- Up to 202 phones and 64 concurrent calls - Administrative - Call Answering - Call Management - Call Screening - Convenience - Cost & Bandwidth Saving - Epygi Media Streamer (EMS) - Utility - HotCall Add-In for Microsoft Outlook - HotKeyCall - QX-Quadro Configuration Console (QCC) - System Security Software - Unified Communications - QXFXO4: Recommended Number (max) 16 - QXISDN4: Recommended Number (max) 8 - QXE1T1: Recommended Number (max) 2 (E1 mode) 3 (T1 mode) - QXFXS24: Recommended Number (max) 8