search for: p__defanged_div_

Hello Eric, call progress detection is the problem. Asterisk mistakenly recognizes the call to be answered and then still "hears" the ringing that should not be there if the line was really up. To solve the problem you would have to either implement a progress detection matching your country's indication tones or at least adjust the existing one for US or Costa Rica in dsp.c. By

We encouter a situation where we need to use SIP info to convey infomation for one end point to another endpoint. I use asterisk to do the test and find asterisk does not forward the SIP info to another endpoint, but act as UAS and returns a 4xx error message. I think asterisk is not right to handle this SIP info message. In RFC 3261 Page 70 "This protocol is designed to be extended.