Using call waiting, Putting a call on hold, Using call waiting putting a call on hold – Siemens U15 User Manual

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Using call waiting, Putting a call on hold, Using call waiting putting a call on hold | Siemens U15 User Manual | Page 68 / 188 Using call waiting, Putting a call on hold, Using call waiting putting a call on hold | Siemens U15 User Manual | Page 68 / 188
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