Version 7.2 1137 Mediant 800B Gateway & E-SBC
User's Manual 72. Configuration Parameters Reference
Parameter Description
Note: The parameter is applicable only to the Gateway application.
Send All Coders on Retrieve
configure voip > gateway
dtmf-supp-service supp-
service-settings > send-all-
cdrs-on-rtrv
[SendAllCodersOnRetrieve]
Enables coder re-negotiation in the sent re-INVITE for retrieving an on-
hold call.
[0] Disable = (Default) Sends only the initially chosen coder when
the call was first established and then put on-hold.
[1] Enable = Includes all supported coders in the SDP of the re-
INVITE sent to the call made un-hold (retrieved). The used coder is
therefore, re-negotiated.
The parameter is useful in the following call scenario example:
1 Party A calls party B and coder G.711 is chosen.
2 Party B is put on-hold while Party A blind transfers Party B to Party
C.
3 Party C answers and Party B is made un-hold. However, as Party C
supports only G.729 coder, re-negotiation of the supported coder is
required.
Note: The parameter is applicable only to the Gateway application.
Multiple Packetization Time
Format
configure voip > sip-
definition settings > mult-
ptime-format
[MultiPtimeFormat]
Determines whether the 'mptime' attribute is included in the outgoing
SDP.
[0] None = (Default) Disabled.
[1] PacketCable = Includes the 'mptime' attribute in the outgoing
SDP - PacketCable-defined format.
The mptime' attribute enables the device to define a separate
packetization period for each negotiated coder in the SDP. The
'mptime' attribute is only included if the parameter is enabled even if
the remote side includes it in the SDP offer. Upon receipt, each coder
receives its 'ptime' value in the following precedence: from 'mptime'
attribute, from 'ptime' attribute, and then from default value.
configure voip > sip-
definition settings > enable-
ptime
[EnablePtime]
Determines whether the 'ptime' attribute is included in the SDP.
[0] = Remove the 'ptime' attribute from SDP.
[1] = (Default) Include the 'ptime' attribute in SDP.
3xx Behavior
3xx-behavior
[3xxBehavior]
Determines the device's behavior regarding call identifiers when a 3xx
response is received for an outgoing INVITE request. The device can
use the same call identifiers (Call-ID, To, and From tags) or change
them in the new initiated INVITE.
[0] Forward = (Default) Use different call identifiers for a redirected
INVITE message.
[1] Redirect = Use the same call identifiers in the new INVITE as
the original call.
Enable P-Charging Vector
p-charging-vector
[EnablePChargingVector]
Enables the inclusion of the P-Charging-Vector header to all outgoing
INVITE messages.
[0] Disable (default)
[1] Enable
Note: The parameter is applicable only to the Gateway application.
Retry-After Time
configure voip > sip-
definition settings > retry-
Defines the time (in seconds) used in the Retry-After header when a
503 (Service Unavailable) response is generated by the device.
The time range is 0 to 3,600. The default is 0.
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