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Showing posts with label Voip Announcement. Show all posts
Showing posts with label Voip Announcement. Show all posts

Sunday, August 30, 2009

Tadiran Telecom to Provide Advanced Communications for Beijing Subway

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Tadiran Telecom will be providing advanced communication solutions for the Beijing Subway, which is planned to become the largest subway in the world by 2015. Under the new agreement, Subway Line 15 and Daxing, which is a subway line in the southern city quarter, will include 87 units of IPx3000 system and FlexiCom 5000 system connected across 57 km of tracks. That will provide converged voice, data and video communications, dispatch and system-wide management applications for the monitoring of the whole network in real-time.

“Mission critical, converged communication systems that support voice, data, video and advanced communications have become a necessity in the transportation market. Tadiran has been leading this technological ground,” said Zeev Aviv, VP Sales & Marketing of Tadiran Telecom. “The Beijing Subway is an ambitious project with special communication requirements. Tadiran Telecom will make use of the experience, customization capabilities and know-how that it has accumulated in the transport industry over the past decade. Our flexibility and reliability have yielded success in past projects and have made Tadiran the company of choice for China’s transportation projects.”

According to the company:

Tadiran Telecom solutions are already providing mission-critical communications to much of Beijing’s public transportation, including the Beijing Subway lines 4 and 5, the Airport Express subway line, and the Beijing Airport Command Center. Due to the successful installations, Tadiran Telecom has been chosen again over competition from major players such as Siemens, Alcatel, Feihong, Ericsson and Harris. Line 15 is the sixth line awarded in the Beijing subway to KTT, Tadiran’s subsidiary in China.


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Saturday, August 29, 2009

Skype: Worth a try ? see this

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Is Skype a good option for making calls worldwide?

Skype – the immensely popular Internet phone product – has 50 million users worldwide though I don’t have an idea of its users base in Pakistan. It uses a proprietary technology which leverages every user’s PC resources to route calls. One of the most impressive thing about Skype is how it manages to work through all sorts of network security features which usually block similar services.

Here’s an illustration of how Skype works (Courtsey:Business Week). Here is Skype’s official explanation.

HowSkypeWorks

In this post I’ll try to assess if skype is a worthwhile tool to have. For starters Skype is free so all you need is a PC and Internet. PC to PC voice and video communication is free with Skype and with many others (Google, Yahoo, MSN). The real question is about making calls from PC to phone numbers. Calls from Skype to US and Canada are free till 2006 end.

According to WiredPakistan users and other feedback, dialup works reasonably well with Skype for some users and broadband speeds of 128 Kbps or more definitely work quite well. Skype is a good communication tool for broadband users but it is worth trying by dialup users as well. Use it before it starts charging for calls or gets blocked!

Here are some helpful tips if your connection is not that fast:
–Users on dialup or narrowband should avoid multi-tasking.
–Use a decent PC .. Skype needs at least
* 400 MHz processor; 128 MB RAM; 15 MB free hard disk space
* Sound Card, speakers and microphone


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