3Com MSR 50, MSR 30 manual Types and code schemes of Isdn numbers, 579

579

reserved. The following table lists the possible number types and code schemes. For more information, see the related protocol reference manual.

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
	Type			Code scheme
8	7	6	5	4	3	2	1
ANSI	0	0	0					User-specified
	0	1	0					National network identification
	0	1	1					International network identification
				0	0	0	0	Unknown/user-specified
				0	0	0	1	Carrier identification code
				0	0	1	1	Data network identification code (ITU-T
								Recommendation X.121)
AT&T	0	0	0					Unknown
	0	0	1					International number
	0	1	0					National number
	1	0	0					Subscriber number
				0	0	0	0	Unknown
				0	0	0	1	ISDN/telephony numbering loan
								(Recommendation E.164/E.163)
				1	0	0	1	Private numbering plan
DSS1	0	0	0					Unknown
	0	0	1					International number
	0	1	0					National number
	0	1	1					Network specific number
	1	0	0					Subscriber number
	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
ETSI	0	0	0					Unknown
	0	0	1					International number
	0	1	0					National number
	0	1	1					Network specific number

1 0 0 Subscriber number