[Users] call forwarding problem

Tue Apr 18 16:11:35 CEST 2006

Hi all,
  I was enabling features like call forwarding and voicemail in my openser script. I also took some idea from the call forward configuration available at Onsip.org. But I find a strange problem:
  When the user has set his call forwarding to forwarding on no answer and if someone calls this user it rings for the request timeout period but after request timeout the invite goes again to the same user instead of the forwarded number and the phone keeps on ringing.
  Then I jus used the onsip.org configuration and again I face the same problem.
  Can someone help me on this please.
  I remember that this script worked well in the 0.9.5 version of openser but now I am using 1.1.x from the cvs and I am facing this problem.
  The problem somewhere seems to be with the append_branch function.
  I inserted the log function at different places in the script to check the flow, it behaves as needed but after the append_branch() I dont know what goes wrong but the call is not forwarded somehow.
  The blind forwarding concept works fine as it does not need any append_branch() in it.
  The ngrep after request timeout happens is given below:

  202.XXX.60.XXX:5060 -> 202.80.XXX.XXX:1443
  CANCEL sip:6468621545 at 192.168.2.18:8469 SIP/2.0..Via: SIP/2.0/UDP 202.XXX.60.XXX;branch=z9hG4bK39ec.b7193062.0..From: "jaye
  sh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..To: <sip:6468621545 at 202.XXX.60.XXX>..CSe
  q: 2 CANCEL..User-Agent: OpenSer (1.1.0-dev16 -notls (i386/linux))..Content-Length: 0....
#
U 202.XXX.60.XXX:5060 -> 202.80.XXX.XXX:2650
  SIP/2.0 407 Proxy Authentication Required..Via: SIP/2.0/UDP 192.168.2.18:8466;received=202.80.XXX.XXX;branch=z9hG4bK-d8754
  3-c63a9f56aa2b013d-1--d87543-;rport=2650..To: <sip:6468621545 at 202.XXX.60.XXX>;tag=71ff39c351286642530928b88b3f93ba.d71b..Fr
  om: "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..CSeq: 2 INVITE..Proxy-Authent
  icate: Digest realm="202.XXX.60.XXX", nonce="4444ecd2d1559130637b185152e48a75efecca04"..Server: OpenSer (1.1.0-dev16 -notls
   (i386/linux))..Content-Length: 0..Warning: 392 202.XXX.60.XXX:5060 "Noisy feedback tells:  pid=11598 req_src_ip=202.80.61.
  10 req_src_port=5060 in_uri=sip:00919833171405 at 202.XXX.60.XXX out_uri=sip:00919833171405 at 202.XXX.60.XXX via_cnt==2"....
#
U 202.80.XXX.XXX:2650 -> 202.XXX.60.XXX:5060
  ACK sip:6468621545 at 202.XXX.60.XXX SIP/2.0..Via: SIP/2.0/UDP 192.168.2.18:8466;branch=z9hG4bK-d87543-c63a9f56aa2b013d-1--d87
  543-;rport..To: <sip:6468621545 at 202.XXX.60.XXX>;tag=71ff39c351286642530928b88b3f93ba.d71b..From: "jayesh"<sip:6468621547 at 20
  2.80.61.10>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..CSeq: 2 ACK..Content-Length: 0....
#
U 202.80.XXX.XXX:2650 -> 202.XXX.60.XXX:5060
  INVITE sip:6468621545 at 202.XXX.60.XXX SIP/2.0..Via: SIP/2.0/UDP 192.168.2.18:8466;branch=z9hG4bK-d87543-1b1c6b50b550ef43-1--
  d87543-;rport..Max-Forwards: 70..Contact: <sip:6468621547 at 192.168.2.18:8466>..To: <sip:6468621545 at 202.XXX.60.XXX>..From: "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..CSeq: 3 INVITE..Allow: INVITE, ACK,
   CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO..Content-Type: application/sdp..Proxy-Authorization: Diges
  t username="6468621547",realm="202.XXX.60.XXX",nonce="4444ecd2d1559130637b185152e48a75efecca04",uri="sip:6468621545 at 202.80.
  61.10",response="752c0923d00e9a7a4a8611835ea0c649",algorithm=MD5..Supported: eventlist..User-Agent: eyeBeam release 3010n
   stamp 19039..Content-Length: 235....v=0..o=- 18498030 18498049 IN IP4 192.168.2.18..s=eyeBeam..c=IN IP4 192.168.2.18..t=
  0 0..m=audio 8470 RTP/AVP 8 18 5 101..a=alt:1 1 : 3E35CA80 000000D3 192.168.2.18 8470..a=fmtp:101 0-15..a=rtpmap:101 tele
  phone-event/8000..a=sendrecv..
#
U 202.XXX.60.XXX:5060 -> 202.80.XXX.XXX:2650
  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP 192.168.2.18:8466;branch=z9hG4bK-d87543-1b1c6b50b550
  ef43-1--d87543-;rport=2650;received=202.80.XXX.XXX..To: <sip:6468621545 at 202.XXX.60.XXX>..From: "jayesh"<sip:6468621547 at 202.8
