Neutral tandem telecommunications network providing...
Next-generation network that reduces the effect of a service...
Node equipment, terminal equipment, and storage medium which...
Non-notified centralized operator in private telecommunication n
NPA split management in intelligent network environment
Number portability service in a telecommunication system
Number translation services matrix
One number intelligent call processing system
One number, intelligent call processing system
One number, intelligent call processing system
One number, intelligent call processing system
One number, intelligent call processing system
One-number global-services international numbering plan
Optimization of connection paths in a communications network
Optimum routing of calls over the public switched telephone...
Overload prevention in an intelligent network
Overload protection for on-demand access to the internet that re
Parallel data transfer and synchronization
Path replacement scheme
PBX call management