[SIPForum-discussion] What are heart beat messages in VOIP viaSIPcalls? What is the standard? T

[Atul Mahajan]

On 6/9/08, Tim.Wong at cox.com <Tim.Wong at cox.com> wrote:
>
>  Hi Sreekant,
> There are actually two drafts that are related to SIP heartbeat or
> keep-alive messages. The main draft is: draft-ietf-sip-outbound-14 and the
> other is: draft-holmberg-sip-keep-00.
>
> -Tim
>
>
>
>  ------------------------------
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org] *On Behalf Of *sreekant nair
> *Sent:* Thursday, June 05, 2008 2:22 PM
> *To:* Halit Sakca; Amit Keswani; Yuantao Zhang; discussion at sipforum.org
> *Subject:* Re: [SIPForum-discussion] What are heart beat messages in VOIP
> viaSIPcalls? What is the standard? T
>
>
>   Hi,
>
> Some time back read that there was a draft being prepared to have a Request
> message called PING to do exactly this. Not sure if the draft/rfc is
> released yet. Could not find it on Google.
> Maybe this cam help, but until then - I guess the preferred choice is the
> OPTIONS message.
>
> Thanks
> Sreekant Nair
>
>  ----- Original Message ----
> From: Halit Sakca <sakcahalit at hotmail.com>
> To: Amit Keswani <amit.keswani at genband.com>; Yuantao Zhang <
> yuantao.zhang at ericsson.com>; discussion at sipforum.org
> Sent: Thursday, June 5, 2008 8:54:13 AM
> Subject: Re: [SIPForum-discussion] What are heart beat messages in VOIP via
> SIPcalls? What is the standard? T
>
> Hi,
>
> Yes heartbeat messages in SIP commonly used as OPTIONS and we need to get
> back 200 OK in a period, if thre is a timeout to get 200 OK then we can
> assume that sip element is out of servise.
>
> By the way in TCP it is periodic ARP messages.
>
> Selamlar,
> Halit Sakca
>
>
>
>  ------------------------------
> From: amit.keswani at genband.com
> To: yuantao.zhang at ericsson.com; discussion at sipforum.org
> Date: Thu, 22 May 2008 12:47:37 +0530
> Subject: Re: [SIPForum-discussion] What are heart beat messages in VOIP via
> SIPcalls? What is the standard? Thanks
>
>  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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Hi  Friends

   Any body know how to Access Web Cam on Windows XP by using  SIP
protocols.

-- 
Thanks & Regards
Atul Mahajan
Sycamore Software Solutions
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