Nortel Networks TP-1610 SIP Numbering Plans and Type of Number, NPI/TON Values for Isdn Etsi

Mediant 2000 SIP

•[2,3,4]xxx# represents four-digit numbers that start with 2, 3 or 4

•54324 represents any number that starts with 54324

•54324xx# represents a 7 digit number that starts with 54324

•123[100-200]# represents all numbers from 123100 to 123200.

The VoIP gateway matches the rules starting at the top of the table. For this reason, enter more specific rules above more generic rules. For example, if you enter 551 in entry 1 and 55 in entry 2, the VoIP gateway applies rule 1 to numbers that starts with 551 and applies rule 2 to numbers that start with 550, 552, 553, 554, 555, 556, 557, 558 and 559. However if you enter 55 in entry 1 and 551 in entry 2, the VoIP gateway applies rule 1 to all numbers that start with 55 including numbers that start with 551.

5.8.3.2Numbering Plans and Type of Number

Numbers are classified by their Numbering Plan Indication (NPI) and their Type of Number (TON). The Mediant 2000 supports all NPI/TON classifications used in the standard. The list of ISDN ETSI NPI/TON values is shown as follows:

Table 5-2: NPI/TON Values for ISDN ETSI

NPI	TON	Description
Unknown [0]	Unknown [0]	A valid classification, but one that has no information about the
		numbering plan.
	Unknown [0]	A public number in E.164 format, but no information on what
		kind of E.164 number.
	International [1]	A public number in complete international E.164 format. For
E.164 Public [1]		example: 16135551234
	National [2]	A public number in complete national E.164 format. For
		example: 6135551234
	Subscriber [4]	A public number in complete E.164 format representing a local
		subscriber. For example: 5551234
	Unknown [0]	A private number, but with no further information about the
		numbering plan
Private [9]	Level 2 Regional [1]
	Level 1 Regional [2]	A private number with a location. For example: 3932200
	PISN Specific [3]
	Level 0 Regional (local) [4]	A private local extension number. For example: 2200

For NI-2 and DMS-100 ISDN variants the valid combinations of TON and NPI for calling and called numbers are (Plan/Type):

•0/0 - Unknown/Unknown

•1/1 - International number in ISDN/Telephony numbering plan

•1/2 - National number in ISDN/Telephony numbering plan

•1/4 - Subscriber (local) number in ISDN/Telephony numbering plan

•9/4 - Subscriber (local) number in Private numbering plan

Mediant 2000 SIP User’s Manual 48 Document #: LTRT-72504