1、以電腦為例子。進入139郵箱後點擊“短信”
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2、發送對象的號碼是聯通或者電信的，將不計入每個月的免費短信中去
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3、還可以選擇定時發送
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4、點擊發送即可完成，收信人的手機上顯示的就是妳手機的號碼
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短信：ShortMessageService，簡稱SMS，是用戶通過手機或其他電信終端直接發送或接收的文字或數字信息，用戶每次能接收和發送短信的字符數，是160個英文或數字字符，或者70個中文字符。
2014年中國移動宣布將通過“融合通信”構建移動互聯網時代用戶新的業務入口。這壹舉措被業內解讀為：放棄短信，擁抱融合通信。?
中國移動“新短信”將按流量收費。作為“融合通信”業務規劃的壹部分，知情人士表示，該業務有望於今年12月中下旬披露亮相，爭取在2015年年底前實現商用。