We have Cisco 9971, 7920 and 7925 wireless phone in our network. The phones registered with Callmanager. I can call any wired cisco phones in the network. Everything works fine. However, when I call from one wireless phone to another wireless phone, the phone would ring but there is no audio when the call was answered. The wireless phones are in the same vlan. Anyone experienecd the same issue?
In the advanced tab of the WLAN config, have you got peer to peer traffic set to drop?
Once the call is established, the phones go peer to peer, so sounds like it could be getting blocked by that..?