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Re: [reSIProcate-users] o= line in SDP


After some digging around, according to rfc3264, it looks like the Session ID in the “o=” line must be representable by a 64-bit signed integer.  I believe anything longer than 20 digits would not qualify, and this is the source of the error.

 

If someone could confirm that would be great.

 

Thanks,

Mike

 

From: Mike Hubbard [mailto:mike.hubbard@xxxxxxx]
Sent: Friday, June 12, 2015 11:36 AM
To: resiprocate-users@xxxxxxxxxxxxxxx
Subject: [reSIProcate-users] o= line in SDP

 

Hello,

 

I have an application that is returning an error in ParseBuffer.cxx.  This is the output from the exception  (with the IP address obfuscated):

 

Parse failed Overflow detected. in context: Contents

v=0

o=Rms-11-301-1647-18-1641486 113011816474279238672 855679187 IN IP4 x.y.z.w[CRLF]

                                                 ^[CRLF]

s=-

c=IN IP4 x.y.z.w

t=0 0

a=sendrecv

m=audio 34806 RTP/AVP 18 0 8 101

a=rtpmap:18 G729/8000

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=maxptime:40

 

Would anyone possibly be able to shed some light on what is going with the “[CRLF]” and “^[CRLF]” after the “o=” line?  When I look at the raw SIP message in Wireshark, I can’t see any strange characters after the “o=” line.

 

Thanks for any insight on this.

 

Regards,

Mike