shenzhen sinovoip Co,Ltd -

shenzhen sinovoip Co,Ltd

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4gsm channels gateway goip-4,gsm/c***/wc*** gateway
Specification: 4gsm channel with 1WAN,1LAN 850/900/1800/1900MHZ
Detail: 1) 4 port(4 SIM Card) wireless (GSM or C***) VOIP gateway. 2)support self billing,account balance display 3)OEM support


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