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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Next-Generation High-Density PVDM3 Modules
How to Verify and Troubleshoot the Functionality of the PVDM3 Cards on Cisco Voice Gateways
TDM Sharing/Pooling Configuration
Time-division multiplexing (TDM) sharing/pooling is only allowed among the same type of PVDMs.
For example, if the motherboard has PVDM3 modules, and other voice cards have PVDM2 modules, the
motherboard cannot share or pool DSP resources with other voice cards. If the motherboard has PVDM2
modules, and other voice cards also have PVDM2 modules, the existing CLI command will enable TDM
sharing/pooling:
voice-card 0
dsp tdm pooling
In the case of mixed types of PVDMs existing in the router (for example, the motherboard has PVDM3,
another voice card has PVDM2, and a third voice card has no PVDM), there is a new CLI command
under the voice card CLI that allows the voice card to choose which type of PVDM to use for TDM
sharing/pooling:
voice-card 2
dsp tdm pooling type [PVDM2 | PVDM3]
For more information about TDM sharing/pooling, see the documents listed in the “Additional
References” section on page 206.
How to Verify and Troubleshoot the Functionality of the PVDM3
Cards on Cisco Voice Gateways
Use the following commands in global configuration mode to verify and troubleshoot the functionality
of the PVDM2 and PVDM3 modules in your Cisco voice gateway.
SUMMARY STEPS
1. show platform hw-module-power
1. show voice call slot/port
2. show voice dsp group all
3. show voice dsp sorted-list
4. show voice dsp capabilities slot number dsp number
5. show voice dsp group slot number
6. show voice dsp statistics device
7. show voice dsp statistics tx-rx
8. show voice dsp statistics ack
9. debug voice dsp crash-dump
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