  0.61.10>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..CSeq: 3 INVITE..Server: OpenSer (1.1.0-dev16 -notls (i386/linu
  x))..Content-Length: 0..Warning: 392 202.XXX.60.XXX:5060 "Noisy feedback tells:  pid=11594 req_src_ip=202.80.XXX.XXX req_src
  _port=2650 in_uri=sip:6468621545 at 202.XXX.60.XXX out_uri=sip:6468621545 at 192.168.2.18:8469 via_cnt==1"....
  #
U 202.XXX.60.XXX:5060 -> 202.80.XXX.XXX:1443
  INVITE sip:6468621545 at 192.168.2.18:8469 SIP/2.0..Record-Route: <sip:202.XXX.60.XXX:5060;nat=yes;ftag=1b0d5617;lr=on>..Via:
  SIP/2.0/UDP 202.XXX.60.XXX;branch=z9hG4bK49ec.e5a8534.0..Via: SIP/2.0/UDP 192.168.2.18:8466;received=202.80.XXX.XXX;branch=z
  9hG4bK-d87543-1b1c6b50b550ef43-1--d87543-;rport=2650..Max-Forwards: 69..Contact: <sip:6468621547 at 202.80.XXX.XXX:2650>..To:
   <sip:6468621545 at 202.XXX.60.XXX>..From: "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZR
  VNI..CSeq: 3 INVITE..Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO..Content-Type: app
  lication/sdp..Supported: eventlist..User-Agent: eyeBeam release 3010n stamp 19039..Content-Length: 236....v=0..o=- 184980
  30 18498049 IN IP4 192.168.2.18..s=eyeBeam..c=IN IP4 202.XXX.60.XXX..t=0 0..m=audio 10108 RTP/AVP 8 18 5 101..a=alt:1 1 : 3
  E35CA80 000000D3 192.168.2.18 8470..a=fmtp:101 0-15..a=rtpmap:101 telephone-event/8000..a=sendrecv..
#
U 202.80.XXX.XXX:1443 -> 202.XXX.60.XXX:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP 202.XXX.60.XXX;branch=z9hG4bK39ec.b7193062.0..Contact: <sip:6468621545 at 192.168.2.18:8469>.
  .To: <sip:6468621545 at 202.XXX.60.XXX>;tag=023e0170..From: "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236
  e2f50004a44 at SkFZRVNI..CSeq: 2 CANCEL..User-Agent: eyeBeam release 3010n stamp 19039..Content-Length: 0....
#
U 202.80.XXX.XXX:1443 -> 202.XXX.60.XXX:5060
  SIP/2.0 487 Request Terminated..Via: SIP/2.0/UDP 202.XXX.60.XXX;branch=z9hG4bK39ec.b7193062.0..Via: SIP/2.0/UDP 192.168.2.1
  8:8466;received=202.80.XXX.XXX;branch=z9hG4bK-d87543-c63a9f56aa2b013d-1--d87543-;rport=2650..To: <sip:6468621545 at 202.80.61
  .10>;tag=023e0170..From: "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..CSeq: 2
  INVITE..User-Agent: eyeBeam release 3010n stamp 19039..Content-Length: 0....
#
U 202.XXX.60.XXX:5060 -> 202.80.XXX.XXX:1443
  ACK sip:6468621545 at 192.168.2.18:8469 SIP/2.0..Via: SIP/2.0/UDP 202.XXX.60.XXX;branch=z9hG4bK39ec.b7193062.0..From: "jayesh"
  <sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..To: <sip:6468621545 at 202.XXX.60.XXX>;tag=023
  e0170..CSeq: 2 ACK..User-Agent: OpenSer (1.1.0-dev16 -notls (i386/linux))..Content-Length: 0....
#
U 202.80.XXX.XXX:1443 -> 202.XXX.60.XXX:5060
  SIP/2.0 180 Ringing..Via: SIP/2.0/UDP 202.XXX.60.XXX;branch=z9hG4bK49ec.e5a8534.0..Via: SIP/2.0/UDP 192.168.2.18:8466;recei
  ved=202.80.XXX.XXX;branch=z9hG4bK-d87543-1b1c6b50b550ef43-1--d87543-;rport=2650..Record-Route: <sip:202.XXX.60.XXX:5060;lr;n
  at=yes;ftag=1b0d5617>..Contact: <sip:6468621545 at 192.168.2.18:8469>..To: <sip:6468621545 at 202.XXX.60.XXX>;tag=f6570b78..From:
   "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-ID: 83236e2f50004a44 at SkFZRVNI..CSeq: 3 INVITE..User-Agent: eyeB
  eam release 3010n stamp 19039..Content-Length: 0....
#
U 202.XXX.60.XXX:5060 -> 202.80.XXX.XXX:2650
  SIP/2.0 180 Ringing..Via: SIP/2.0/UDP 192.168.2.18:8466;received=202.80.XXX.XXX;branch=z9hG4bK-d87543-1b1c6b50b550ef43-1--
  d87543-;rport=2650..Record-Route: <sip:202.XXX.60.XXX:5060;lr;nat=yes;ftag=1b0d5617>..Contact: <sip:6468621545 at 202.80.61.25
  4:1443>..To: <sip:6468621545 at 202.XXX.60.XXX>;tag=f6570b78..From: "jayesh"<sip:6468621547 at 202.XXX.60.XXX>;tag=1b0d5617..Call-I
  D: 83236e2f50004a44 at SkFZRVNI..CSeq: 3 INVITE..User-Agent: eyeBeam release 3010n stamp 19039..Content-Length: 0....

  The one that I have made bold is the forwarded number. It recognises but it somehow again asks for proxy authentication after the call is forwarded.
  User 6468621545 has forwarded the call on no answer to 00919833171405.

  Please help me in this regard as many must have used that script.

  w/regards,
  jayesh.

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