US PATENT SUBCLASS 379 / 230
.~.~ Signalling path distinct from trunk (e.g., CCIS)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


379 /   HD   TELEPHONIC COMMUNICATIONS

219  DF  PLURAL EXCHANGE NETWORK OR INTERCONNECTION {6}
229  DF  .~ Interexchange signalling {6}
230.~.~ Signalling path distinct from trunk (e.g., CCIS)

DEFINITION

Classification: 379/230

Signalling path distinct from trunk (e.g., CCIS):

(under subclass 229) Subject matter wherein the control or

supervisory signals for a group of trunks are multiplexed and transmitted over a single separate communication channel.