For at least some of the information you may want to re-examine your source.
The 6608 T1/E1 module is certainly not new, they've been out for at least three years. The product is well supported, well documented and widely deployed.
Yes, it is significantly more expensive to purchase routers and NM-HDVs. A 6608-E1 lists for $20k and one NM-HDV-2E1-60 lists for $12k.
You can argue the merits of gateway placement and different environments will have different requirements. Generally, the gateways will be placed where key network services are located (telephony being a key service) at the core or darn close to it.
Can't answer the fabric enabled question, but I'd be a little skeptical that there would be significant performance degradation.
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...