AudioCodes Mediant 2000 User Manual page 366

Parameter
For ETSI ISDN variant, the following Number Plan and Type combinations (Plan/Type) are supported
in the Destination and Source Manipulation tables:

0,0 = Unknown, Unknown

9,0 = Private, Unknown

9,1 = Private, Level 2 Regional

9,2 = Private, Level 1 Regional

9,3 = Private, PISN Specific

9,4 = Private, Level 0 Regional (local)

1,0 = Public(ISDN/E.164), Unknown

1,1 = Public(ISDN/E.164), International

1,2 = Public(ISDN/E.164), National

1,3 = Public(ISDN/E.164), Network Specific

1,4 = Public(ISDN/E.164), Subscriber

1,6 = Public(ISDN/E.164), Abbreviated
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
SIP User's Manual
Description
366
Mediant 2000
Document #: LTRT-68809