US PATENT SUBCLASS 379 / 88.21
.~.~ Caller identification received at substation

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

67.1  DF  AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS {13}
88.19  DF  .~ Call source identification {2}
88.21.~.~ Caller identification received at substation

DEFINITION

Classification: 379/88.21

Caller identification received at substation:

(under subclass 88.19) Call source identification wherein the disclosed information relating to the incoming call is forwarded to a substation.