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http://www05.sbc.com/ucontent/1,,112,00.html
Electronic Key Line Centrex Optional Features
If you're interested in upgrading your Electronic Key Line Centrex system or individual lines, here is a list of the available optional features. If you'd like more information on any feature, simply click on its name.
Streamline internal office communications


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Note added at 2002-12-11 11:19:07 (GMT)
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http://www.crosston.com.hk/plant2.html

All of its engineering personnels have accepted official training from the manufacturers and obtained official certificates. Sufficient TG-NT OPT11 products, ALLCATEL Key-line System and ALCATEL Cabing System Products and spare part are in stock and can be supplied at any time.


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Note added at 2002-12-11 11:23:30 (GMT)
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http://www.crosston.com.hk/alcatel.html
Alcatel Keyline Telephone System

Beijing Crosston Plantronics Telecommunication Ltd. is the authorized Distributor for Alcatel Key-line telephone system in PRC.

From the world\'s largest supplier of communications systems comes the revolutionary ALCATEL digital telephone system, a series of sophisticated digital telephone systems offering single-key access to a full range of user services.
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