*What steps will reproduce the problem?* 1. Startup application with PJSIP at iPhone 3G with iOS 4. 2. Make outgoing call. Start conversation. 3. Wait 20 seconds. *What is the expected output? What do you see instead?* Actual result: Outgoing call cut off at 20 sec. The call breaks on the phone on which I have called. And the call ends normally according to the log-file. The telephone conversation cut off after 20 sec means - the call ends on the simple phone without SIP on which I was made call. And the call ends on my iPhone with my sip-client which use PJSIP. Application receive 200/REGISTER and call ends. *What version of the product are you using? On what operating system?* - I use iPhone 3g with iOS 4, iPhone 2g with iOS 3, iPhone 3gs with iOS 4, iPhone 4 with iOS 4 - I tried to use PJSIP 1.0.3, PJSIP 1.6, PJSIP 1.7 I have tried another sip clients at this Wi-Fi network: - Fring - the problem reproduce - Nimbuzz - the problem NOT reproduce - Siphone - the problem reproduce Please help me to solve this problem. Thanks. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100827/dd819979/attachment.html>