1
Yang Cao: Apparatus and method for automatic port identity discovery in heterogenous systems. Lucent Technologies, May 11, 2004: US06735215 (8 worldwide citation)

A network element for use in a heterogeneous telecommunications system employs “out of band” signalling to automatically discover the identity of the two ports connecting two network elements through a specific link. Either of the connected network elements may be a circuit switching network element ...


2
Cao Yang: Apparatus and method for automatic port identity discovery in heterogenous systems. Lucent Technologies, November 7, 2001: EP1152635-A2

A network element for use in a heterogeneous telecommunications system employs "out of band" signalling to automatically discover the identity of the two ports connecting two network elements through a specific link. Either of the connected network elements may be a circuit switching network element ...


3
Cao Yang: Appareil et methode didentification automatique des ports pour systemes heterogenes hierarchises, Apparatus and method for automatic port identity discovery in heterogenous systems. Lucent Technologies, Lucent Technologies, KIRBY EADES GALE BAKER, July 10, 2007: CA2338974

A network element for use in a heterogeneous telecommunications system employs "out of band" signalling to automatically discover the identity of the two ports connecting two network elements through a specific link. Either of the connected network elements may be a circuit switching network element ...