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 Date: 2011-04-04 04:16:20Broadband Videotelephony Voice over IP Telephony Internet Text over IP Digital telephony Technology Electronics Electronic engineering |
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Date: 2011-04-04 04:16:20Broadband Videotelephony Voice over IP Telephony Internet Text over IP Digital telephony Technology Electronics Electronic engineering |
Add to Reading List |
INTERNATIONAL TELECOMMUNICATION UNION Document: IPTEL[removed]May 2000 Original: English