Hello, Can someone tell me how much bandwidth Cisco phones use in general? We have the models Cisco 7961 and 7941. Thank you
Cisco phones bandwidth
Jul 06, 2011
2 Replies
In terms of capacity it is neglectable. A 7961 here has an average five minute transmit rate of 500k and uses 0.50% of a 100BaseTX link when transmitting data. Receiving data is 100k in five minutes or 0.1% of the
100BaseTX link.On the other hand, the data packets need to be priorized.
Regards, Christoph Gartmann
there are some file / ftfp transfers during startup, and if you use the display there may be some data movement to support that.
once a voice call is in progress the real time traffic depends on the codec profile.
G.729 is something like 30 - 40 Kbps each way. G.711 is 90 Kbps
Some of the cisco phones support a wideband codec which is 256 Kbps of audio - say 300 Kbps all in.
Just for the voice stuff really
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