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

Tom Rymes trymes at rymes.com
Fri Jan 14 17:53:09 CST 2011


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


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