SIP User's Manual 84 Document #: LTRT-68806
Mediant 2000 & TP-1610 & TP-260/UNI
Table 5-8: General Parameters (Protocol Definition)
Parameter Description
Enable Semi-Attended Transfer
[EnableSemiAttendedTransfer]
Determines the gateway behavior when Transfer is initiated
while still in Alerting state.
Valid options include:
 [0] Disable = Send REFER with Replaces (default).
 [1] Enable = Send CANCEL, and after a 487 response is
received, send REFER without Replaces.
3xx Behavior
[3xxBehavior]
Determines the gateway's behavior when a 3xx response is
received for an outgoing INVITE request. The gateway can
either use the same call identifiers (CallID, branch, to and
from tags) or change them in the new initiated INVITE.
 [0] Forward = Use different call identifiers for a redirected
INVITE message (default).
 [1] Redirect = Use the same call identifiers.
Enable P-Charging Vector
[EnablePChargingVector]
Enables the addition of a P-Charging-Vector header to all
outgoing INVITE messages.
Valid options include:
 [0] Disable = Disable (default)
 [1] Enable = Enable
Enable VoiceMail URI
[EnableVMURI]
Enables or disables the interworking of target and cause for
redirection from Tel to IP and vice versa, according to RFC
4468.
Valid options include:
 [0] Disable = Disable (default).
 [1] Enable = Enable
Upon receipt of a SETUP request with redirect values, the
gateway maps the Redirect phone number to the target
parameter, and the Redirect number reason to the cause
parameter in the Request-URI.
Redirecting Reason >> Value
Unknown >> 404
User busy >> 486
No reply >> 408
Deflection >> 487/480
Unconditional >> 302
Others >> 302
If the gateway receives a Request-URI that includes a target
and cause parameters, the target is mapped to the redirect
phone number and the cause is mapped to redirect number
reason.
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