... ) 1 console(RJ-11 connector) Company profile:Shenzhen Ejoin Technology Co.,Ltd. (Ejointech )was founded in Shenzhen, China in 2003, ... Video phones, IPPBX, IVR,ACD and value added applications, we also provides specialized service as powerful and flexible based-SIP VoIP communication ... (Cisco, Huawei etc.), for deploying flexibly many communication solutions, to bring deeper clarity and better end user ...