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Useful hints, Connections between external lines – AASTRA 4187 Plus for BusinessPhone User Guide EN User Manual

Page 90

Useful hints, Connections between external lines | AASTRA 4187 Plus for BusinessPhone User Guide EN User Manual | Page 90 / 104 Useful hints, Connections between external lines | AASTRA 4187 Plus for BusinessPhone User Guide EN User Manual | Page 90 / 104