05-07-2012 12:49 AM - edited 03-16-2019 11:00 AM
I have one Cisco 2811 router. It doesn't have any PVDM cards. My question is, if i have 4-FXO card and IP Phones are connected on router. Do i need to use DSP resources to communicate between ip phone and between ip phones and PSTN?
05-07-2012 12:59 AM
Yes, without exclusion or other possibility.
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