| Nortel CS 1500 24.07.2008 Nortel "" NGN Communication Server (CS) 1500 NGN , , 50 . ... » |
| NGN Nortel 05.02.2008 Nortel CS 1500 Roberts County Telephone, - ( ), Nortel [NYSE/TSX: NT], VoIP Nortel Communication Server 1500 (CS1500) - Rural Utilities Service (RUS) -, -. RUS , , IPTV VoIP... » |
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