you need to know what IP codec is in use. If you are using G.711, you can get 64 calls (8 calls per DSP X 8 DSPs), if you are using G.729 for example, that takes 2 DSP resources per call, so you will only get 4 calls per DSP (4 x 8, or 32 calls max).
you can 'display ip-network-r 1" (or whatever you are using), this will have the codec set listed, then do a 'display ip-codec 1' (for example) to check which codecs could be used.
For CM4: "Display Capacity", on page 6, "TN2602 boards with 80 VoIP Channels" and "TN2602 Boards with 320 VoIP Channels". on a CM4 switch, they don't need licenses any longer... CM3 was different. On the switch I am looking at now (CM4), "available" for both is 128...
I have a similar question - installing a TN2602 capacity says:
320 VoIP channels 128 avail 0 used
but when I try to install it with 320, it gives an error. If I install with 80, it is fine. Cant tell exact error, as in a live site using the 80 at present.
Discovered the UDP reange in the network region needed to be increased before it will allow you to increase the channels on the medpro. Did this and can now increase it to 320 channels.
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