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.

sos (sos)
(#226363@0)
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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