Alarm system not taking incoming call (ring issue?)
QBZappy:
@RFord
I'm too curious, I need to ask if you are the mayor of Toronto (Canada)? :D
drgeoff:
Three simple questions with simple answers. :)
Have you tried connecting a phone in place of the alarm system to the OBi and calling in?
Have you tried connecting both a phone and the alarm system (using a T-connector or doubler or whatever they are called in the US) to the OBi and calling in?
I really don't expect it to make any difference but have you tried setting the Phone Port, Idle Polarity to Reverse?
Thomasvs:
To the various questions:
I bought my alarm system on ebay and it is a no-brand Chinese made system (Model Z64). There is not much documentation for it. Nevertheless, the fact is that the "receive call" feature of the alarm system works with the regular land line but not with the OBi device. (Calling out works without a problem)
I have a phone connected to the output of the alarm system so I can also hear the phone ring.
I tried the idle polarity reversed but it did not make a difference.
I wonder if the voltage needs to be higher than the 82 volts that the system allows (It can be set from 55 to 82). I read that the standard for a regular land line is 90VAC.
Has anyone have issues with answering machines or fax machines not receiving calls?
Any suggestions? ???
MikeHObi:
Quote from: Thomasvs on February 02, 2014, 12:29:33 pm
Has anyone have issues with answering machines or fax machines not receiving calls?
Any suggestions? ???
Open a ticket with Obihai and see if they can provide some suggestions. I assume they have better understanding of their device and what they are doing to generate the ring tone.
If they provide some assistance the post back what it was that solved it.
Note in the US, minimum must detect ring voltage supplied is 40Vrms. Minimum ignore value is 10Vrms.
http://www.epanorama.net/documents/telecom/telephone_ringer.html
giqcass:
What is the model of the alarm? If we can pull information up about it we will have a better understanding of the problem. Since we have so little information about it I can only speculate but I am guessing you programmed it to answer calls from specific numbers. Is that correct? I suspect the way Caller Id is transmitted might be part of the issue. There may be a way for the Obi to intercept the call adjust the CID and possibly fix your problem.
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