[OpenSIPS-Users] Call Pickup not working for Outbound to Inbound calls

osiris123d duane.larson at gmail.com
Wed Jul 7 03:19:29 CEST 2010 

I successfully have Call Pickup working between internal users but when I
have a PSTN user call Internal User A and then Internal User B tries to do a
call pickup I get a "481 call leg does not exist".  When the PSTN call comes
in from my Vitelity SIP provider I see that they support the following

Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY.
Supported: replaces.

Is what I am trying to do possible?  Here is a sip trace of the issue (it
starts with Internal User B sending the invite to try and pickup the call
from the PSTN user to User A)

U 2010/07/05 21:35:23.016955 75.x.x.158:1025 -> 173.x.x.134:5060
INVITE sip:9xx83x3xx2 at 64.2.142.15 SIP/2.0.
Via: SIP/2.0/UDP 192.168.0.12:2077;branch=z9hG4bK-2peqfmxxyu5c;rport.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 1 INVITE.
Max-Forwards: 70.
Contact: <sip:9xx27x2xx1 at 192.168.0.12:2077;line=dkpvlkre>;reg-id=1.
Replaces:
4df4f89829fad0997025b2d5532d7bdf at 64.2.142.15;to-tag=as55840b13;from-tag=5667c613.
X-Serialnumber: 0004132314FF.
P-Key-Flags: resolution="31x13", keys="4".
User-Agent: snom360/8.2.29.
Accept: application/sdp.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK,
MESSAGE, INFO, UPDATE.
Allow-Events: talk, hold, refer, call-info.
Supported: timer, 100rel, replaces, from-change.
Session-Expires: 3600;refresher=uas.
Min-SE: 90.
Content-Type: application/sdp.
Content-Length: 391.
.
v=0.
o=root 454576176 454576176 IN IP4 192.168.0.12.
s=call.
c=IN IP4 192.168.0.12.
t=0 0.
m=audio 50978 RTP/AVP 0 8 9 103 3 18 4 101.
a=rtpmap:0 pcmu/8000.
a=rtpmap:8 pcma/8000.
a=rtpmap:9 g722/8000.
a=rtpmap:103 g726-32/8000.
a=rtpmap:3 gsm/8000.
a=rtpmap:18 g729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:4 g723/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.
a=sendrecv.

#
U 2010/07/05 21:35:23.018808 173.x.x.134:5060 -> 75.x.x.158:1025
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/UDP
192.168.0.12:2077;branch=z9hG4bK-2peqfmxxyu5c;rport=1025;received=75.x.x.158.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>;tag=fa9ad7a35cf4c9d5a26f33f3220f505e.db11.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 1 INVITE.
Proxy-Authenticate: Digest realm="irock.com",
nonce="4c32968970613f35e44f447288865f39b1af9c25", qop="auth".
Server: AE SIP Proxy.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.092585 75.x.x.158:1025 -> 173.x.x.134:5060
ACK sip:9xx83x3xx2 at 64.2.142.15 SIP/2.0.
Via: SIP/2.0/UDP 192.168.0.12:2077;branch=z9hG4bK-2peqfmxxyu5c;rport.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>;tag=fa9ad7a35cf4c9d5a26f33f3220f505e.db11.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 1 ACK.
Max-Forwards: 70.
Contact: <sip:9xx27x2xx1 at 192.168.0.12:2077;line=dkpvlkre>;reg-id=1.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.109251 75.x.x.158:1025 -> 173.x.x.134:5060
INVITE sip:9xx83x3xx2 at 64.2.142.15 SIP/2.0.
Via: SIP/2.0/UDP 192.168.0.12:2077;branch=z9hG4bK-whzk6bav7ueb;rport.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 2 INVITE.
Max-Forwards: 70.
Contact: <sip:9xx27x2xx1 at 192.168.0.12:2077;line=dkpvlkre>;reg-id=1.
Replaces:
4df4f89829fad0997025b2d5532d7bdf at 64.2.142.15;to-tag=as55840b13;from-tag=5667c613.
X-Serialnumber: 0004132314FF.
P-Key-Flags: resolution="31x13", keys="4".
User-Agent: snom360/8.2.29.
Accept: application/sdp.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK,
MESSAGE, INFO, UPDATE.
Allow-Events: talk, hold, refer, call-info.
Supported: timer, 100rel, replaces, from-change.
Session-Expires: 3600;refresher=uas.
Min-SE: 90.
Proxy-Authorization: Digest
username="9xx27x2xx1",realm="irock.com",nonce="4c32968970613f35e44f447288865f39b1af9c25",uri="sip:9xx83x3xx2 at 64.2.142.15",qop=auth,nc=00000001,cnonce="79abe95f",response="1fd49a7fdf2da6c8f8e5728bc69b49fc",algorithm=MD5.
Content-Type: application/sdp.
Content-Length: 391.
.
v=0.
o=root 454576176 454576176 IN IP4 192.168.0.12.
s=call.
c=IN IP4 192.168.0.12.
t=0 0.
m=audio 50978 RTP/AVP 0 8 9 103 3 18 4 101.
a=rtpmap:0 pcmu/8000.
a=rtpmap:8 pcma/8000.
a=rtpmap:9 g722/8000.
a=rtpmap:103 g726-32/8000.
a=rtpmap:3 gsm/8000.
a=rtpmap:18 g729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:4 g723/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
#
U 2010/07/05 21:35:23.129530 173.x.x.134:5060 -> 173.x.x.134:5060
PUBLISH sip:9xx27x2xx1 at irock.com SIP/2.0.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bK3d0b.b751b896.0.
To: sip:9xx27x2xx1 at irock.com.
From: <sip:9xx27x2xx1 at irock.com>;tag=144b207508c0e0296792f226e399eaf5-1cb8.
CSeq: 10 PUBLISH.
Call-ID: 41d706004e80f741-32346 at 173.x.x.134.
Content-Length: 485.
User-Agent: OpenSIPS (1.6.2-notls (x86_64/linux)).
Max-Forwards: 70.
Event: dialog.
Expires: 3601.
Content-Type: application/dialog-info+xml.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="0"
state="full" entity="sip:9xx27x2xx1 at irock.com"><dialog
id="3c27c0c40a8e-c8exk4s3gwo5" call-id="3c27c0c40a8e-c8exk4s3gwo5"
direction="initiator"><state>trying</state><remote><identity>sip:9xx83x3xx2 at 64.2.142.15</identity><target
uri="sip:9xx83x3xx2 at 64.2.142.15"/></remote><local><identity>sip:9xx27x2xx1 at irock.com</identity><target
uri="sip:9xx27x2xx1 at irock.com"/></local></dialog></dialog-info>

