Shenzhen Cesller Technology Co., Ltd.
Manufacturer of telecommunication equipment such as VOIP (IP) PBX, virtual PBX, PBX phone system, asterisk PBX, hosted PBX, VOIP PBX system, small business PBX, PBX software, business telephone system, global digital system, ISDN digital telephone systems, access & telephone managers, wireless PBX, group-phone system.
China