User's Manual 958 Document #: LTRT-89730
Mediant 3000
Parameter Description
 Indices 1, 2, 3, 5, and 7 cannot be modified and are defined for DSN,
DOD, DRSN, UC, and CUC, respectively.
 If the MLPPDefaultNamespace parameter is set to -1, interworking
from PSTN NI digits is done automatically.
Default Call Priority
[SIPDefaultCallPriority]
Determines the default call priority for MLPP calls.
 [0] 0 = (Default) ROUTINE
 [2] 2 = PRIORITY
 [4] 4 = IMMEDIATE
 [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.
MLPP DiffServ
[MLPPDiffserv]
Defines the DiffServ value (differentiated services code point/DSCP)
used in IP packets containing SIP messages that are related to MLPP
calls. The parameter defines DiffServ for incoming and outgoing MLPP
calls with the Resource-Priority header.
The valid range is 0 to 63. The default is 50.
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.
MLPP Normalized Service
Domain
[MLPPNormalizedService
Domain]
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: The 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
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