[asterisk-users] Why are 4 ports used for a single call?

[Bruce B]

On Fri, Jan 14, 2011 at 6:53 PM, Tom Rymes <trymes at rymes.com> wrote:

> On Jan 14, 2011, at 6:45 PM, Bruce B wrote:
>
> > You really want to read the LONG LONG signature from some people before
> you read the actual latest message? I don't know about that....I guess it's
> a preference.
>
> Suffice it to say, Bruce, this subject has been hashed over thousands, nay,
> hundreds of thousands of times, and I doubt anything new can be had from
> doing it again.
>
> FYI, It is also considered good etiquette to remove any non-relevant
> information from the quoted text to keep it short and easy to parse,
> especially removing the automatically generated footers from the list.
>
> As for your question about ports (see, I can stay on topic occasionally!),
> someone already mentioned something about some equipment using 5004 for RTP,
> IIRC, and I mentioned the common use of 5061, 5062, 5063, etc for multiple
> SIP clients behind NAT. There may be other reasons, too.
>
> Tom
>


Thanks. That is in both TCP and UDP for SIP right? or simply UDP would do it
as well? I am talking strictly in case of Asterisk.

-Bruce
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