- SIMTON
- IPPBX,Softphone,IPX,SIP server.
- Address:Minhang area zhongchun Road 4999
- TRIXAS TECHNOLOGY CO., LTD
- voip gateway, goip, ippbx, gsm gateway, asterisk card, analog telephone adapter, ip phone, isdn card, pri card, sip server.
- Address:GAOXIN, xian, Shanxi, China
- SpeedVoip Co.,Ltd
- voip gateway, SIP server.
- Address:RM#2101, Wenan Centre, WenJin Plaza,TianBei 1 Road, LuoHu district,ShenZhen, China Shenzhen Guangdong 518000 China
- Shenzhen Roytel Technology Ltd
- ip pbx, voip pbx, pbx, voip, voip gateway, e1 t1 trunking gateway, signaling gateway, softswitch, sip server, fxs fxo gateway, ip phone, video phone, ip phone system, telephone system, digital trunk, analog trunk, ss7, pri, qsig, isdn,Pbx,Pbx,Pbx,Pbx,Pbx.
- Address:Shenzhen, Guangdong, China
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