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Use of 2100 Hz tone in Central Station Receivers

  • Thread starter VoIP Network Guy
  • Start date
V

VoIP Network Guy

Jan 1, 1970
0
Hello,

I'm looking for any technical specs that would shed some light on what
alarm protocol formats (or receivers) that make use of a 2100 Hz tone
as part of the Handshake/Kissoff negotiation.

Any help or pointers would be appreciated.

VoIP Guy.
 
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