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Cisco Gatekeeper Bandwidth Allocation

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A Cisco Gatekeeper has a pre-defined bandwidth number which it allocates per call (based on the CODEC being used).

These values are not typically associated with these standard CODECs so I thought I would include these here for reference.

The maximum number of active calls that are allowed for each zone depends on the codec in use for each call and the bandwidth that is allocated for the zone. Cisco CallManager requests different bandwidths for different codecs:

Codec Requested Bandwidth by CallManager
G.711 128 kpbs
G.729 16 kbps
G.723 14 Kbps

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About Behzad Munir

Behzad Munir, P.Eng, is a Voice Solutions Consultant working in Toronto, Canada

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