you can get enough from yahoo by input key words about that. And if you are the guy in those fields, you should knew where to get the info.

project (Project)
2001-10-16 -05:00

回到话题: Hello, guys, who know some website that have some knowledge or experience about telecommunication to introduce. I am interested in the field about SONET, VOIP, SWITCH, CALL CENTRE.

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