RFC 3435 is the MGCP protocol specification !!!

Dial Plan is a application layer function , usually at the Call Processing
layer.
SIP as a signaling protocol does not impose nor should  dial plans.

Cheers

PS: http://en.wikipedia.org/wiki/Telephone_numbering_plan


On Thu, Oct 14, 2010 at 7:29 AM, Donald Lee <baolove...@gmail.com> wrote:

> maybe rfc3435.
>
> On Oct 14, 2010 12:58 AM, "孙永光" <sammanengin...@gmail.com> wrote:
>
> Dear All
>
>  can you tell me how to implement dial plan function ?
> is there some RFC, paper or other doc?
>
> Thanks
>
>
> --
> msn:yongguang...@hotmail.com <msn%3ayongguang...@hotmail.com> <
> msn%3ayongguang...@hotmail.com <msn%253ayongguang...@hotmail.com>>
>
>
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