Incomming FXO calls answered by CUE not disconnecting
One of my locations has a 2821 MGCP gateway with loopstart FXO trunks. Incomming calls are plar to AA in the CUE. My problem is if the inbound caller hangs up before speaking to a live person (listening to the AA), the FXO port on my gateway will stay connected for 30-40 seconds. I've tried different solutions recommended in this link but have not been able to fix this problem.
Re: Incomming FXO calls answered by CUE not disconnecting
I think loop start would work if the phone company supported any of the methods described, but they would have to support them and have them enabled, and that is what we have found severely lacking out there - many don't even know what you are talking about, so we just go with ground start. I have seen some postings indicating that some people have gotten some of the loop start disconnect methods working, but I don't know if they were connecting to US PSTN, or maybe local PBX, or what.
As for the general issue of something not working that Cisco says should work..that is just part of life with Cisco - and really, any vendor I have ever worked with. In most cases, it would work under some set of circumstances that just don't happen to match yours.
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