83 Matrix SETU VFXTH System Manual
The Trusted IP Address Table opens in a new window.
• Enter the IP Address and the corresponding Port from which you want to allow incoming calls on
this SIP Trunk. You can configure maximum 21 characters. Allowed characters are 0-9, dot (.),
colon (:).
Do not configure the port, if you want to allow incoming calls from all the ports for a particular IP
Address.
• Click Submit and close the window.
• If you want to allow incoming calls on this SIP Trunk only after the callers authenticate themselves with
their User ID and Password, enable Digest Authentication. Default: Disabled.
If you enable Digest Authentication feature on the SIP Trunk, you must configure the Digest
Authentication Table. See “Digest Authentication” for more details.
• Keep the Check SIP ID for Incoming SIP Message check box enabled, if you want SETU VFXTH to
validate the SIP ID during an incoming call. Default: Enabled.
• Keep the Check Proxy Address for Incoming SIP Message check box enabled, if you want SETU
VFXTH to validate the Proxy Address during an incoming call. Default: Enabled.
• Keep the Check Proxy Port for Incoming SIP Message check box enabled, if you want SETU
VFXTH to validate the Proxy Port during an incoming call. Default: Enabled.
• Select Send OPTIONS message as Heartbeat check box, if you want SETU VFXTH to send
OPTIONS messages periodically to the Proxy Server to monitor its availability. Default: Disabled.