DWR-921 4G LTE Router
User Manual
Configuring via Web-based Interface
The following elements are available on the page:
Parameter Description
SIP
Move the switch to the right to enable SIP. Such a setting allows
using the SIP ALG function. This function allows VoIP traffic to
pass through the NAT-enabled router.
9
RTSP
Move the switch to the right to enable RTSP. Such a setting allows
managing media stream: fast forward streaming audio/video, pause
and start it.
PPPoE pass through
Move the switch to the right to enable the PPPoE pass through
function.
IPsec pass through
Move the switch to the right to enable the IPsec pass through
function.
L2TP pass through
Move the switch to the right to enable the L2TP pass through
function.
PPTP pass through
Move the switch to the right to enable the PPTP pass through
function.
After specifying the needed parameters, click the APPLY button.
9 On the Connections Setup / WAN page, create a WAN connection, move the SIP switch to the right on the
Advanced / ALG/Passthrough page, connect an Ethernet cable between the LAN port of the router and the IP
phone. Specify SIP parameters on the IP phone and configure it to obtain an IP address automatically (as DHCP
client).
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