search for: 253ms

I posted this question a while back, and I'm posting again in hopes that someone has some ideas. Sorry if you've already seen this. When dialing out using a SIP or IAX provider (Broadvoice, SimpleTelecom, VoicePulse Connect) I often find that after the call is answered the first few seconds of audio are cut off (i.e. I don't hear the called party). This usually results in the called

...ms Call Ref = 152, Originator State = Incoming Alerting, Type = Trunk, Destination State = Alerting, Type = User 08-14-13 07:30:14 AM-251ms Line = 18, Channel = 1, SIP Message = Cancel, Call Ref = 152, Direction = To Switch, From = 3230 at 172.16.8.40, To = 1042 at 172.16.8.5 08-14-13 07:30:14 AM-253ms Line = 18, Channel = 1, SIP Message = Response, Call Ref = 152, Direction = From Switch, From = 3230 at 172.16.8.40, To = 1042 at 172.16.8.5, Response = 487 Request Terminated 08-14-13 07:30:14 AM-254ms Call Ref = 152, Originator State = Clearing, Type = Trunk, Destination State = Alerting, Type...