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 6739i SIP VoIP phone is a high-performance desktop phone with a touch screen and provides high-quality corporate communications with advanced features such as Bluetooth and Gigabit Ethernet.
Great Wave Telecom
We are Great Wave Telecom, based in Hong Kong, leading in VoIP industry. We do International Wholesale Provider & A~Z Terminationa.
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