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Making a call on a third-party phone, Supplementary features – AASTRA 620d for Aastra 400 User Guide EN User Manual

Page 54

Making a call on a third-party phone, Supplementary features | AASTRA 620d for Aastra 400 User Guide EN User Manual | Page 54 / 101 Making a call on a third-party phone, Supplementary features | AASTRA 620d for Aastra 400 User Guide EN User Manual | Page 54 / 101