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Analogue Trunk of PABX Release Driver： The Analogue Trunk of PABX Release Driver (8-port) which can detect the busy trunks instantly and release the trunk .Perfect application in different kinds of PABX, the PABX conference call and the VOIP.....

Features: 1) FSK / DTMF caller ID 2) Call pick up 3) Call transfer 4) OGM for auto-attendant mode 5) Music on holding 6) Single communication path 7)2 or 3 communication paths 8) Plastic casing 9) Weight: 0.7kg 10) Length: 19.5cm 11).....

Dear Sir / Madam, Nice to meet you in here, I'm glad to introduce our products are PABX and CCTV(camera, DVR) for you. and export above equipment to over the world. PABX full name is Private Automatic Branch Exchange, it can be use for office, .....

通信设备防雷保护：低电容，低电压防雷保护：半导体防雷管，固体放电管： P系列过电压保护器, 该类器件适用于模拟和ISDN线卡以及PABX系统、主分配机构等。广泛应用于通讯系统一、二级的防雷电保护......