Circuits and Signalling

T1 Cicruits: Each T1 circuit consits of 24 channels. Each channel is capable of holding one voice call of 64kbps. If there are not enough voice calls then the gaps are padded with null values. The 24 channels are grouped in a frame. It depends whether it is SF (i.e. frame of 12 channels) orContinue reading “Circuits and Signalling”