AudioCodes Mediant 1000B - Page 568

User's Manual 568 Document #: LTRT-27055
Mediant 1000B Gateway & E-SBC
supports all NPI/TON classifications used in the ETSI ISDN variant, as shown in the table
below:
Table 25-13: NPI/TON Values for ETSI ISDN Variant
NPI TON Description
Unknown [0] Unknown [0] A valid classification, but one that has no information
about the numbering plan.
E.164 Public
[1]
Unknown [0] A public number in E.164 format, but no information
on what kind of E.164 number.
International-Level2 Regional
[1]
A public number in complete international E.164
format, e.g., 16135551234.
National-Level1 Regional [2] A public number in complete national E.164 format,
e.g., 6135551234.
Network-PSTN Specific [3] The type of number "network specific number" is
used to indicate administration / service number
specific to the serving network, e.g., used to access
an operator.
Subscriber-Level0 Regional
[4]
A public number in complete E.164 format
representing a local subscriber, e.g., 5551234.
Abbreviated [6] The support of this code is network dependent. The
number provided in this information element presents
a shorthand representation of the complete number
in the specified numbering plan as supported by the
network.
Private [9] Unknown [0] A private number, but with no further information
about the numbering plan.
International-Level2 Regional
[1]
National-Level1 Regional [2] A private number with a location, e.g., 3932200.
PISN Specific [3]
Subscriber-Level0 Regional
[4]
A private local extension number, e.g., 2200.
For NI-2 and DMS-100 ISDN variants, the valid combinations of TON and NPI for calling
and called numbers include (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