Cisco Router 128-Channel Network Module High-Density Voice And Video DSP Module PVDM3-128
Product Information
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.
The PVDM3 modules support digital voice connections, analog voice connections, conferencing, and universal transcoding services. The same DSPs on the PVDM3 modules can now support all the services with a single DSP image. In addition, the PVDM3 supports a higher number of conference sessions and a higher number of participants per conference than the PVDM2. The PVDM3-256 can support up to 6 conferences with 64 participants in each conference and up to 66 conferences with 8 participants in each conference.
Table 1 Quick Spec.
| 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 |
Ordering Information
| Description | Part Number |
| 16-channel high-density voice DSP module, or spare | PVDM3-16 or PVDM3-16= |
| 32-channel high-density voice DSP module, or spare | PVDM3-32 or PVDM3-32= |
| 64-channel high-density voice DSP module, or spare | PVDM3-64 or PVDM3-64= |
| 128-channel high-density voice DSP module, or spare | PVDM3-128 or PVDM3-128= |
| 192-channel high-density voice DSP module, or spare | PVDM3-192 or PVDM3-192= |
| 256-channel high-density voice DSP module, or spare | PVDM3-256 or PVDM3-256= |
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