CHAPTER68 Configuration Parameters Reference
Mediant 1000 Gateway & E-SBC | User's Manual
Parameter Description
configure voip >
sip-definition
settings > mult-
ptime-format
[MultiPtimeFormat]
■ [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.
'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.
[RetryAfterMode] Defines the device’s behavior when it receives a SIP 503
(Service Unavailable) containing a Retry-After header, in
response to a SIP message (e.g., REGISTER) sent to the proxy
server.
In certain scenarios (depending on the value of this parameter),
the device considers the proxy as offline (down) for the number of
seconds specified in the Retry-After header. During this timeout,
the device does not send any SIP messages to the proxy. This
condition is indicated in the Syslog message as "server is now
Unavailable - setting Retry-After timer to x secs".
■ [1] = (Default) Handle Locally. The device considers the
proxy as offline regardless of the type of SIP message sent to
the proxy for which the 503 response was received.
■ [0] = Transparent. The behavior depends on the type of SIP
message sent to the proxy for which the 503 response was
received:
✔ SIP OPTIONS message: The device considers the
proxy as offline.
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