CHAPTER72 Configuration Parameters Reference
Mediant 800 Gateway & E-SBC | User's Manual
Parameter Description
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 ISDN Setup message.
If the incoming 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.
Note: The parameter is applicable only to digital
interfaces.
'MLPP DiffServ'
configure voip/gateway
dtmf-supp-service supp-
service-settings/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, for digital
interfaces, outgoing MLPP calls with the Resource-
Priority header.
The valid range is 0 to 63. The default is 50.
'Preemption Tone Duration'
preemp-tone-dur
[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.
■ The parameter is applicable only to digital
interfaces.
'MLPP Normalized Service Domain'
mlpp-norm-ser-dmn
[MLPPNormalizedServiceDomain]
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.
■ The parameter is applicable only to digital
interfaces.
mlpp-nwrk-id
[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).
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