Admission control only works if fully thought out. If you have a remote user and that user makes a call via the pstn it has to be properly accounted for. Simply putting a limit on the trunk handles only part of a wide area network telephony system. While the trunk call is accounted for what about the remote user and where the call is anchored and which network segment.
I think the network queue might be the defining place though. It was never a part of the stated project to develop an SBC until 4.0 came along. Gateways were always use able since its open source release. Not sure picking on this gets the admission control any further along. Glad you like where the project is. Stick around to see what is next. On Jul 25, 2012 6:47 AM, "Mark Dutton" <[email protected]> wrote: > > > As someone who has not programmed in many a year I am sure > it is a mission. However, I think it is a crucial > requirement in any IP phone system that will use low speed > inter site links. > > Asterisk has a concurrent call limit on its trunks which go > some way towards making it usable. > > In commercial world all products we use have quite well > developed admission control. > > The thing is, when you create QoS queues in your routers, > you are creating guaranteed throughput from your PBX onto > the WAN, but your PBX has to know that it has X bandwidth, > or only can make X calls (based on your calculations in turn > based on codec choices) so that it will never try to over > commit the link. > > For us it would be a deal breaker not being able to use get > admission control. Does the commercial version have > admission control? > > I remember when I looked at SipXpbx about 4 years ago, it > had no SBC, gateways were virtually unusable and there were > so many rough edges I left it alone. Now it is polished and > for the most part working wonderfully well. I am confident > this key feature will end up in SipXecs. > -- > Regards > > Mark Dutton > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- LAN/Telephony/Security and Control Systems Helpdesk: Telephone: 434.984.8426 sip: [email protected] Helpdesk Customers: http://myhelp.myitdepartment.net Blog: http://blog.myitdepartment.net
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