Incoming trunk NM source code
toll incoming trunk circuit
Two-way trunk， bidirectional trunk
Barring of All Incoming Calls
Barring of All Incoming Calls BAIC
Barring of Incoming Calls
Barring of Incoming Calls when Roaming outside home PLMN
barring of incoming calls when roaming outside the home PLMN country (BIC-Roam)
closed user group with incoming access
coefficient of incoming sediment
DC incoming line switch
decrease of incoming sediment
enviromental control constituting incoming
gas burbine incoming gas temperature