PVDM3-128 is a Cisco module that provides voice and video capabilities on a Cisco router. The PVDM3 series is the third generation of Cisco's Packet Voice Digital Signal Processor (PVDM) modules, and the 128 in the name refers to the amount of memory that the module has, which is 128 megabits.
This module can be used to support a variety of voice and video protocols, such as G.711, G.729, and H.264. It provides digital signal processing (DSP) resources for a variety of voice and video features, such as conferencing, transcoding, and voice mail. The module can also be used to support a variety of features, such as voice and video quality of service (QoS), and Cisco's IOS VoiceXML browser.
It can support up to 128 voice or video channels per module depending on the codec used. It can be used in Cisco ISR G2 routers such as 2900, 3900, and ASR1000 series. It also supports a wide range of codecs and signaling protocols, including SCCP, SIP, and H.323.
This item is an ideal solution for businesses that need to support a large number of voice and video calls, such as call centers, service providers, and large enterprises.