I try to config busy aa script via CUE 8.5 on my callmanager 8.5.  I config a number at 'forward all' below a DN, config a route pattern to h323 voicegateway for this number, config sip trunk on voicegateway to cue. When I try to make a call to this ...

I got CCME 8.5 . When I have call using 6921 and speakphone, the other side hear the echo when talked, both internal and outbound call. Try upgrade the newest firmware, no use. Try to use the cisco 7942, work fine. Take 6921 register to CM, work fine...