SIP2SIP

Hello,

Why does the audio stop playing when I call wbdemo@conf.zipdx.com and press 2? The purpose of pressing 2 is for a re-invite.

Full sip_trace.log attached for the session of the call and the sip2sip logs.

I see this in the sip2sip logs:
Packet 13 at 2015-09-25 20:34:00 from 209.12.167.61 to 81.23.228.150 (in)

SIP/2.0 488 Not Acceptable Here
Via: SIP/2.0/TLS 81.23.228.150:443;received=81.23.228.150;branch=z9hG4bKc587.fa05fde1.0
Via: SIP/2.0/UDP 76.74.151.123:5060;branch=z9hG4bK56059398-0000-4fa8ee65-be1113ee-7328055d
Record-Route: <sip:81.23.228.150:443;transport=tls;lr;r2=on;ftag=tlrx-62b21019-5605938c>
Record-Route: <sip:81.23.228.150;lr;r2=on;ftag=tlrx-62b21019-5605938c>
Call-ID: 3f9e502e12be48d186308cfbb470e79c
From: <sip:wbdemo@conf.zipdx.com>;tag=tlrx-62b21019-5605938c
To: "sean" <sip:2600@sip2sip.info>;tag=a669407dffbc4c669dd089658553c298
CSeq: 10197929 INVITE
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER
Supported: 100rel, replaces, norefersub, gruu
Server: SIP2SIP 2.1.1 (Windows)
Content-Length: 0

Thanks,
Sean