Distributed control of telecommunication network for setting up
Distributed gateway system for telephone communications
Distributed key telephone station network
Distributed signaling system seven call handling system
Distributed telephony management
Distributing calls over serving centers of a large customer
DNIC peripheral extender
Drive and method for transferring unbundled network elements...
Duplex structure signal transfer point system for common channel
DX circuit
Dynamic adaptation to congestion in connection-oriented...
Dynamic concentration of announcement circuits
Dynamic control of multiple heterogeneous traffic sources...
Dynamic control of multiple heterogeneous traffic sources...
Dynamic load limiting
Dynamic routing-administration
Dynamic STP routing in response to triggering
Dynamic updating of SCP through ISUP messages
Dynamically controlled routing of calls in intelligent networks
Dynamically controlled routing using virtual nodes