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Busy lamp field, Operating aastra 6739i sip telephone – AASTRA 6739i for Aastra 800 and OpenCom 100 User Guide EN User Manual

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Busy lamp field, Operating aastra 6739i sip telephone | AASTRA 6739i for Aastra 800 and OpenCom 100 User Guide EN User Manual | Page 35 / 56 Busy lamp field, Operating aastra 6739i sip telephone | AASTRA 6739i for Aastra 800 and OpenCom 100 User Guide EN User Manual | Page 35 / 56