with media stream. Did you try to work with Cisco ip phones and do I need to configure anything else but codec g.729?
2. What will be the new version of IOS that will support iLBC?
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