Cisco PVDM4-64 | 64-Channel Fourth Generation High Density Voice Digital Signal

Processor Module

Technical Specifications:
- Compatibility: Cisco 4451-X Integrated Services Router, Cisco 4431 Integrated Services Router, Cisco 4351 Integrated Services Router, Cisco 4331 Integrated Services Router, Cisco 4321 Integrated Services Router, Cisco 4221 Integrated Services Router
- Number of channels: 64
- Digital Signal Processor (DSP) technology: Fourth generation
- Voice coding: G.711, G.722, G.723, G.728, G.729, G.729a, G.729ab, iLBC, Internet Low Bitrate Codec, Internet Speech Audio Codec, iSAC, Opus, and Silk
- Maximum sessions: 64
- Maximum sessions with Cisco Unified Communications Manager: 32
- Maximum sessions with Cisco Unified Border Element: 32
- Voice quality: Wideband and narrowband
- Voice activity detection (VAD) and comfort noise generation (CNG)
- Echo cancellation: G.168 (64-ms tail) and G.165 (32-ms tail)
- Dynamic jitter buffer
- Voice quality monitoring (VQM)
- Power consumption: 10W

Helpful Notes:
- The PVDM4-64 module provides high-density voice connectivity for Cisco ISR routers.
- It supports a wide range of voice codecs for optimal voice quality.
- The module is easy to install and configure, and provides reliable performance for voice applications.