#
U 2010/07/05 21:35:23.134007 173.x.x.134:5060 -> 173.x.x.134:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bK3d0b.b751b896.0.
To: sip:9xx27x2xx1 at irock.com;tag=a93952c7ce25f579a59b9db9d9acf225-6f03.
From: <sip:9xx27x2xx1 at irock.com>;tag=144b207508c0e0296792f226e399eaf5-1cb8.
CSeq: 10 PUBLISH.
Call-ID: 41d706004e80f741-32346 at 173.x.x.134.
Expires: 3600.
SIP-ETag: a.1278333080.32345.74.0.
Server: AE SIP Proxy.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.135708 173.x.x.134:5060 -> 75.x.x.158:1025
NOTIFY sip:9xx27x2xx1 at 75.x.x.158:1025;line=dkpvlkre SIP/2.0.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bK9b38.fac2538.0.
To: <sip:9xx27x2xx1 at irock.com>;tag=vri90l495g.
From: <sip:9xx27x2xx1 at irock.com>;tag=a93952c7ce25f579a59b9db9d9acf225-09f0.
CSeq: 87 NOTIFY.
Call-ID: 3c26702093d4-homlrpngufmc.
Content-Length: 551.
User-Agent: OpenSIPS (1.6.2-notls (x86_64/linux)).
Max-Forwards: 70.
Event: dialog.
Contact: <sip:173.x.x.134:5060>.
Subscription-State: active;expires=3031.
Content-Type: application/dialog-info+xml.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="86"         
state="full" entity="9xx27x2xx1 at irock.com">
  <dialog id="3c27c0c40a8e-c8exk4s3gwo5" call-id="3c27c0c40a8e-c8exk4s3gwo5"
direction="initiator">
    <state>trying</state>
    <remote>
      <identity>sip:9xx83x3xx2 at 64.2.142.15</identity>
      <target uri="sip:9xx83x3xx2 at 64.2.142.15"/>
    </remote>
    <local>
      <identity>sip:9xx27x2xx1 at irock.com</identity>
      <target uri="sip:9xx27x2xx1 at irock.com"/>
    </local>
  </dialog>
</dialog-info>

#
U 2010/07/05 21:35:23.136540 173.x.x.134:5060 -> 75.x.x.158:2078
NOTIFY sip:9xx27x2xx0 at 75.x.x.158:2078;line=b0k3fvw1 SIP/2.0.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bKa797.c6163445.0.
To: <sip:9xx27x2xx0 at irock.com>;tag=uliuf4ldc3.
From: <sip:9xx27x2xx1 at irock.com>;tag=a93952c7ce25f579a59b9db9d9acf225-529c.
CSeq: 84 NOTIFY.
Call-ID: 3c26701f776b-gq3wlg8vrtmb.
Content-Length: 551.
User-Agent: OpenSIPS (1.6.2-notls (x86_64/linux)).
Max-Forwards: 70.
Event: dialog.
Contact: <sip:173.x.x.134:5060>.
Subscription-State: active;expires=2050.
Content-Type: application/dialog-info+xml.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="83"         
state="full" entity="9xx27x2xx1 at irock.com">
  <dialog id="3c27c0c40a8e-c8exk4s3gwo5" call-id="3c27c0c40a8e-c8exk4s3gwo5"
direction="initiator">
    <state>trying</state>
    <remote>
      <identity>sip:9xx83x3xx2 at 64.2.142.15</identity>
      <target uri="sip:9xx83x3xx2 at 64.2.142.15"/>
    </remote>
    <local>
      <identity>sip:9xx27x2xx1 at irock.com</identity>
      <target uri="sip:9xx27x2xx1 at irock.com"/>
    </local>
  </dialog>
</dialog-info>

