Numbering Plans And Type Of Number - AudioCodes Mediant 2000 User Manual

SIP User's Manual
Parameter
Add Phone Context As Prefix
[AddPhoneContextAsPrefix]
NPI
TON
Phone Context

18.3.6 Numbering Plans and Type of Number

The IP-to-Tel destination or source number manipulation tables allow you to classify
numbers by their Numbering Plan Indication (NPI) and Type of Number (TON). The device
supports all NPI/TON classifications used in the standard. The list of ISDN ETSI NPI/TON
values is shown in the following table:
NPI
Unknown [0]
E.164 Public
[1]
Version 6.4
Table 18-11: Phone-Context Parameters Description
Determines whether the received Phone-Context parameter is added
as a prefix to the outgoing ISDN SETUP message with Called and
Calling numbers.

[0] Disable (default)

[1] Enable
Select the Number Plan assigned to this entry.

[0] Unknown (default)

[1] E.164 Public

[9] Private
For a detailed list of the available NPI/TON values, see Numbering
Plans and Type of Number on page 251.
Select the Type of Number assigned to this entry.

If you selected Unknown as the NPI, you can select Unknown [0].

If you selected Private as the NPI, you can select one of the
following:

[0] Unknown

[1] Level 2 Regional

[2] Level 1 Regional

[3] PSTN Specific

[4] Level 0 Regional (Local)

If you selected E.164 Public as the NPI, you can select one of the
following:

[0] Unknown

[1] International

[2] National

[3] Network Specific

[4] Subscriber

[6] Abbreviated
The Phone-Context SIP URI parameter.
Table 18-12: NPI/TON Values for ISDN ETSI
TON
Unknown [0]
Unknown [0]
International [1]
Description
Description
A valid classification, but one that has no information
about the numbering plan.
A public number in E.164 format, but no information
on what kind of E.164 number.
A public number in complete international E.164
format, e.g., 16135551234.
251
18. GW and IP to IP
November 2011