DVG-6008G VoIP Gateway User Manual
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D-Link Corporation
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3) Check the Network Configuration, if the Configuration is incorrect, please re-
Configuration. If you are using DHCP mode, check DHCP Server is working properly;
4) Check whether there is a LAN device conflict with the exists IP ADDRESS.
7.2 Equipment cannot register
If the Run LED does not flash mean unregistered
1) Check the network connection is working (see above section), whether the Configuration
is correct;
2) Check whether the LAN firewall setting is inappropriate (such whether limit the network
communication); If it is, there are two ways to try to resolve;
3) Check whether the Local Network to the SIP PROXY platform network environment is
relatively poor or not, and if so, please check Local Network or contact the service provider;
4) if go through those steps, the device still be in trouble, please contact the equipment
provider;
7.3 When calling out, the callee’s phone shows wrong caller ID
1) Ask the callee checks whether the device is failure or device battery power is low
2) Make sure the callee has been subscribed called User ID display service
3) If only part of the caller User ID with this problem, please contact the telecom carrier.
7.4 Sudden interruption during a call
1) make sure whether is human error caused the problem
2) Check the balance.
3) Make sure whether the LAN equipment such as gateway or router fails, user can try to
restart the gateway or router
7.5 Voice single-pass, double-barrier or poor quality
1) Make sure the equipment is working properly with grounded power
2) Check the device network connection is in working status
3) Ask network administrators to open limitation with the equipment’s network
communications (it is a special equipment, not afraid of virus attacks); (2) try to enable the
equipment tunnel (through the WEB for Configuration, Also, please NOTE, open the tunnel
will impact voice quality, Please do not enable the tunnel as far as possible, refer WEB