[OpenSER-Users] Possible bug when appending "a=nortpproxy:yes" ?

mayamatakeshi mayamatakeshi at gmail.com
Wed Jun 25 17:25:17 CEST 2008


You are right.
SIPp fails to add CRLF.
Thank you.

Regards,
Takeshi.

On Thu, Jun 26, 2008 at 12:00 AM, Klaus Darilion <
klaus.mailinglists at pernau.at> wrote:

> I suspect that the SDP does not contain CRLF at the end of the last line.
>
> If this is the case, the SDP is not correct:
>
> From RFC 4566:
>
>   Text fields such as the session name and information are octet
>   strings that may contain any octet with the exceptions of 0x00 (Nul),
>   0x0a (ASCII newline), and 0x0d (ASCII carriage return).  The sequence
>   CRLF (0x0d0a) is used to end a record, although parsers SHOULD be
>   tolerant and also accept records terminated with a single newline
>   character.
>
> Nevertheless openser should be tolerant and add the CRLF itself.
>
> regards
> klaus
>
>
> mayamatakeshi schrieb:
>
>> Hello,
>>
>> I'm testing with OpenSER 1.3.x revision 4393 with RTPProxy.
>> I'm trying to make a call from a Nokia E51 to a SIPp instance started
>> with:
>> sipp -sn uas -p 6060 -mp 4000
>>
>> The INVITE goes thru OpenSER to SIPp and then, SIPp replies with this:
>>
>> SIPp to OpenSER:
>> SIP/2.0 200 OK
>> Via: SIP/2.0/UDP 210.126.5.158 <http://210.126.5.158>;branch=z9hG4bK9c1e.f06224f3.0,
>> SIP/2.0/UDP 192.168.0.4:5060;received=123.224.149.169 <
>> http://123.224.149.169>;branch=z9hG4bK5j85u8aa6jpebhelr55b8bj;rport=64351
>> From: <sip:1000 at 210.126.5.158 <sip%3A1000 at 210.126.5.158> <mailto:
>> sip%3A1000 at 210.126.5.158 <sip%253A1000 at 210.126.5.158>
>> >>;tag=r5hbkuj8mlhc6o184cms
>> To: <sip:22222222 at 210.126.5.158 <sip%3A22222222 at 210.126.5.158> <mailto:
>> sip%3A22222222 at 210.126.5.158 <sip%253A22222222 at 210.126.5.158>
>> >;user=phone>;tag=28909SIPpTag013
>> Call-ID: nLPxHi_hoIf-POcJ7OKojntw2wgQle
>> CSeq: 7342 INVITE
>> Contact: <sip:192.168.88.16:6060;transport=UDP>
>> Content-Type: application/sdp
>> Content-Length:   135
>>
>> v=0
>> o=user1 53655765 2353687637 IN IP4 192.168.88.16 <http://192.168.88.16>
>> s=-
>> c=IN IP4 192.168.88.16 <http://192.168.88.16>
>> t=0 0
>> m=audio 4000 RTP/AVP 0
>> a=rtpmap:0 PCMU/8000
>>
>>
>> But when OpenSER relays this to E51, I can see it is adding
>> "a=nortpproxy:yes" immediatelly after the the last characters in the SDP
>> instead of prepending a CRLF.
>>
>> OpenSER to Caller
>> SIP/2.0 200 OK
>> Via: SIP/2.0/UDP 192.168.0.4:5060;received=123.224.149.169 <
>> http://123.224.149.169>;branch=z9hG4bK5j85u8aa6jpebhelr55b8bj;rport=64351
>> From: <sip:1000 at 210.126.5.158 <sip%3A1000 at 210.126.5.158> <mailto:
>> sip%3A1000 at 210.126.5.158 <sip%253A1000 at 210.126.5.158>
>> >>;tag=r5hbkuj8mlhc6o184cms
>> To: <sip:22222222 at 210.126.5.158 <sip%3A22222222 at 210.126.5.158> <mailto:
>> sip%3A22222222 at 210.126.5.158 <sip%253A22222222 at 210.126.5.158>
>> >;user=phone>;tag=28909SIPpTag013
>> Call-ID: nLPxHi_hoIf-POcJ7OKojntw2wgQle
>> CSeq: 7342 INVITE
>> Contact: <sip:210.126.5.158:6060;transport=UDP;nat=yes>
>> Content-Type: application/sdp
>> Content-Length: 154
>>
>> v=0
>> o=user1 53655765 2353687637 IN IP4 192.168.88.16 <http://192.168.88.16>
>> s=-
>> c=IN IP4 210.126.5.158 <http://210.126.5.158>
>> t=0 0
>> m=audio 36740 RTP/AVP 0
>> a=rtpmap:0 PCMU/8000a=nortpproxy:yes
>>
>> Because of this, E51 ignores the message and doesn't send ACK.
>> I believe this is a bug in OpenSER.
>>
>> Thanks,
>> Takeshi
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.openser.org
>> http://lists.openser.org/cgi-bin/mailman/listinfo/users
>>
>
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