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).
Aastra 6753i is a classic SIP terminal, ensuring convenient work with the high flow of incoming calls in a professional manner.
Cititone Communications Limited
Cititone delivers VoIP services, A-Z termination, support and software solutions.
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