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8.2

VoIP and how to make an analog line busy

Asked by lbertacco in Telecommunications Providers, Telecommunications, Voice Over IP

Hello,
I've looking into the possibility to replace an old analog PBX with a voip system. This should just handle 2 analog external lines and about 8 internal extensions (with sip phones).
My question is: is there a (telco accepted and standardized) way to render an analog line busy?
Suppose that ALL internal extensions are busy either on internal communications or external ones via internet - that is, external lines are not in use and therefore not busy- and an incoming calls arrives on an analog line.
Clearly the internal phones cannot ring as they are already busy. So the (voip) pbx can alert the internal users with call waiting tones etc., but if no one takes the new incoming call, you would want the external caller to get a busy signal after a little wait. Otherwise he would assume that everybody is out office. Also, if you don't like call waiting and disable it, the external incoming analog call should receive a "busy" signal immediately.
The problem is that my sipura cannot do it. If all internal extensions are busy and a new analog call arrives, the caller just hear the "ringing" tone until he gets tired or somebody answer him (which usually won't happen).
Apparently there is no way to make an analog line sound "busy", either permanently (taking the line off-hook is deprecated by telcos, and linksys refuses to do it) or after a given ringing timeout.

Is there a solution to this issue? (switching to ISDN, which would solve, is not an option because of difficulties with number portability).

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	Title
1	VOIP PBX?
2	All in one VOIP Hardware Phone
3	Converting analog lines off of PBX to IP
4	What equipment is required to do Voip …
5	Need suggestions on setting up an aut…
6	Possible Application of a Wireless Bridge

VoIP and how to make an analog line busy

Asked by lbertacco in Telecommunications Providers, Telecommunications, Voice Over IP

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