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

[Yuantao Zhang]

Thanks. But I can not find anything in RFC4208 related with heart beat messages in VOIP via SIP calls. Could you please point out which part?

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From: XIAO Xiaohong [mailto:Xiaohong.Xiao at alcatel-sbell.com.cn] 
Sent: 2008年5月22日 14:21
To: Yuantao Zhang; discussion at sipforum.org
Subject: RE: [SIPForum-discussion] What are heart beat messages in VOIP via SIPcalls? What is the standard? Thanks

 

rfc4208.

 

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From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of Yuantao Zhang
Sent: 2008年5月22日 13:59
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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