voice termination

i had a basic doubt regarding voice gateways.. Normaly a call from voice to pstn side needs analog to digital conversion ,i want to know whether voice gaeway needs DSP to do this?...If it uses DSP whether it uses HW or SW dsp?.. (i read in cucm srnd tthat it needs some resources to make a call from pstn to voip side)

Comments

  • Hi Mohan,

    You need the DSP for both the ways and this is hardware DSP obviously. DSP channels are allocated for each channel of analog/digital trunk when you configure them.



    On Mon, Aug 13, 2012 at 4:49 PM, mohanNS <[email protected]> wrote:

    i had a basic doubt regarding voice gateways.. Normaly a call from voice to pstn side needs analog to digital conversion ,i want to know whether voice gaeway needs DSP to do this?...If it uses DSP whether it uses HW or SW dsp?.. (i read in cucm srnd tthat it needs some resources to make a call from pstn to voip side)




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