ISDN Centrex phones

[amanda.le]

I have a small voip lab with one cisco 2621 router which has 2 fxo ports, CM, and 2 ip 1200sp+ phones. I am able to make the ip phones work thru the analog

lines connecting to the fxo ports.

Now, I want to experiment connecting other ISDN centrex phones in our office to my voip lab. What voice interface card would I need to purchase in order for me to accomplish this task. I want to see

if my ip phones can carry out voicemail and caller id

too. Will I need VIC-2BRI-S/T-TE or VIC-2BRI-NT/TE.

Please advise.

[mmellet]

I’m fairly confident you will need the VIC-2BRI-NT/TE but I would suggest asking Cisco first. I know they have a direct 800 number for product related questions. Does anybody know what it is?

BTW: Let me know which one you needed.

[hwardlow]

1-800-go-cisco.