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Analog caller identification transmission method and apparatus

  • US 6,493,439 B2
  • Filed: 08/02/2001
  • Issued: 12/10/2002
  • Est. Priority Date: 01/13/1999
  • Status: Expired due to Term
First Claim
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1. A method for routing analog Caller ID signals comprises:

  • receiving an incoming telephone call for a first telephone extension, the incoming telephone call associated with a first set of analog Caller ID signals;

    asserting a ringing signal to the first telephone extension, the ringing signal including the first set of analog Caller ID signals;

    coupling the incoming call to the first telephone extension;

    receiving a request to couple the incoming call from the first telephone extension to a second telephone extension;

    receiving a request to send the first set of analog Caller ID signals to the second telephone extension; and

    asserting a ringing signal to the second telephone extension, the ringing signal including the first set of analog Caller ID signals.

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