The Cisco PVDM4-64 High-Density Voice DSP module provides 64 channels for voice and conferencing services on ISR 4000 Series routers. It supports codecs such as G.711, G.729a, iLBC, and more while enabling high-quality VoIP communications.
This module enhances call processing efficiency by offloading tasks from router processors to dedicated DSP resources. Its modular design allows scalability based on telephony needs in enterprise deployments using TDM gateways or SIP trunks. The integration with Cisco Unified Communications solutions ensures compatibility across various applications requiring digital signal processing for transcoding or mixing functions within unified networks supporting both PSTN connectivity and IP-based calling infrastructures.
Cisco PVDM4-64 ISR 4000 Series 64-Channel High-Density Voice DSP Router Module