NM-4B-S/T for voice

Answered Question
Oct 9th, 2009

Dear all,

Is it possible to configure NM-4B-S/T ISDN BRI Module on an ISR router for my connection to the PSTN for voice? Or do i need to use the VIC one?

I have this problem too.
0 votes
Correct Answer by rob.huffman about 7 years 2 months ago

Hi Jean,

Sadly the NM-4B-S/T does "not" support voice.

Voice Hardware Compatibility Matrix (Cisco 17/26/28/36/37/38xx, VG200, Catalyst 4500/4000, Catalyst 6xxx)

http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a00800e73f6.shtml

http://www.cisco.com/en/US/prod/collateral/routers/ps5854/ps5882/product_data_sheet0900aecd8016fa68_ps5854_Products_Data_Sheet.html

Hope this helps!

Rob

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Correct Answer
rob.huffman Fri, 10/09/2009 - 04:29

Hi Jean,

Sadly the NM-4B-S/T does "not" support voice.

Voice Hardware Compatibility Matrix (Cisco 17/26/28/36/37/38xx, VG200, Catalyst 4500/4000, Catalyst 6xxx)

http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a00800e73f6.shtml

http://www.cisco.com/en/US/prod/collateral/routers/ps5854/ps5882/product_data_sheet0900aecd8016fa68_ps5854_Products_Data_Sheet.html

Hope this helps!

Rob

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