Dear GionoIt was very useful document.Thanks for your all your help.Best regards,

Many thanks for your explanation.You mean even if I have CAC, it is not possible to renegotiate the Codec on the established calls?

Actually I want to apply codec switching in multi-rate wireless LAN, and it means when transmission rate reduced for example from 11Mbps to 5.5Mbps, system switch to the lower bit-rate codec like G.711 to G.729 and reverse when transmission rate incr...

thanks for your reply.do you know where we can configure it?and how often do these re-invites come?

thanks for your reply.do you know where we can configure it?and how often do these re-invites come?