User Manual
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SunComm Technologies Co., Ltd.
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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 SUNCOMM 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
