Hi,

Record routes in SUBSCRIBE is not honored in NOTIFY, In my case i am having 3 record routes in SUBSCRIBE, but only one i.e top record route is used for NOTIFY is causing routing issue. I am using freeswitch version 1.6.17 for testing.

Following is the trace for SUBSCRIBE and NOTIFY at freeswitch. 

T 2017/06/13 08:20:14.868294 10.1.30.27:55503 -> 10.2.30.63:5060 [AP]

SUBSCRIBE sip:500@52.64.221.219:5060;transport=tcp SIP/2.0

Record-Route: <sip:10.1.30.27:5060;transport=tcp;ftag=46baee66;lr>

Record-Route: <sip:10.1.30.174;transport=tcp;r2=on;lr=on>

Record-Route: <sip:10.1.30.178:5061;transport=tls;r2=on;lr=on>

Via: SIP/2.0/TCP 10.1.30.199;branch=z9hG4bKc038.62a9c22ab84694b453503a45210a1392.0;i=1

Via: SIP/2.0/TCP 10.1.30.174;branch=z9hG4bKc038.8d466a0ae4f1821a3f0d08e6602cdadc.0;i=82

Via: SIP/2.0/TLS 10.1.30.146:51890;received=10.1.30.146;rport=51890;branch=z9hG4bKd1633fda00007

From: "RamanTest"<sip:ramantest@freeconf.com>;tag=46baee66

To: "sip:500@freeconf.com"<sip:500@freeconf.com;transport=tls>;tag=pv4B8Q9XUDtgD

Call-ID: 2d118609-1@10.1.30.180

CSeq: 1805684444 SUBSCRIBE

Max-Forwards: 69

Contact: "RamanTest"<sip:ramantest@10.1.30.146:51890;transport=tls>

User-Agent: TestConference

Event: conference

Expires: 3600

Allow: INVITE,ACK,BYE,CANCEL,REFER,NOTIFY,OPTIONS,PRACK,UPDATE,INFO,MESSAGE,SUBSCRIBE,PUBLISH

Allow-Events: refer, presence

Supported: replaces, timer, gruu, join

Date: Tue, 13 Jun 2017 08:24:00 GMT

Content-Length: 0

##

T 2017/06/13 08:20:14.873026 10.2.30.63:5060 -> 10.1.30.27:55503 [AP]

SIP/2.0 202 Accepted

Via: SIP/2.0/TCP 10.1.30.199;branch=z9hG4bKc038.62a9c22ab84694b453503a45210a1392.0;i=1;received=10.1.30.27;rport=55503

Via: SIP/2.0/TCP 10.1.30.174;branch=z9hG4bKc038.8d466a0ae4f1821a3f0d08e6602cdadc.0;i=82

Via: SIP/2.0/TLS 10.1.30.146:51890;received=10.1.30.146;rport=51890;branch=z9hG4bKd1633fda00007

Record-Route: <sip:10.1.30.27:5060;transport=tcp;ftag=46baee66;lr>

Record-Route: <sip:10.1.30.174;transport=tcp;r2=on;lr=on>

Record-Route: <sip:10.1.30.178:5061;transport=tls;r2=on;lr=on>

From: "RamanTest" <sip:ramantest@freeconf.com>;tag=46baee66

To: "sip:500@freeconf.com" <sip:500@freeconf.com;transport=tls>;tag=pv4B8Q9XUDtgD

Call-ID: 2d118609-1@10.1.30.180

CSeq: 1805684444 SUBSCRIBE

Contact: <sip:500@52.64.221.219:5060;transport=tcp>

Expires: 3600

User-Agent: FreeSWITCH-mod_sofia/1.6.17~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Subscription-State: active;expires=3600

Content-Length: 0

####

T 2017/06/13 08:20:15.173591 10.2.30.63:58879 -> 10.1.30.27:5060 [AP]

NOTIFY sip:ramantest@10.1.30.146:51890;transport=tls SIP/2.0

Via: SIP/2.0/TCP 52.64.221.219;rport;branch=z9hG4bKvr9Kyp8Fe829g

Route: <sip:10.1.30.27:5060>;transport=tcp;ftag=46baee66;lr

Record-Route: <sip:10.1.30.27:5060>;transport=tcp;ftag=46baee66;lr

Max-Forwards: 70

From: "sip:500@freeconf.com" <sip:500@freeconf.com;transport=tls>;tag=pv4B8Q9XUDtgD;tag=pv4B8Q9XUDtgD

To: "RamanTest" <sip:ramantest@freeconf.com>;tag=46baee66

Call-ID: 2d118609-1@10.1.30.180

CSeq: 705660701 NOTIFY

Contact: <sip:500@52.64.221.219:5060;transport=tcp>;isfocus

User-Agent: FreeSWITCH-mod_sofia/1.6.17~64bit

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE

Supported: timer, path, replaces

Event: conference

Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer

Subscription-State: active;expires=3600

Content-Type: application/conference-info+xml

Content-Length: 1028

<?xml version="1.0"?>

<conference-info version="1" state="full" xmlns="urn:ietf:params:xml:ns:conference-info" entity="sip:500@freeconf.com">

  <conference-description>

    <display-text>FreeSWITCH Conference</display-text>

    <conf-uris>

      <entry>

        <uri>sip:500@freeconf.com</uri>

      </entry>

    </conf-uris>

  </conference-description>

  <conference-state>

    <user-count>1</user-count>

    <active>true</active>

  </conference-state>

  <users>

    <user state="full" entity="sip:ramantest@freeconf.com">

      <display-text>RamanTest</display-text>

      <endpoint entity="sip:ramantest@freeconf.com">

        <display-text>RamanTest</display-text>

        <status>connected</status>

        <joining-info>

          <when>2017-06-13T08:20:13+00:00</when>

        </joining-info>

        <media id="2a">

          <type>audio</type>

          <src-id>4048072604</src-id>

          <status>sendrecv</status>

        </media>

      </endpoint>

    </user>

  </users>

</conference-info>

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