
DWG2000C-4/8G User Manual
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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
5.5 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 Configuration Interface Description section)
4) Make sure the LAN equipment is working, user can try to restart the gateway or router to solve the
problem
5) Check whether there is more than one DINSTAR series products in LAN network: some gateways or
routers, processing network packet is vulnerable (for example, to multiple network devices or the same
protocol network communication, NAT allocated the same conversion communications Channel). If there
is such a case, suggest replacing a router or specify each voice gateway with different LOCAL RTP
PORT Channel (refer to the base WEB Configuration interface section)
6) Check the equipment network environment for the softswitch platform, monitor the network condiation,
make sure the network is solid
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