Is there a way to provide CAC bandwidth control of incoming calls on one SIP trunk and to be separated per classification by configuring CCM7 alone?
For example: PSTNA ----sip trunk---CCM7----Phone1A --Phone2A --phone1B --phone2B
Phone1A and phone1B are in location san jose. Phone 2A and 2B are in location RTP. I want to limit the incoming call on San jose location to 80kbps g711 single call only. While on RTP location, i want to limit 160kbps g711 incoming call. If i configure 2 sip trunk with the same ip address but different trunk name, CCM will accept it and i can configure different locations corresponding to each trunk. But how can i instruct the incoming call to use the trunk for San jose and the other to use RTP? based on called number maybe?
I can apply CSS on the trunk to know which phones but the incoming call needs to know which sip trunk to use first. If the sip trunk is a separate ip,then it would be simple but in my case, it is only one trunk.
In short, you can't... an incoming SIP message is linked to a trunk by the IP/port pair, so if both messages come in from the same IP to the same port, they are both the same. You can't differentiate based on the number in the INVITE.
If you only allow 80K to one site, and 160 to another, why not just put phone 1A/1B in one Location, and Phone 2A/2B in another location, and set 80/160K on those two locations?
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Our goal is actually to restrict the number of incoming calls that is routed to each ip phone on each branch.
The provider told us that they do not support restricting number of calls sending to each site and were hoping CCM could actually workaround for it Problem is all each branch site is registered to a single CCM.
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