cisco2621xm This topic has 1 reply, 1 voice, and was last updated 20 years, 8 months ago by Duy Tran. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 24th August 2004 at 03:04 #27901 KathyGuest If you want to add a voice card to cisco 2621xm for 2T1 Voice what card do you need? I want to use that box for accepting IP voice and converting it to TDM/PSTN. Thanks Kathy 27th August 2004 at 07:41 #27902 Duy TranGuest You need an NM-HDV-2T1-48 Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.