U 2013/06/23 18:49:07.872190 <phone location ip>:55010 -> <fs server ip>:5060
REFER sip:mod_sofia@<fs server ip>:5060 SIP/2.0.
Via: SIP/2.0/UDP <phone location ip>:55010;rport;branch=z9hG4bK999463310.
From: <sip:1234@<phone location ip>:55010>;tag=855309167.
To: "Sales" <sip:1001@<fs server ip>>;tag=tBDrK0m2QgFNQ.
Call-ID: ecca222a-56f9-1231-7d9e-00185153bda5.
CSeq: 45677805 REFER.
Contact: <sip:1234@<phone location ip>:55010>.
Max-Forwards: 70.
Proxy-Require: 0.
User-Agent: Yealink SIP-T20P 9.61.0.70.
Refer-To: <sip:1111@a.domain1.com?Replaces=1995681538%40192.168.1.6%3Bto-tag%3DZrBmv78K9vyjH%3Bfrom-tag%3D1368305041>.
Referred-By: <sip:1234@192.168.1.6:5062>.
Event: refer.
Content-Length: 0.
.


U 2013/06/23 18:49:07.881106 <fs server ip>:5060 -> <phone location ip>:55010
SIP/2.0 202 Accepted.
Via: SIP/2.0/UDP <phone location ip>:55010;rport=55010;branch=z9hG4bK999463310.
From: <sip:1234@<phone location ip>:55010>;tag=855309167.
To: "Sales" <sip:1001@<fs server ip>>;tag=tBDrK0m2QgFNQ.
Call-ID: ecca222a-56f9-1231-7d9e-00185153bda5.
CSeq: 45677805 REFER.
Contact: <sip:mod_sofia@<fs server ip>:5060>.
Expires: 60.
User-Agent:  agent 1.0.2.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: precondition, path, replaces.
Allow-Events: talk, hold, conference, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Content-Length: 0.
.
U 2013/06/23 18:49:07.882711 <fs server ip>:5060 -> <fs server ip>:5060
INVITE sip:1111@a.domain1.com SIP/2.0.
Via: SIP/2.0/UDP <fs server ip>;rport;branch=z9hG4bKH78ttSZ3maHgK.
Max-Forwards: 70.
From: "Sales" <sip:1001@<fs server ip>>;tag=5e3869D9Qj42p.
To: <sip:1111@a.domain1.com>.
Call-ID: f437dc46-56f9-1231-7d9e-00185153bda5.
CSeq: 45677809 INVITE.
Contact: <sip:mod_sofia@<fs server ip>:5060>.
User-Agent:  agent 1.0.2.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: precondition, path, replaces.
Allow-Events: talk, hold, conference, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Replaces: 1995681538@192.168.1.6;to-tag=ZrBmv78K9vyjH;from-tag=1368305041.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 317.
X-FS-Support: update_display,send_info.
Remote-Party-ID: "Sales" <sip:1001@<fs server ip>>;party=calling;screen=yes;privacy=off.
.
v=0.
o=FreeSWITCH 1372002853 1372002854 IN IP4 <fs server ip>.
s=FreeSWITCH.
c=IN IP4 <fs server ip>.
t=0 0.
m=audio 24894 RTP/AVP 98 99 9 0 8 3 101 13.
a=rtpmap:98 G7221/32000.
a=fmtp:98 bitrate=48000.
a=rtpmap:99 G7221/16000.
a=fmtp:99 bitrate=32000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=ptime:20.


U 2013/06/23 18:49:07.882958 <fs server ip>:5060 -> <fs server ip>:5060
SIP/2.0 100 Trying.
Via: SIP/2.0/UDP <fs server ip>;rport=5060;branch=z9hG4bKH78ttSZ3maHgK.
From: "Sales" <sip:1001@<fs server ip>>;tag=5e3869D9Qj42p.
To: <sip:1111@a.domain1.com>.
Call-ID: f437dc46-56f9-1231-7d9e-00185153bda5.
CSeq: 45677809 INVITE.
User-Agent:  agent 1.0.2.
Content-Length: 0.
.
U 2013/06/23 18:49:07.908313 <fs server ip>:5060 -> <fs server ip>:5060
SIP/2.0 404 Not Found.
Via: SIP/2.0/UDP <fs server ip>;rport=5060;branch=z9hG4bKH78ttSZ3maHgK.
Max-Forwards: 70.
From: "Sales" <sip:1001@<fs server ip>>;tag=5e3869D9Qj42p.
To: <sip:1111@a.domain1.com>;tag=6Qv184ycNUtNj.
Call-ID: f437dc46-56f9-1231-7d9e-00185153bda5.
CSeq: 45677809 INVITE.
User-Agent:  agent 1.0.2.
Accept: application/sdp.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: precondition, path, replaces.
Allow-Events: talk, hold, conference, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Reason: Q.850;cause=3;text="NO_ROUTE_DESTINATION".
Content-Length: 0.
X-FS-Display-Name: 1111.
X-FS-Display-Number: sip:1111@a.domain1.com.
Remote-Party-ID: "1111" <sip:1111@a.domain1.com>;party=calling;privacy=off;screen=no.
.


U 2013/06/23 18:49:07.908464 <fs server ip>:5060 -> <fs server ip>:5060
ACK sip:1111@a.domain1.com SIP/2.0.
Via: SIP/2.0/UDP <fs server ip>;rport;branch=z9hG4bKH78ttSZ3maHgK.
Max-Forwards: 70.
From: "Sales" <sip:1001@<fs server ip>>;tag=5e3869D9Qj42p.
To: <sip:1111@a.domain1.com>;tag=6Qv184ycNUtNj.
Call-ID: f437dc46-56f9-1231-7d9e-00185153bda5.
CSeq: 45677809 ACK.
Content-Length: 0.
.


U 2013/06/23 18:49:07.924432 <fs server ip>:5060 -> <phone location ip>:55010
NOTIFY sip:1234@<phone location ip>:55010 SIP/2.0.
Via: SIP/2.0/UDP <fs server ip>;rport;branch=z9hG4bKjg2Kvmg7HK72e.
Max-Forwards: 70.
From: "Sales" <sip:1001@<fs server ip>>;tag=tBDrK0m2QgFNQ.
To: <sip:1234@<phone location ip>:55010>;tag=855309167.
Call-ID: ecca222a-56f9-1231-7d9e-00185153bda5.
CSeq: 45677805 NOTIFY.
Contact: <sip:mod_sofia@<fs server ip>:5060>.
User-Agent:  agent 1.0.2.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE.
Supported: precondition, path, replaces.
Event: refer;id=45677805.
Allow-Events: talk, hold, conference, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer.
Subscription-State: terminated;reason=noresource.
Content-Type: message/sipfrag.
Content-Length: 23.
.
SIP/2.0 403 Forbidden.