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).
What is Google Talk, you ask? In short, this feature of Google is the year 2012’s answer to instant messaging services. It takes the idea associated of online text messaging, and has updated them to include a variety of other aspects, all with one goal in mind: to make the user’s life easier. Imagine a Talk outlet that allows you to chat and share whatever is on your mind, and also fuses together concepts made popular by VOIP and SIP technologies, and you have a good starting overview on the innovative technology Google Talk provides.
China skyline
This is Helen Hu from China Skyline which in the field of VoIP products, GSM Modem, sim bank and wifi phone. And also deal in routes .Urgent need non cli 92 pak direct route who has voip gateway .
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