228121 ⎘
Aspects of automatic or semi-automatic exchanges related to features of supplementary services Path replacement
Intercepting voice over IP communications and other data communications
#2Call recording in a telecommunications network
#3Call recording in a telecommunications network
#4Intercepting voice over IP communications and other data communications
#5Local exchange implementation method for local call
#6PBX mobility system with multiple call legs
#7PBX mobility system with multiple call legs
#8Methods and Devices for Control of Explicit Call Transfer
#9Intercepting voice over IP communications and other data communications
#10METHOD AND DEVICE FOR BLIND TRANSFER SERVICE
#11Methods and systems for releasing a voice mail system from a communication and further processing the communication
#12Systems and methods for at least partially releasing an appliance from a private branch exchange
#13Method and system for processing calls by proxy
#14Methods and systems for releasing a voice mail system from a communication and further processing the communication
#15Call extension in telecommunications systems
#16Method and apparatus for building and presenting network designs