Presence and IntComm WG

[Jiri Kuthan <>]

Maybe that's because it advertises codec attributes for ILBC (97) but the
codec number 97 is not offered anywhere.

-jiri

At 05:36 PM 2/5/2004, Jeremy George wrote:

>  I have kphone 4.0 running on my laptop (RH9).  Sip-sip calls work
>fine.  Calls to the pstn through a Cisco gateway return 400 "Invalid
>SDP information."  Has anyone else encountered this?
>
>  A trace is attached.  First a successful sip-sip call and then
>a failed pstn call.
>
>- Jeremy
>
>-- 

U 130.132.113.25:5060 -> 130.132.1.50:5060
  INVITE 
sip::5060
 SIP/2.0..Max-Forwards: 10..Record
  -Route: 
<sip:;ftag=127014C8;lr=on>..Via:
 SIP/2.0
  /UDP 130.132.113.25;branch=z9hG4bK57c6.fdc44c52.0..Via: SIP/2.0/UDP 130.132
  .253.245;rport=5060..CSeq: 4740 INVITE..To: 
<sip:
  u>..Proxy-Authorization: Digest username="68299", realm="voice.yale.edu", n
  once="40227003e08f396dffd76aa20d833ee66bc1c254", 
uri="sip:918605248181@voic
  e.yale.edu", cnonce="abcdefghi", nc=00000001, response="0f7e98bd4b7fe518188
  dee92969e0e3c", opaque=""..Content-Type: application/sdp..From: "Jeremy Geo
  rge" 
<sip:>;tag=127014C8..Call-ID:
 

  53.245..Subject: 
sip:..Content-Length:
 166..User-Agent:
   kphone/4.0..Contact: "root" 
<sip:;transport=udp>..P-hi
  nt:  GATEWAY....v=0..o=username 0 0 IN IP4 130.132.253.245..s=The Funky Flo
  w..c=IN IP4 130.132.253.245..t=0 0..m=audio 32786 RTP/AVP 0 ..a=rtpmap:0 PC
  MU/8000..a=rtpmap:97 iLBC/8000..                                           
#
U 130.132.1.50:5060 -> 130.132.113.25:5060
  SIP/2.0 400 Bad Request - 'Invalid SDP information'..Via: SIP/2.0/UDP 130.1
  32.113.25;branch=z9hG4bK57c6.fdc44c52.0,SIP/2.0/UDP 130.132.253.245;rport=5
  060..From: "Jeremy George" 
<sip:>;tag=127014C8..To:
 <si
  
p:>..Date:
 Thu, 05 Feb 2004 16:27:03 GMT..Call-I
  D: 
..Server:
 Cisco-SIPGateway/IOS-12.x..CSeq: 474
  0 INVITE..Content-Length: 0....                       



--
Jiri Kuthan            http://iptel.org/~jiri/