... 1 console(RJ-11 connector) Company profile:Shenzhen Ejoin Technology Co.,Ltd. (Ejointech )was founded in Shenzhen, China in 2003, focused on VoIP ... specialized service as powerful and flexible based-SIP VoIP communication solutions, OEM and ODM services for carriers and providers ... (Cisco, Huawei etc.), for deploying flexibly many communication solutions, to bring deeper clarity and better end user ...