[Asterisk-Users] internet bandwidth

[Michael Vogel]

Hi!

Vlasis Hatzistavrou schrieb:

> 6.3kbps of G723.1 will become around 17kbps 
> on the IP level without silence suppression because of the additional 
> overhead imposed by protocols like RTP, IP, etc .

These 17kbps are they independent from codec? That means a A-LAW with 
64kbps has got 64+17=81kbps?

BTW: I have seen different descriptions regarding the rate of U-LAW. Is 
it 64 or 56kbps?

> If you chose IAX instead of SIP, you will save lots of bandwidth if all 
> (or most) of those 20 calls are directed to the same host.

Does IAX save bandwith on single calls as well?

Bye!

Michael