3Com MSR 30, MSR 50 manual Ntt, Qsig

580CHAPTER 37: ISDN CONFIGURATION COMMANDS

Table 100 Types and code schemes of ISDN numbers

Protocol	Field (Bit) value								Definition
		Type			Code scheme
	8	7	6	5	4	3	2	1
		1	1	0					Abbreviated number
		1	1	1					Reserved for extension
					0	0	0	0	Unknown
					0	0	0	1	ISDN/telephony numbering plan
									(Recommendation E.164)
					0	0	1	1	Data numbering plan (Recommendation
									X.121)
					0	1	0	0	Telex numbering plan (Recommendation
									F.69)
					1	0	0	0	National standard numbering plan
					1	0	0	1	Private numbering plan
					1	1	1	1	Reserved for extension
NI		0	0	0	0	0	0	0	Unknown number in Unknown numbering
									plan
		0	0	1	0	0	0	1	International number in ISDN numbering
									plan (Rec. E.164)
		0	1	0	0	0	0	1	National number in ISDN numbering plan
									(Rec. E.164)
		0	1	1	1	0	0	1	Network specific number in private
									numbering plan
		1	0	0	0	0	0	1	Local (directory) number in ISDN numbering
									plan (Rec. E.164)
		1	1	0	1	0	0	1	Abbreviated number in private numbering
									plan
NTT		0	0	0					Unknown
		0	1	0					National number
		0	1	1					Network specific number
		1	0	0					Subscriber number
					0	0	0	0	Unknown
					0	0	0	1	ISDN/telephony numbering plan
									(Recommendation E.164)
					1	0	0	1	Private numbering plan
QSIG		0	0	0	0	0	0	0	Unknown number in Unknown numbering
									plan
		0	0	0	0	0	0	1	Unknown number in ISDN/Telephony
									numbering plan (ITU-T Rec.E.164/E.163)
		0	0	1	0	0	0	1	International number in ISDN/Telephony
									numbering plan (ITU-T Rec.E.164/E.163)
		0	1	0	0	0	0	1	National number in ISDN/Telephony
									numbering plan (ITU-T Rec.E.164/E.163)
		0	1	1	0	0	0	1	Subscriber number in ISDN/Telephony
									numbering plan (ITU-T Rec.E.164/E.163)
		0	0	0	1	0	0	1	Unknown number in private numbering
									plan