DWG2000E/F/G GSM/CDMA VoIP Gateway User Manual
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Shenzhen Dinstar Technologies Co., Ltd.
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provider;
7.3 When calling out, the calle
e’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 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