Is anyone aware of any issues when using a Cisco As5300 to deliver inbound SIP calls. I see the call coming into the Asterisk unit, but I do not hear any audio. This is a intermittant problem as sometimes does does work and no modifications are being made. Below is my configuration for the Cisco As5xxxx dial-peer voice 25 pots incoming called-number 877....... direct-inward-dial ! dial-peer voice 2627 voip destination-pattern 877....... session protocol sipv2 session target ipv4:XXX.XXX.XXX.XXX:5060 session transport udp dtmf-relay rtp-nte codec g711ulaw no vad ! sip-ua retry invite 3 retry response 3 retry bye 3 retry cancel 3 timers trying 1000 sip-server ipv4:XXX.XXX.XXX.XXX Thanks in advance, Brian