Packet generating method, data multiplexing method using the...
Partitioning of display for calling party numbers
Partitioning of display for calling party numbers
Passive distributed filter system and method including caller ID
Passive telephone monitor to control collaborative systems
PBX and adjunct using multi-frequency tones for communication th
Peer-to-peer data transfer using pre-existing caller ID...
Peer-to-peer transfer using pre-existing caller ID CLASS FSK...
Performance enhancement of tone detection and FSK detection usin
Personalized caller identification in a telephone network
Phone device directory entry addition
Picture and video message center system
Picture and video message center system
Picture phone with caller id
Picture/sound output equipment with caller identification...
Position specifying system, information collecting system,...
Printing caller ID
Private caller ID messaging
Procedure and system for processing identification numbers...