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發表於 2011-5-22 22:18 | 顯示全部帖子
Have you considered the trunk group of OBi device?

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發表於 2011-5-28 12:22 | 顯示全部帖子
You may use ET263 on your GOIP. Whenever your relative in Mainland China calls your mobile number in GOIP, it formware to call another ET263 account to improve the voice quality for over 15 minutes chat.

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