- 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 This product ships in approximately 1 days