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Re: [Linphone-developers] No response to OPTIONS or INFO messages?

From: Kevin Cross
Subject: Re: [Linphone-developers] No response to OPTIONS or INFO messages?
Date: Fri, 17 Sep 2010 09:28:58 -0400

Tested the INFO fix and it works :)
I did not see the OPTIONS fix on the repo yet, but wanted to make a quick comment about it.
Mirial (and apparently several other end-points) uses OPTIONS as keep-alive, so when it does not see a response to several of them it terminates the call.


On Fri, Sep 17, 2010 at 3:39 AM, Simon Morlat <address@hidden> wrote:
Hi Claudio,

Thanks for reporting. I'm fixing the problem.


Le lundi 13 septembre 2010 à 10:29 -0400, Kevin Cross a écrit :
> Hello,
> I was testing linphone against other endpoints and by looking at the
> trace I noticed that linphone does not reply to INFO msgs with media
> control messages it cannot handle.
> This causes the other endpoint to continuously send the same packet
> during the session.
> INFO sip:address@hidden SIP/2.0
> Content-Type: application/media_control+xml
> Content-Length: 163
> To: <sip:address@hidden>;tag=2063506250
> From: "user004" <sip:address@hidden>;tag=DLc57bafead1;epid=0x1ede7e0
> CSeq: 1 INFO
> Call-ID: 1119294776
> Max-Forwards: 70
> Via: SIP/2.0/UDP;branch=z9hG4bK-2e4a9fa1ed-DL
> Contact: "user004" <sip:address@hidden:5060>
> <?xml version="1.0"
> encoding="utf-8" ?><media_control><vc_primitive><to_encoder><change_bitrate>408400</change_bitrate></to_encoder></vc_primitive></media_control>
> Also, linphone did not response to an std OPTIONS request causing the
> other endpoint to continuously send the OPTIONS msg.
> OPTIONS sip:address@hidden SIP/2.0
> To: <sip:address@hidden>;tag=2063506250
> From: "user004" <sip:address@hidden>;tag=DLc57bafead1;epid=0x1ede7e0
> Call-ID: 1119294776
> Max-Forwards: 70
> Via: SIP/2.0/UDP;branch=z9hG4bK-98abd6bea2-DL
> Contact: "user004" <sip:address@hidden:5060>
> Content-Length: 0
> All the calls where made using the other endpoint private ip address
> on a private network.
> I am not a VoIP expert by any means but shouldn't those packets be
> acknowledge in some way? A quick look at the RFC shows several ways of
> responding.
> Thanks,
> Claudio
> _______________________________________________
> Linphone-developers mailing list
> address@hidden

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