One of the primary uses of PVDMs is to packetize digital voice into IP packets to enable time-division multiplexing (TDM) digital voice applications.
PVDM modules support ad hoc and meet-me conferencing with various codecs in conjunction with Cisco Unified Communications Manager and Cisco Unified Communications Manager Express.
The PVDMs support transrating, in which the same codec is repacketized in order to connect dissimilar networks that have different codec packetization periods.
- Product Description Cisco PVDM 1024-Channel - voice DSP module - enhanced service module (SM-X)
- Device Type Voice DSP module
- Form Factor Plug-in module
- Interface (Bus) Type Enhanced service module (SM-X)
- Bus Voltage 12 V
- Dimensions (WxDxH) 8.5 in x 8.1 in x 1.6 in
- Weight 28.5 oz
- Compliant Standards G.711, G.729a, G.729ab, G.726, G.722, G.728, G.729, G.729b
- Designed For Cisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router, 4451-X Integrated Services Router Security Bundle, 4451-X Integrated Services Router Voice and Video Bundle, 4451-X Integrated Services Router Voice Security Bundle; Integrated Services Router 4321, 4331, 4351, 4431
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