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PulsePkt3aPulse packet register signaling uses R1 frequencies with 50msec on/off periods. The packet that contains call category (signal number 13), echo info (signal number 10), called number and packet terminator (signal number 11) is sent in one package after the request from the upper exchange. The correct reception of the packet is confirmed by the upper exchange. Since the called number is sent in a package with predefined timing periods, to route out a call from Pulse Pkt3a E1, accumulation of digits before routing is required. |