Cisco Cisco VN 2900 Network Adaptation Interface

 lists the release history for this feature.

Use Cisco Feature Navigator to find information about platform support and software image support. 
Cisco Feature Navigator enables you to determine which software images support a specific software 
release, feature set, or platform. To access Cisco Feature Navigator, go to 

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1-Port and 2-Port VWIC3s - Voice WAN 
Interface Cards

15.0(1)M3, 
15.1(2)T, 
15.1(1)T1



Digital voice support is introduced on 
VWIC3-1MFT-G703(T1/E1), and 
VWIC3-2MFT-G703(T1/E1).

This feature is supported on Cisco 2901, 2911, Cisco 2921, 
Cisco 2951, Cisco 3925, Cisco 3925E, 3945, and Cisco 
3945E.

The following sections provide information about this 
feature:

 lists only the software release that introduced support for a given feature in a given software 

release train. Unless noted otherwise, subsequent releases of that software release train also support that 
feature.