Method for generating a dialing directory in a network...

Method for generating a telephone number

Method for interactively entering alphanumeric text into a...

Method for monitoring telephone call progress

Method for off-hook detection during ringing and the use of a su

Method for outputting user feedback audio messages and telecommu

Method for recognizing an off-hook condition on a single...

Method for registering and searching dialing information in...

Method for registering phone number in telephone

Method for remote population of speed dial information

Method for ring signal detection

Method for selectively controlling the propagation of dual-tone

Method for simulating a ring back for a call between parties...

Method for the administration of a subscriber card for...

Method for transmitting charging signals via a data...

Method for triggering content download during call setup

Method of accessing a dial-up service

Method of and apparatus for exchanging compatible universal iden

Method of and circuit arrangement for evaluating the output sign

Method of and circuit arrangement for inserting dialling interva