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D-Link DPH-18MS User Manual
Section - Installation
• UPnP Setting
UPnP:
Enable or disable the UPnP function.
• NAT Keep Alive Time Settings
Always Send Keep
Alive Packet:
Keep Alive Time:
Enable or disable the function to send the lightweight packets for keeping the tunnel that is established by NAT
router for SIP signaling.
The time period that the VoIP phone sends out the lightweight packets for keeping the tunnel alive.
Click
Submit
to save and activate the changes, or
Reset
to restore the configurations.
Summary of Contents for DPH-128MS - VoiceCenter VoIP Phone
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