topic (Non-BT)Grandstream VOIP handset on BT Business Broadband in Archive https://business.forums.bt.com/t5/Archive/Non-BT-Grandstream-VOIP-handset-on-BT-Business-Broadband/m-p/32345#M4872 Fri, 18 Nov 2011 12:45:12 GMT markp 2011-11-18T12:45:12Z (Non-BT)Grandstream VOIP handset on BT Business Broadband https://business.forums.bt.com/t5/Archive/Non-BT-Grandstream-VOIP-handset-on-BT-Business-Broadband/m-p/32345#M4872 Fri, 18 Nov 2011 12:45:12 GMT https://business.forums.bt.com/t5/Archive/Non-BT-Grandstream-VOIP-handset-on-BT-Business-Broadband/m-p/32345#M4872 markp 2011-11-18T12:45:12Z