Description Specifies whether to check ReqURI that is the part of SIP URI in "To"
header when INVITE with wrong target SIP URI is received.
Value Range
• Y
• N
Default Value
N
SIP_CONTACT_ON_ACK_n
Parameter Name Example SIP_CONTACT_ON_ACK_1, SIP_CONTACT_ON_ACK_2, …,
SIP_CONTACT_ON_ACK_16
Value Format BOOLEAN
Description Specifies whether to add the "Contact" header to SIP ACK message.
Value Range
• Y (Add the "Contact" header)
• N (Do not add the "Contact" header)
Default Value
N
VOICE_MESSAGE_AVAILABLE
Value Format BOOLEAN
Description Specifies how the existence of voice messages is determined when a
"Messages-Waiting: yes" message is received.
Value Range
• Y (Determines that voice messages exist when "Messages-
Waiting: yes" is received with a "Voice-Message" line included.)
• N (Determines that voice messages exist when "Messages-
Waiting: yes" is received even without a "Voice-Message" line
included.)
Default Value
Y
SIP_INVITE_EXPIRE_n
Parameter Name Example SIP_INVITE_EXPIRE_1, SIP_INVITE_EXPIRE_2, …,
SIP_INVITE_EXPIRE_16
Value Format INTEGER
Description Specifies the period, in seconds, in which the INVITE message will
expire.
Value Range 0, 60–65535 (0: Disable)
Default Value 0
SIP_FOVR_NORSP_n
Parameter Name Example SIP_FOVR_NORSP_1, SIP_FOVR_NORSP_2, …,
SIP_FOVR_NORSP_16
Value Format BOOLEAN
Description Specifies whether to perform the fail-over process when the unit
detects that the SIP server is not replying to SIP message.
5.3.22 SIP Settings
242 Administrator Guide Document Version 2016-05