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Reply To: VoIP bandwidth

Jose Quintero

Depending of the codec that you are using:

if the codec is G.711

15 * 80 Kbps (Ful duplex)

if you are using G.729

15* 24 Kbps

if you are using g.723.1

15* 17 Kbps.

So you need to add the overhead of the protocol level 2 that you are using:

Ethernet, Frame Relay, ATM, HDLC, etc.

If you have doubts, you could contac me.

If the media is a WAN N