Version 7.2 987 Mediant 1000B Gateway & E-SBC
User's Manual 62. Configuration Parameters Reference
Table 62-32: General SIP Parameters
Parameter Description
Send reject on overload
configure voip > sip-
definition settings > reject-
on-ovrld
[SendRejectOnOverload]
Disables the sending of SIP 503 (Service Unavailable) responses upon
receipt of new SIP dialog-initiating requests when the device's CPU is
overloaded and thus, unable to accept and process new SIP
messages.
 [0] Disable = No SIP 503 response is sent when CPU overloaded.
 [1] Enable (default) = SIP 503 response is sent when CPU
overloaded.
 Note: Even if the parameter is disabled (i.e., 503 is not sent), the
device still discards the new SIP dialog-initiating requests when the
CPU is overloaded.
SIP 408 Response upon
non-INVITE
configure voip > sip-
definition settings > enbl-
non-inv-408
[EnableNonInvite408Reply]
Enables the device to send SIP 408 responses (Request Timeout)
upon receipt of non-INVITE transactions. Disabling this response
complies with RFC 4320/4321. By default, and in certain
circumstances such as a timeout expiry, the device sends a SIP 408
Request Timeout in response to non-INVITE requests (e.g.,
REGISTER).
 [0] Disable = SIP 408 response is not sent upon receipt of non-
INVITE messages (to comply with RFC 4320).
 [1] Enable = (Default) SIP 408 response is sent upon receipt of
non-INVITE messages, if necessary.
Remote Management by
SIP Notify
configure voip > sip-
definition settings > sip-
remote-reset
[EnableSIPRemoteReset]
Enables a specific device action upon the receipt of a SIP NOTIFY
request, where the action depends on the value received in the Event
header.
 [0] Disable (default)
 [1] Enable
The action depends on the Event header value:
 'check-sync;reboot=false': triggers the regular Automatic Update
feature (if Automatic Update has been enabled on the device)
 'check-sync;reboot=true': triggers a device reset
Note: The Event header value is proprietary to AudioCodes.
Max SIP Message Length
[KB]
[MaxSIPMessageLength]
Defines the maximum size (in Kbytes) for each SIP message that can
be sent over the network. The device rejects messages exceeding this
user-defined size.
The valid value range is 1 to 100. The default is 100.
[SIPForceRport] Determines whether the device sends SIP responses to the UDP port
from where SIP requests are received even if the 'rport' parameter is
not present in the SIP Via header.
 [0] = (Default) Disabled. The device sends the SIP response to the
UDP port defined in the Via header. If the Via header contains the
'rport' parameter, the response is sent to the UDP port from where
the SIP request is received.
 [1] = Enabled. SIP responses are sent to the UDP port from where
SIP requests are received even if the 'rport' parameter is not
present in the Via header.
Reject Cancel after Connect
configure voip > sip-
definition settings > reject-
Enables or disables the device to accept or reject SIP CANCEL
requests received after the receipt of a 200 OK in response to an
INVITE (i.e., call established). According to the SIP standard, a
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