LAN phone system with automatic fallback for power or...
Least cost router
Least cost routing method according to information transfer capa
Load sharing in SS7 networks
Local exchange carrier escape list for local number portability
Local number portability cross connect method
Local number portability cross connect switch and method
Local number portability cross connect switch network
Local number portability intelligent signaling transfer point
Local route groups and transformation patterns
Local routing management in a telecommunications network
Local routing management in a telecommunications network
Local routing system and method
Local routing system and method
Local routing system and method
Logging tap for digital telephone lines