#
U 2010/07/05 21:35:23.166721 173.x.x.134:5060 -> 75.x.x.158:2078
....
#
U 2010/07/05 21:35:23.192674 173.x.x.134:5060 -> 75.x.x.158:1025
SIP/2.0 100 Giving a try.
Via: SIP/2.0/UDP
192.168.0.12:2077;branch=z9hG4bK-whzk6bav7ueb;rport=1025;received=75.x.x.158.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 2 INVITE.
Server: AE SIP Proxy.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.256504 75.x.x.158:2078 -> 173.x.x.134:5060
SIP/2.0 200 Ok.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bKa797.c6163445.0.
From: <sip:9xx27x2xx1 at irock.com>;tag=a93952c7ce25f579a59b9db9d9acf225-529c.
To: <sip:9xx27x2xx0 at irock.com>;tag=uliuf4ldc3.
Call-ID: 3c26701f776b-gq3wlg8vrtmb.
CSeq: 84 NOTIFY.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.260336 75.x.x.158:1025 -> 173.x.x.134:5060
SIP/2.0 200 Ok.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bK9b38.fac2538.0.
From: <sip:9xx27x2xx1 at irock.com>;tag=a93952c7ce25f579a59b9db9d9acf225-09f0.
To: <sip:9xx27x2xx1 at irock.com>;tag=vri90l495g.
Call-ID: 3c26702093d4-homlrpngufmc.
CSeq: 87 NOTIFY.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.270298 173.x.x.134:5060 -> 64.2.142.93:5060
INVITE sip:19xx83x3xx2 at pt1.vitelity.net:5060 SIP/2.0.
Record-Route:
<sip:173.x.x.134;lr=on;ftag=oydxjqj42f;nat=yes;did=dc3.d5d7dc11>.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bK104b.eef8e637.0.
Via: SIP/2.0/UDP
192.168.0.12:2077;received=75.x.x.158;branch=z9hG4bK-whzk6bav7ueb;rport=1025.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 2 INVITE.
Max-Forwards: 69.
Contact: <sip:9xx27x2xx1 at 75.x.x.158:1025;line=dkpvlkre>;reg-id=1.
Replaces:
4df4f89829fad0997025b2d5532d7bdf at 64.2.142.15;to-tag=as55840b13;from-tag=5667c613.
X-Serialnumber: 0004132314FF.
P-Key-Flags: resolution="31x13", keys="4".
User-Agent: snom360/8.2.29.
Accept: application/sdp.
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK,
MESSAGE, INFO, UPDATE.
Allow-Events: talk, hold, refer, call-info.
Supported: timer, 100rel, replaces, from-change.
Session-Expires: 3600;refresher=uas.
Min-SE: 90.
Content-Type: application/sdp.
Content-Length: 391.
P-hint: route(3)|setflag7,forcerport,fix_contact.
P-hint: inbound->outbound .
.
v=0.
o=root 454576176 454576176 IN IP4 192.168.0.12.
s=call.
c=IN IP4 192.168.0.12.
t=0 0.
m=audio 50978 RTP/AVP 0 8 9 103 3 18 4 101.
a=rtpmap:0 pcmu/8000.
a=rtpmap:8 pcma/8000.
a=rtpmap:9 g722/8000.
a=rtpmap:103 g726-32/8000.
a=rtpmap:3 gsm/8000.
a=rtpmap:18 g729/8000.
a=fmtp:18 annexb=no.
a=rtpmap:4 g723/8000.
a=rtpmap:101 telephone-event/8000.
a=fm
#
U 2010/07/05 21:35:23.305694 64.2.142.93:5060 -> 173.x.x.134:5060
SIP/2.0 100 Giving a try.
Via: SIP/2.0/UDP 173.x.x.134;branch=z9hG4bK104b.eef8e637.0;rport=5060.
Via: SIP/2.0/UDP
192.168.0.12:2077;received=75.x.x.158;branch=z9hG4bK-whzk6bav7ueb;rport=1025.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 2 INVITE.
Content-Length: 0.
.

#
U 2010/07/05 21:35:23.306369 64.2.142.93:5060 -> 173.x.x.134:5060
SIP/2.0 481 Call Leg Does Not Exist (Replaces).
Via: SIP/2.0/UDP
173.x.x.134;rport=5060;received=173.x.x.134;branch=z9hG4bK104b.eef8e637.0.
Via: SIP/2.0/UDP
192.168.0.12:2077;received=75.x.x.158;branch=z9hG4bK-whzk6bav7ueb;rport=1025.
From: "Blah 2001" <sip:9xx27x2xx1 at irock.com>;tag=oydxjqj42f.
To: <sip:9xx83x3xx2 at 64.2.142.15>;tag=as27aa6c7c.
Call-ID: 3c27c0c40a8e-c8exk4s3gwo5.
CSeq: 2 INVITE.
User-Agent: Asterisk PBX.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO.
Supported: replaces.
Content-Length: 0.
-- 
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