Information
The Cisco PVDM-4 is a digital signal processor (DSP) module used in Cisco routers and switches. It stands for Packet Voice Digital Signal Processor Module 4. The PVDM-4 is designed to provide hardware acceleration for voice and video applications, such as voice over IP (VoIP) and video conferencing. It helps offload the processing of voice and video traffic from the main CPU of the device, improving performance and scalability. The PVDM-4 module supports various codecs and algorithms for voice and video compression and decompression.
Specifications
Max Channels
4
Echo Cancellation
Yes
Fax Codec Support
T.38
Voice Codec Support
G.711, G.729a, G.729ab, G.726
Hardware Encryption Support
No
Voice/Fax over IP (VoIP) Support
Yes
Digital Signal Processor (DSP) Type
T1/E1