The D600 provides the complete desk phone solutions with flexible functionality, HD Voice Quality, and highly easy operation. It is absolutely an excellent Desk Video Phone for small to large sized....
Through all members enormous efforts since the foundation in 2002, Guangdong Global Telecommunication Technology Co., Ltd., Global Tech, has set up a high reputation in the data and optical....
Global Tech PCM Fiber Mux GT-PCM-OP series product can transport long distance telephone signal on fiber cable. GT-PCM-OP can transport multi ports of voice, V.35, E1 and FE to fulfill client service....