Monday 2 October 2017

THIS IS WHAT WE CALL OUT OF BAND SIGNALLING WHICH IS ONE OF THE SIGNALLING CATEGORIES

1) SIGNALLING INFORMATION ARE SENT OVER DEDICATED CHANNEL THAT IS SEPERATED FROM THE CHANNEL USED FOR THE TELEPHONE CALL.

2) SIGNALLING INFORMATION IS CARRIED IN A DIFFERENT CHANNEL CALLED SIGNALLING LINK

3) ALLOWS FOR THE TRANSPORT OF MORE DATA AT HIGHER SPEED SINCE SETIUP SIGNALS AND TRANSMISSION OF USER MESSAGES CAN BE SENT SIMULTANEOUSLY.

4) OUT OF BAND SIGNALLING - THE SIGNALLING IS TRANSMITTED OUTSIDE THE FREQUENCY BAND OF SPEECH SIGNAL.
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