[SIPForum-discussion] INFO method

[Eric Burger]

No. You probably want to connect the endpoints directly (like through
TCP) for your private communication.  See the mechanism of MSRP or
MRCPv2.

 

________________________________

From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of Darko Milic
Sent: Sunday, September 18, 2005 3:53 PM
To: An open list for discussion of SIP-related topics
Subject: Re: [SIPForum-discussion] INFO method

 

Thanks to all,
I've get some idea of INFO usage. As I said my intention was to send
some additional information after SIP dialog had been opened. This
information includes some cryptographic parameters, in several rounds,
before media communication, meaningful only for upper application (Call
Control) on both side, but not for human user. I believe now that INFO
is appropriate solution  and that the MESSAGE request should be left for
human user data. Isn't it?

 

Regards, 

Darko 



  

Beith, Gordon wrote: 

INFO method is used for various mid-call communication and also for
SIP-T (i.e. ISUP transparency).

It has been used for, but is not recommended, DTMF communication. RFC
2833 is the recommendation for that.

Further to this, and proprietary messages, services, etc. use INFO
method as well. This sounds like what you want to do here. 

 

________________________________

From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of Darko Milic
Sent: Sunday, September 18, 2005 4:06 AM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] INFO method

 

Hi all,


I am curious about usage of INFO method. Actually, I need advice. I
haven't noticed any practical solution that uses this method yet. Like
it's not popular method for using today. Maybe I am wrong, but I have
feeling that MESSAGE within dialog could do the same job; exchange
signaling information among parties.

My intention is to send some additional signaling information important
for upper application immediately after SIP dialog (with INVITE) has
been opened. Questions are: What should I use? What is the preferable
method today for such things? Is there some RFC that obsolete RFC 2976
(INFO)?

Regards,
Darko 

 



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