填空题
. A—multimedia message service J—fixed dial
B—subscriber identity module K—automatic redial
C—voice prompt L—two-way charging scheme
D—high fidelity M—call divert
E—flip answer N—power off
F—slide phone O—out of service
G—warning tone P—outgoing call
H—roaming service Q—contact
I—standby mode
填空题
1. ______呼叫转移 ______双向收费机制
填空题
2. ______翻盖接听 ______漫游服务
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3. ______语音提示 ______自动重拨
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4. ______彩信服务 ______限制呼叫
填空题
5. ______待机模式 ______高保真