Version 6.2 491 February 2011
SIP User's Manual 10. Configuration Parameters Reference
Parameter Description
194.
[PerformAdditionalIP2TELSourceMani
pulation]
Enables additional source number manipulation for IP-to-
Tel calls. The additional manipulation is done on the
initially manipulated source number, and this additional
rule is also configured in the manipulation table
(SourceNumberMapIP2Tel parameter). This enables you
to configure only a few manipulation rules for complex
number manipulation requirements (that generally require
many rules).
[0] = Disable (default)
[1] = Enable
Phone-Context Parameters
Web/EMS: Add Phone Context As Prefix
[AddPhoneContextAsPrefix]
Determines whether the received Phone-Context
parameter is added as a prefix to the outgoing Called and
Calling numbers.
[0] Disable = Disable (default).
[1] Enable = Enable.
Web: Phone Context Table
EMS: SIP Manipulations > Phone Context
[PhoneContext]
This ini file table parameter defines the Phone Context
table. This parameter maps NPI and TON to the SIP
Phone-Context parameter. When a call is received from
the Tel, the NPI and TON are compared against the table
and the corresponding Phone-Context value is used in
the outgoing SIP INVITE message. The same mapping
occurs when an INVITE with a Phone-Context attribute is
received. The Phone-Context parameter appears in the
standard SIP headers (Request-URI, To, From,
Diversion) where a phone number is used.
The format for this parameter is as follows:
[PhoneContext]
FORMAT PhoneContext_Index = PhoneContext_Npi,
PhoneContext_Ton, PhoneContext_Context;
[\PhoneContext]
For example:
PhoneContext 0 = 0,0,unknown.com
PhoneContext 1 = 1,1,host.com
PhoneContext 2 = 9,1,na.e164.host.com
Notes:
This parameter can include up to 20 indices.
Several entries with the same NPI-TON or Phone-
Context are allowed. In this scenario, a Tel-to-IP call
uses the first match.
To configure the Phone Context table using the Web
interface, see ''Mapping NPI/TON to SIP Phone-
Context'' on page 135.
For a description on using ini file table parameters,
see ''Configuring ini File Table Parameters'' on page
194.
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