[cisco-voip] TIP: CNAM without requiring MGCP
Robert Kulagowski
bob at smalltime.com
Mon Oct 16 11:51:56 EDT 2006
Zilk, David wrote:
> Many of you have run across the problem of not being able to utilize
> Caller ID Name (CNAM) information from a telco using H.323. Since CNAM
> is provided by most telcos within the facility IE field, and this isn’t
> supported in H.323, the solution has always been to convert to MGCP.
> If you needed to stick with H.323 or gateway based call routing for
> other reasons, such as needing to support other H.323 devices, or use
> TCL scripts, you were out of luck.
Have you tested called call preservation? What happens if the WAN goes
down during a call? Is the call dropped? That was the biggest reason
we went to H.323 over MGCP.
More information about the cisco-voip
mailing list