Version 6.6 667 October 2014
Installation & Operation Manual 41. PSTN Gateway and IP-to-IP Applications
NPI TON Description
Subscriber [4] A public number in complete E.164 format
representing a local subscriber. For example:
5551234
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. 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
½ - National number in ISDN/Telephony numbering plan
¼ - Subscriber (local) number in ISDN/Telephony numbering plan
9/4 - Subscriber (local) number in Private numbering plan
To Next Page
Loading...
