Skype for Business 电话会议

EN-plus：Skype for Business 电话会议
客户给我发来下面的电话会议邀请，请问怎样加入会议，求指点，谢谢！
Teilnehmen Join Skype Meeting
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Participate by phone
+49 (89) 382-44000 (Germany (DE)) German (Germany)
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Conference ID: 8299161
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