[SIPForum-discussion] What are heart beat messages in VOIP via SIPcalls? What is the standard? Thanks

[Diego Besprosvan]

INFO messages can only be used within a SIP Dialog.

-------
Diego Besprosvan (:--:)
MailVision Ltd.
diegob at mailvision.com



On Jun 4, 2008, at 11:04 AM, Donald Lee wrote:

> Hi,
>
> I think OPTIONS is more heavier to stand for heart beat. The  
> response should contain its capability and it maybe a big message.
>
> And for the session timer, it's only exist during the session. If  
> there was no session, there would be no timer.
>
> I have seen a ietf draft which was proposed by Nortel that using a  
> new method called PING, but I think if we use the current INFO  
> message would be better.
>
> Just some idea, Please give me your thought.
>
>
> On Thu, May 22, 2008 at 3:17 PM, Amit Keswani <amit.keswani at genband.com 
> > wrote:
> Hi,
>
>
>     I guess heartbeat messages in generic term are used to check the  
> connectivity between
>
> two elements and mostly it is send in OPTIONS. Like to check the  
> connectivity of media server from
>
> UAC.
>
>
>
> Regards,
>
> Amit Keswani
> SMTS - System Test
>
> GENBAND Technologies
> C-42, Sector-58
> Noida-201303, INDIA
> office            +91.120.2588272
> mobile         +91.9891928745
> facsimile     +91.120.2588274
> amit.keswani at genband.com
>
>
> From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org 
> ] On Behalf Of Yuantao Zhang
> Sent: Thursday, May 22, 2008 11:29 AM
> To: discussion at sipforum.org
> Subject: [SIPForum-discussion] What are heart beat messages in VOIP  
> via SIPcalls? What is the standard? Thanks
>
>
> What are heart beat messages in VOIP via SIP calls? What is the  
> standard? Thanks
>
>
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>
> -- 
> BR
> Donald _______________________________________________
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