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一个比一个火气大 8 x8 F X0 q& g4 k
$ J. E/ c4 Y4 {TTY/TDD enables you to use your device’s phone if you are hearing impaired.
$ m3 s2 m; D# j6 I9 qSelect Default Mode to send and receive text. Select VCO Mode (Voice Carry Over)
7 u& f) @ B- c$ `. |to send voice and receive text. Select HCO Mode (Hearing Carry Over) to send text, N$ Q$ m$ t+ `% y
and receive voice. See the following section, “TTY Use With Sprint Service,” for' ^4 O$ G0 s" m
more information.
7 ^, q* M" M1 }. Y0 o4 l8 E3 x2 I; N4 ~4 q! h3 k
这个会有影响? 我的一直是off的 |
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