BOSST60 IAX2 Phone User Manual (V1.43)
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ring type: Set ring type by selecting corresponding item from drop down
list.
dtmf: Set ring as ordinary rings in different frequency
not disturb: Set the phone do not ring by selecting this item.
Advanced: Set ring used the individualized tone provided by system
(need system support).
user define：Set ring as music saved by user by selecting this item.
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speaker in: Set the volume of handfree input.
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speaker out: Set the volume of handfree output.
