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| 29 Apr 02 | China Unicom and China Mobile Realize Nationwide SMS Interconnection
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| 09 Apr 02 | China Unicom Accomplishes the Trial on CDMA Network
- Launching Commercial Operation of CDMA Services Formally on April 9 |
| 27 Mar 02 | China Unicom Announces 2001 Final Results |
| 29 Jan 02 | China Unicom and China Railcom Reach Network Interconnection and Settlement Agreement
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| 21 Jan 02 | China Unicom Launches Global Internet Roaming Service |
| 08 Jan 02 | China Unicom CDMA Services Commences on 8 January 2002 |
| 23 Dec 01 | China Unicom to Launch the Operation of CDMA Network on 31 December 2001 |
| 18 Dec 01 | Resolutions Approved for China Unicom's Leasing of CDMA Network Capacity |
| 27 Nov 01 | Unicom Group's Local Fixed Line and Cellular Networks Interconnect with China Netcom's IP Telephony Networks |
| 26 Nov 01 | Unicom Group and Asia Global Crossing Sign Memorandum of Understanding on the Landing of East Asia Crossing |
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