AudioCodes Mediant 2000

User's Manual 308 Document #: LTRT-68822
Mediant 2000
NPI TON Description
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.
Level 2 Regional [1]
Level 1 Regional [2] A private number with a location, e.g., 3932200.
PISN Specific [3]
Level 0 Regional (local) [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