id summary reporter owner description type status priority milestone component version resolution keywords cc backport_to_milestone backported 416 Allow application to handle sending ACK manually bennylp bennylp "Please see ""3PCC call transfer implementation"" thread on PJSIP mailing list archive for discussion (http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2007-November/000713.html)" enhancement closed normal release-0.9.0 pjsip trunk fixed