PVDM3-32
Features and Benefits
The Cisco High-Density Packet Voice Digital Signal Processor Module (PVDM3) is supported on all Cisco 2900 and 3900 Series platforms, part of the Cisco Integrated Services Routers Generation 2 (ISR G2) portfolio.
It provides higher density and more processing power than the PVDM2, making the addition of rich-media applications possible. Enhanced DSP architecture accommodates a new packet-processing engine optimized for rich-media voice applications, while concurrently supporting the time-division multiplexing IP (TDM-IP) voice framework used by the PVDM2.
Investment Protection and Field-Upgradable Capability
You can now choose a DSP module ranging from 16 to 256 G.711 channels from the PVDM3 module portfolio. The PVDM3 modules all have the same form factor, and are used across Cisco 2900 and 3900 Series Integrated Services Routers (ISRs). The field-upgradable capability can help you easily scale your voice deployments.
In addition, DSPs on the PVDM3 provide more processing power and memory than the DSPs on the PVDM2.
The high performance of PVDM3 supports future voice and video growth with a simple image upgrade to eliminate complete system upgrades. The PVDM3 modules can not only meet your needs today but also anticipate your needs in the future.
Wide Range of Codec Support
The PVDM3 modules support a wide range of codecs of different complexities. They support all codecs that are supported by the PVDM2 modules. Table 1 lists the codecs supported on the PVDM3 modules.
Table 1. Codec Support on PVDM3 Modules
Name | Low-Complexity Codecs | Medium-Complexity Codecs | High-Complexity Codecs |
PVDM3 module | G.711, clear-channel, Fax and Modem Passthrough | G.729a, G.729ab, G.726, G.722, and Fax Relay | G.728, G.729, G.729b, Internet Low Bitrate Codec (iLBC), and Modem Relay |
High Density and Flexibility
The PVDM3 modules have up to four times higher density than the PVDM2 modules. In addition, the PVDM3 modules provide better density for medium- and high-complexity codecs than their equivalent PVDM2 peers. For example, the number of supported medium-complexity codecs on a PVDM3-64 is 42, versus 32 on a PVDM2-64. Refer to Table 2 for more details about channel density for each PVDM3 module.
High-end PVDM3 modules such as the PVDM3-192 and PVDM3-256 enable scalable rich-media applications with improved user experience and quality. A PVDM3-256 can support up to 60 secure iLBC TDM-IP voice sessions, and up to 30 eight-party conferences with the high-fidelity wideband codec G.722.
Table 2. Channel Density of PVDM3 Modules
Name | Description | Maximum Number of Channels in Low-Complexity Codecs | Maximum Number of Channels in Medium-Complexity Codecs | Maximum Number of Channels in High-Complexity Codecs |
PVDM3-16 | 16-channel high-density voice DSP module | 16 | 12 | 10 |
PVDM3-32 | 32-channel high-density voice DSP module | 32 | 21 | 14 |
PVDM3-64 | 64-channel high-density voice DSP module | 64 | 42 | 28 |
PVDM3-128 | 128-channel high-density voice DSP module | 128 | 96 | 60 |
PVDM3-192 | 192-channel high-density voice DSP module | 192 | 138 | 88 |
PVDM3-256 | 256-channel high-density voice DSP module | 256 | 192 | 120 |