Devices, softwares and methods for rule based determination...
Dial access stack architecture
Dial access stack architecture
Dial access switching interface for frame relay
Dial-out with dynamic IP address assignment
Dialed-digit based determination of whether to originate a...
Dialing plan arrangement for expandable telecommunications...
Digital browser phone
Digital data communication system using video telephony
Digital loop carrier or other multi-services access system...
Digital loop carrier remote terminal having integrated...
Digital network access server
Digital packet network for the local access loop
Digital packet network for the local access loop
Digital private signaling system over internet protocol
Digital subscriber line communication method and apparatus
Digital subscriber line services
Digital subscriber loop access circuit for digital switch and pa
Digital trunk interface unit for use in remote access system
Direct end-office trunking