You may be exceeding the Android MTU, which seems to be 1500 bytes. Here are a few interesting links: https://code.google.com/p/mtuchanger/ http://stackoverflow.com/questions/14101746/build-time-configuration-of-android-tcp-ip-mtu Note that pjsip will automatically switch to TCP transport if packet is too big, perhaps you can enable TCP transport and leave PJSIP_UDP_SIZE_THRESHOLD at default of 1300. Bill On 11/7/2014 1:52 AM, zhouxiaoqiang.mstech at gmail.com wrote: > Hi All: > here is a problem on Android Platform. > when I sent invite packet that size is 1900 byte, occur the flowing > error: > tsx0x637bd06c ...Failed to send Request msg INVITE/cseq=3811 > (tdta0x639ac008)! err=120001 (Operation not permitted) > > in sip_config.h have this line #define PJSIP_UDP_SIZE_THRESHOLD 3000 > > thans your any advice! > > ------------------------------------------------------------------------ > zhouxiaoqiang.mstech at gmail.com > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20141107/7110dafa/attachment.html>
