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[交换网技术] 在移动交换机里一路64kbit/s的信息里包含一路手机话音还是4路话音[求助] |
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发表于 2005-3-7 17:42:00
在固网交换机里一路64kbit/s的信息里包含一路固话话音信息手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
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