Apparatus and method for allocating channels in plural communica

Telecommunications – Radiotelephone system – Including private cordless extension system

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455462, 455426, 455450, H04Q 720

Patent

active

060029390

ABSTRACT:
A cordless telephone with no control channels which makes connection possible even when the handset or the base unit is within the area of another cordless telephone. When effecting connection between the handset and base unit through a pair of communication channels, connection request data is transmitted from one to the other of the handset and base unit by using one of a pair of communication channels paired with the other which is available as seen from the transmitting side. From the other side, on which the communication request data is received, data indicating whether the communication channel through which the connection request data has been transmitted is busy or not is sent. The transmission of connection request data is repeated through different communication channels until the data sent back indicates an available channel. When the data sent back indicates an available channel, connection is effected from then on between the handset and base unit through this available pair of channels.

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