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一个比一个火气大 ' m& u: s/ x: }( B* o, H
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TTY/TDD enables you to use your device’s phone if you are hearing impaired.( z+ j) C2 j; e: P3 G
Select Default Mode to send and receive text. Select VCO Mode (Voice Carry Over)
2 k$ ?% v8 Q7 d# d6 ito send voice and receive text. Select HCO Mode (Hearing Carry Over) to send text# z& H$ H- y" f4 O
and receive voice. See the following section, “TTY Use With Sprint Service,” for
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这个会有影响? 我的一直是off的 |
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