AudioCodes Mediant 500L - Page 554

User's Manual 554 Document #: LTRT-10532
Mediant 500L Gateway & E-SBC
Note:
• You can configure multiple rows with the same NPI/TON or same SIP 'phone-
context'. In such a configuration, a Tel-to-IP call uses the first matching rule in the
table.
• To add the incoming SIP 'phone-context' parameter as a prefix to the outgoing
ISDN Setup message with called and calling numbers, from the 'Add Phone
Context As Prefix' drop-down list (AddPhoneContextAsPrefix), select Enable.
Table 25-7: Phone Contexts table Parameter Description
Parameter Description
Index
[PhoneContext_Index]
Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
NPI
npi
[PhoneContext_Npi]
Defines the Number Plan Indicator (NPI).
 [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 563.
TON
ton
[PhoneContext_Ton]
Defines the Type of Number (TON).
 [0] Unknown
 [1] International-Level2 Regional
 [2] National-Level1 Regional
 [3] Network-PSTN Specific
 [4] Subscriber-Level0 Regional
 [6] Abbreviated
The applicable values depend on the NPI value:
 If you select Unknown as NPI, you can select Unknown.
 If you select Private as NPI, you can select one of the following:

[0] Unknown

[1] International-Level2 Regional

[2] National-Level1 Regional

[3] Network-PSTN Specific

[4] Subscriber-Level0 Regional
 If you select E.164 Public as NPI, you can select one of the
following:

[0] Unknown

[1] International-Level2 Regional

[2] National-Level1 Regional

[3] Network-PSTN Specific

[4] Subscriber-Level0 Regional
 [6] Abbreviated
SIP Phone-Context
context
[PhoneContext_Context]
Defines the SIP 'phone-context' URI parameter.