This also is not a PJSIP issue. It?s a server side issue. You are getting responses from the server saying the account does not have authorization. Check the user name /password and make sure they both match. From: pjsip-bounces@xxxxxxxxxxxxxxx [mailto:pjsip-bounces at lists.pjsip.org] On Behalf Of ligen Sent: Monday, September 03, 2012 10:24 PM To: pjsip Subject: pjsip demo v2.0.1 can't delete sip account Dear All: I received follow message when exec '-a' in pjsua-i386-Win32-vc8-Debug.exe 10:59:57.781 pjsua_acc.c ....SIP outbound status for acc 2 is not active 10:59:57.781 pjsua_acc.c ....sip:8077 at 192.168.10.116: registration success, status=200 (OK), will re-register in 300 seconds 10:59:57.781 pjsua_acc.c ....Keep-alive timer started for acc 2, destination :192.168.10.116:5060, interval:15s -a Enter account ID to delete (empty to cancel): 2 11:00:12.843 pjsua_acc.c !Deleting account 2.. 11:00:12.843 pjsua_acc.c .Acc 2: setting unregistration.. 11:00:12.843 pjsua_core.c ...TX 443 bytes Request msg REGISTER/cseq=22557 (td ta00E6AF70) to UDP 192.168.10.116:5060: REGISTER sip:192.168.10.116 SIP/2.0 Via: SIP/2.0/UDP 192.168.40.247:5060;rport;branch=z9hG4bKPj5d42f173d9f24cb597b63 32d8282c3c1 Max-Forwards: 70 From: <sip:8077@192.168.10.116>;tag=e3b85dde28b14b448f9e56ec2d63e2b1 To: <sip:8077 at 192.168.10.116> Call-ID: ce2c3aeb17fe4f32839e6725c1c09f06 CSeq: 22557 REGISTER User-Agent: PJSUA v2.0.1 win32-5.1/i386/msvc-15.0 Contact: <sip:8077 at 192.168.40.247:5060;ob> Expires: 0 Content-Length: 0 --end msg-- 11:00:12.843 pjsua_acc.c ..Acc 2: Unregistration sent 11:00:12.843 pjsua_acc.c .Account id 2 deleted Account 2 deleted >>> 11:00:12.843 pjsua_core.c .RX 572 bytes Response msg 401/REGISTER/cseq=22 557 (rdata00E67964) from UDP 192.168.10.116:5060: SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 192.168.40.247:5060;branch=z9hG4bKPj5d42f173d9f24cb597b6332d828 2c3c1;received=192.168.40.247;rport=5060 From: <sip:8077@192.168.10.116>;tag=e3b85dde28b14b448f9e56ec2d63e2b1 To: <sip:8077 at 192.168.10.116>;tag=as558be70a Call-ID: ce2c3aeb17fe4f32839e6725c1c09f06 CSeq: 22557 REGISTER Server: Asterisk PBX 1.8.13.0-rc1 Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLIS H Supported: replaces, timer WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="333e65e0" Content-Length: 0 --end msg-- 11:00:12.843 pjsua_core.c ....TX 604 bytes Request msg REGISTER/cseq=22558 (t dta00E6AF70) to UDP 192.168.10.116:5060: REGISTER sip:192.168.10.116 SIP/2.0 Via: SIP/2.0/UDP ?????? ?:5060;rport;branch=z9hG4bKPj4845c961f2934034aceb7 5d659e571ae Max-Forwards: 70 From: <sip:8077@192.168.10.116>;tag=e3b85dde28b14b448f9e56ec2d63e2b1 To: <sip:8077 at 192.168.10.116> Call-ID: ce2c3aeb17fe4f32839e6725c1c09f06 CSeq: 22558 REGISTER User-Agent: PJSUA v2.0.1 win32-5.1/i386/msvc-15.0 Contact: <sip:8077 at 192.168.40.247:5060;ob> Expires: 0 Authorization: Digest username="8077", realm="asterisk", nonce="333e65e0", uri=" sip:192.168.10.116", response="8fabf967d9c7736ed9fe95cc6054b640", algorithm=MD5 Content-Length: 0 2012-09-04 _____ ligen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120904/c41ceb5d/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 168 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120904/c41ceb5d/attachment-0001.png> -------------- next part -------------- A non-text attachment was scrubbed... Name: image002.jpg Type: image/jpeg Size: 2038 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120904/c41ceb5d/attachment-0001.jpg>