[SIPForum-discussion] When i should go for Forking ?

raman kumar ramank24 at gmail.com
Fri Feb 9 06:27:46 UTC 2007

or example user A is calling user B.
And user a is registered at location ip1(eg
user B is registered at location ip1, ip2, ip3, ip4
(in proxy, whose subscriber is B, contact table contains 4 contact
address for user B)

Now when A calls B then proxy sees the 4 contact for user B so it will
proxy the INVITE to all the 4 location of B. On receiving the OK from
any one of them( FCFS) it will send CANCEL to all other location.


On 09/02/07, harish T <harish0611 at gmail.com> wrote:
> HI,
> While reading rfc i come across a word "forking ".I understood the concept
> of forking (sending messages to number of locations at the same time) but
> since i am not having experience in networking filed  i am not getting where
> exactly it will be used in SIP architecture.
> Can any one tell me  ,at what circumstance i should go fo forking ?(where
> forking is used in SIP)
> --
> ------------------------------------------------------
> To accomplish great things, we must not only act, but also dream; not only
> plan, but also believe.
> With regards
> Harish.T

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