E1/T1
A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
Grandsteam GXV-3140 video phone from Grandstream Networks represents a next generation of interpersonal IP multimedia communications. Extraordinary quality of video, advanced telephone functions and rich user interface are implemented in a smooth industrial design of this stand out device. This model of the phone has crystal clean color 4,3 inch display and 1.3 megapixel CMOS camera, built in dual port switch and wide range of additional interfaces, such as slots for SD cards, USB port, stereo headsets, audio and video output etc, advanced standards of video compression H.263/263+, H.264 and full duplex speaker phone.
Allnet Services
Founded in 1998, Allnet Services is a full-service systems integrator that provides installation, maintenance and rehabilitation of a variety of communication systems. Our services include installation and maintenance of structured cable systems, voice, d
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