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voice gateway - where are my dsp resources???

hoanghiep
Level 1
Level 1

Hi all,

I have a C2821 configured as VoiceGateway, connecting to PSTN by E1 PRI. But the problem is that when I configured "pri-group timeslot 1-31" under the controller E1, the router said that I have not enough DSP resources avaiable, the DSP resources are only enough for 28 timeslots (I have a PVDM2-32, and the codec complexity is Flex - default config).

Could anyone explain this for me?

Thanks,

hoanghiep

2 Replies 2

Majdi Harb
Level 3
Level 3

Hi hoanghiep

do u have FXO card in ur 2821 GW?

so if u have VIC2-4FXO card (that is 4 ports FXO) each port will use one value of PVDM2-32 (let's say for clarification: PVDM2-32 - PVDM2-4 = PVDM2-28 remaining)!

hth

/majdi

Oh, that's what made me confused for some days. Thank you very much, Majdi.

Regards,

hoanghiep

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