The 3640 router has 4 slots and each slot can take up to 4 analog ports. So if you need 12 analog ports, you will use up 3 of the 4 available slots. The network module which houses the analog card is called NM-2V it has DSPs to process the voip calls and it has 2 VIC slots. Then you need to decide what TYPE of analog module you need. The options are: E&M, FXS, FXO.
You can populate the network module in anyway that you wish. There is some info on the NM-2V below:
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...