I want to limit the number of calls between site A and site B. Site A and B are voice hub sites with calls coming from many sources on the IP network. Typically, this has been done by setting up a trunk group on the PBX for all calls A to B and limiting the number of trunks in the group.
With the trunk group option, I waste resources on the PBX and Cisco voice interfaces. I know RSVP is one option, but I'm not sure that running RSVP for just this purpose is a good idea. If I have let's say 3640s with digital voice interfaces and a WAN link in between, is there a way other than RSVP to limit the number of calls allowed onto the link or somehow via the dial-peers?
Re: Restricting number of calls across data network
If you are running call manager you can setup your 3640 as a gatekeeper. I have never setup gatekeeper functionality without a call manager but it sounds doable. Take a look at the latest 12.1x code docs and search for "gatekeeper"
With a gatekeeper, you can limit the amount of calls placed across the WAN.
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