[Freeswitch-users] Expires in INVITE after challenge

[Spencer Thomason]

Hello all,
I’ve been reviewing a bunch of pcaps today during interop with a new ULC and I noticed that our FreeSWITCH instances send an Expires header in the INVITE that wasn’t present before the challenge.

I’ve got <param name="enable-timer" value="false”/> set in the profile, am I missing something?

Thanks!
Spencer

Trace excerpt below:
#
U A.A.A.A:5080 -> B.B.B.B:5060
INVITE sip:1NPANXX2222 at B.B.B.B SIP/2.0.
Via: SIP/2.0/UDP A.A.A.A:5080;rport;branch=z9hG4bKjp8H9Q9vUvmZp.
Max-Forwards: 69.
From: "DISPLAY NAME" <sip:1NPANXX1111 at A.A.A.A>;tag=gFX13g0aS2Z8D.
To: <sip:1NPANXX2222 at B.B.B.B>.
Call-ID: 9b82c095-1e10-1233-a19e-001851124686.
CSeq: 70696564 INVITE.
Contact: <sip:gw+GW-NAME at A.A.A.A:5080;transport=udp;gw=GW-NAME>.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE.
Supported: path.
Privacy: none.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 286.
P-Asserted-Identity: "DISPLAY NAME" <sip:1NPANXX1111 at A.A.A.A>.
.
v=0.
o=WSC_PBX 1422043530 1422043531 IN IP4 A.A.A.A.
s=SIP Media Capabilities.
c=IN IP4 A.A.A.A.
t=0 0.
m=audio 21726 RTP/AVP 0 18 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=silenceSupp:off - - - -.
a=ptime:20.

#
U B.B.B.B:5060 -> A.A.A.A:5080
SIP/2.0 407 Proxy Authentication Required.
Via: SIP/2.0/UDP A.A.A.A:5080;rport=5080;branch=z9hG4bKjp8H9Q9vUvmZp.
From: "DISPLAY NAME" <sip:1NPANXX1111 at A.A.A.A>;tag=gFX13g0aS2Z8D.
To: <sip:1NPANXX2222 at B.B.B.B>;tag=45e7e4a19f9e2adbb8c0c696f8c31422.8a84.
Call-ID: 9b82c095-1e10-1233-a19e-001851124686.
CSeq: 70696564 INVITE.
Proxy-Authenticate: Digest realm="A.A.A.A", nonce="VMRPz1TC/k8QLkFKz6mNTenFQ4hT8yIrSb4tyoA=", qop="auth".
Content-Length: 0.
.

#
U A.A.A.A:5080 -> B.B.B.B:5060
ACK sip:1NPANXX2222 at B.B.B.B SIP/2.0.
Via: SIP/2.0/UDP A.A.A.A:5080;rport;branch=z9hG4bKjp8H9Q9vUvmZp.
Max-Forwards: 69.
From: "DISPLAY NAME" <sip:1NPANXX1111 at A.A.A.A>;tag=gFX13g0aS2Z8D.
To: <sip:1NPANXX2222 at B.B.B.B>;tag=45e7e4a19f9e2adbb8c0c696f8c31422.8a84.
Call-ID: 9b82c095-1e10-1233-a19e-001851124686.
CSeq: 70696564 ACK.
Content-Length: 0.
.

#
U A.A.A.A:5080 -> B.B.B.B:5060
INVITE sip:1NPANXX2222 at B.B.B.B SIP/2.0.
Via: SIP/2.0/UDP A.A.A.A:5080;rport;branch=z9hG4bKKZ1aBKt0r5ajj.
Max-Forwards: 69.
From: "DISPLAY NAME" <sip:1NPANXX1111 at A.A.A.A>;tag=gFX13g0aS2Z8D.
To: <sip:1NPANXX2222 at B.B.B.B>.
Call-ID: 9b82c095-1e10-1233-a19e-001851124686.
CSeq: 70696565 INVITE.
Contact: <sip:gw+GW-NAME at A.A.A.A:5080;transport=udp;gw=GW-NAME>.
Expires: 90.
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE.
Supported: path.
Proxy-Authorization: Digest username="8729701", realm="A.A.A.A", nonce="VMRPz1TC/k8QLkFKz6mNTenFQ4hT8yIrSb4tyoA=", cnonce="m4QpfR4QEjOeoQAYURJGhg", algorithm=MD5, uri="sip:1NPANXX2222 at B.B.B.B", response="744aa6cda6803838bcf8c87d1810c6ed", qop=auth, nc=00000001.
Privacy: none.
Content-Type: application/sdp.
Content-Disposition: session.
Content-Length: 286.
P-Asserted-Identity: "DISPLAY NAME" <sip:1NPANXX1111 at A.A.A.A>.
.
v=0.
o=WSC_PBX 1422043530 1422043531 IN IP4 A.A.A.A.
s=SIP Media Capabilities.
c=IN IP4 A.A.A.A.
t=0 0.
m=audio 21726 RTP/AVP 0 18 101.
a=rtpmap:0 PCMU/8000.
a=rtpmap:18 G729/8000.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-16.
a=silenceSupp:off - - - -.
a=ptime:20.




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