Off-hook notifier
Offender message delivery system
On-hold message updating system and method
On-line communication terminal/apparatus
On-line secured financial transaction system through electronic
On-line test and diagnostic system for power system stabilizer
One number voice fax data PBX call discrimination
One-button intelligent CTI dialler
Opening command transmission system and method capable of reduci
Operating default group selectable data communication equipment
Operating method for a support facility for a medical...
Operator-controlled interactive communication device
Optically-coupled data access arrangement and transhybrid
Order confirmation system using clip and method thereof, and...
Outage notification device
Outbound telemetry device
Outgoing call reservation system and method for facsimile equipm