R2 COURSE Jaime Silva MAYO 2001 PRELIMINARY AN LE E1 R2 Signalling System (REGISTER Signalling) 16 300 3400 HZ FORWARD Signals : Group I, Group II SIGNAL MEANING OF THE SIGNAL I-1Digit 1 I-2 Digit 2 I-3 Digit 3 I-4 Digit 4 I-5 Digit 5 I-6 Digit 6 I-7 Digit 7 I-8 Digit 8 I-9 Digit 9 I-10Digit 0 I-11 Access to incoming Operator I-12Access to delay Operator I-13 Access to Test Equipment I-14Incoming half echo suppressor req.
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