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).
The enhanced voicemail contains unique functions that allow keeping saved messages for longer time, more space for saving messages, a big length of a message and other qualities.
IIA
Welcome to IIA(Internet In Air), an Advanced Technology Architecture, Design and Consultancy group. IIA professionals have vast experience and have worked with International Multinationals and bear deployment & commercial experience Worldwide.
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