User's Manual 564 Document #: LTRT-10532
Mediant 500L Gateway & E-SBC
NPI TON Description
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