Can someone please summerize the bandwidth allocation done by ccm and gatekeeper?
[assume we are using latest versions/spec.]
Is it true that both CCM(CAC) and Gatekeeper allocate twice the amount of codec bit rate for admission request?
For example ccm/gk reserves 128kbps bw for a G.711 call request to accomodate bi-directional voice stream. And without reserving bw for overheads. Is that true?
No, CUCM considers (RTP + overhead)x2. GK only RTP x 2
For purposes of location bandwidth calculations only, assume that each call stream consumes the following amount of bandwidth:
â¢G.711 call uses 80 kb/s.
â¢G.722 call uses 80 kb/s.
â¢G.723 call uses 24 kb/s.
â¢G.728 call uses 16 kb/s.
â¢G.729 call uses 24 kb/s.
â¢GSM call uses 29 kb/s.
â¢Wideband call uses 272 kb/s.
Note Each call comprises two call streams.
IE with G711 for 1 call
CUCM = 160
GK = 128
CUCM = 48
GK = 16
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