Program OBi to Dial Only One Number

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bsdaiwa:
I have a situation where I would like to install a phone that has no ability for anyone to dial a number other than one specific number. I have found wall phones that come without a dial or dial pad so my plan was to use one of those. I would like the user to be able to lift the receiver and that would trigger the dialing sequence to only one specific number. I was thinking of using an OBi 100 but I don’t know if I can program it to react to the phone being off hook and then only dialing one specific number. I would also like to program the OBi so that it could not dial any other number, in the event someone figured out how to hack the wall phone.

Can I do what I want using the OBi 100 and can anyone tell me how?

Thanks in advance to any and all who can help.

drgeoff:
Yes, very easy.

Modify the Phone Port's Digit map to
(<S4:1234567890>)

Change 1234567890 to the real number you want to call. Change the first 4 to the time in seconds you want as a delay between taking the phone off-hook and the dialling starting.  Can be 0 if you want immediate.

azrobert:
You can use a standard phone with that config. Anything dialed will be rejected. Use S0 and the caller won't have time to dial anything.

bsdaiwa:
Thanks drgeoff and azrobert, have an old phone I can use and saves me buying a new one.

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