Version 6.4 677 March 2012
SIP User's Manual A. Configuration Parameters Reference
Parameter Description
[6] 6 = FLASH
[8] 8 = FLASH-OVERRIDE
[9] 9 = FLASH-OVERRIDE-OVERRIDE
If the incoming SIP INVITE request doesn't contain a valid priority
value in the SIP Resource-Priority header, the default value is used
in the Precedence IE (after translation to the relevant ISDN
Precedence value) of the outgoing PRI Setup message.
If the incoming PRI Setup message doesn't contain a valid
Precedence Level value, the default value is used in the Resource-
Priority header of the outgoing SIP INVITE request. In this
scenario, the character string is sent without translation to a
numerical value.
Web: MLPP DiffServ
EMS: Diff Serv
[MLPPDiffserv]
Defines the DiffServ value (differentiated services code
point/DSCP) used in IP packets containing SIP messages that are
related to MLPP calls. This parameter defines DiffServ for incoming
and outgoing MLPP calls with the Resource-Priority header.
The valid range is 0 to 63. The default value is 50.
Web/EMS: Preemption Tone
Duration
[PreemptionToneDuration]
Defines the duration (in seconds) in which the device plays a
preemption tone to the Tel and IP sides if a call is preempted.
The valid range is 0 to 60. The default is 3.
Note: If set to 0, no preemption tone is played.
Web: MLPP Normalized Service
Domain
EMS: Normalized Service
Domain
[MLPPNormalizedServiceDom
ain]
Defines the MLPP normalized service domain string. If the device
receives an MLPP ISDN incoming call, it uses the parameter (if
different from ‘FFFFFF’) as a Service domain in the SIP Resource-
Priority header in outgoing INVITE messages. If the parameter is
configured to ‘FFFFFF’, the Resource-Priority header is set to the
MLPP Service Domain obtained from the Precedence IE.
The valid value is 6 hexadecimal digits. The default is ‘000000’.
Note: This parameter is applicable only to the MLPP NI-2 ISDN
variant with CallPriorityMode set to 1.
[MLPPNetworkIdentifier]
Defines the MLPP network identifier (i.e., International prefix or
Telephone Country Code/TCC) for IP-to-ISDN calls, according to
the UCR 2008 and ITU Q.955 specifications.
The valid range is 1 to 999. The default is 1 (i.e., USA).
The MLPP network identifier is sent in the Facility IE of the ISDN
Setup message. For example:
MLPPNetworkIdentifier set to default (i.e., USA, 1):
PlaceCall- MLPPNetworkID:0100 MlppServiceDomain:123abc,
MlppPrecLevel:5
Fac(1c): 91 a1 15 02 01 05 02 01 19 30 0d 0a 01 05 0a 01 01 04
05 01 00 12 3a bc
MLPPNetworkIdentifier set to 490:
PlaceCall- MLPPNetworkID:9004 MlppServiceDomain:123abc,
MlppPrecLevel:5
Fac(1c): 91 a1 15 02 01 0a 02 01 19 30 0d 0a 01 05 0a 01 01 04
05 90 04 12 3a bc
Web: MLPP Default Service
Domain
EMS: Default Service Domain
Defines the MLPP default service domain string. If the device
receives a non-MLPP ISDN incoming call (without a Precedence
IE), it uses the parameter (if different than “FFFFFF”) as a Service
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