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為什麼有些SIP分機沒有顯示來話號碼?
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T-7012
T-702
T-703
來話顯示
網路電話
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TENTEL國洋論壇
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Nov 13, 2017, 12:15:21 AM
11/13/17
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有些SIP與類比話機兩用的電話交換機,在外線來電轉入類比分機時,交換機會對電話分機傳送來話號碼,但若SIP分機則無。詳請電洽國洋通信(02)27857758。
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