
Debian 10.8.0 AMD64 (needed for release 6.0) click here (Note: This is a “netinstall” image that requires Internet access to properly install.)
Important Patch 1 for version 3.0.0.555 #TSB-C4-2021-02 (released 3/31/2021)
Important Network Setup Guidelines needed for upgrading to version 3.0.0.555 #TSB-C4-2021-01 (released 2/25/2021)
Server Software
C4000 Software General Release 3.0.0.555 (released 2/18/2021) (Note: This software requires a valid License Activation Key to install and Internet access to activate.)
Release Notes
C4000 Server Software Release Notes 3.0.0.555 (released 2/18/2021)
Patches
C4000 3.0.0.555 Patch 1 (released 3/24/2021)
Patch Release Notes
C4000 3.0.0.555 Patch 1 (released 3/24/2021)
Appliance Firmware
NOTE: The appliance firmware for a given release is distributed as part of the server software package to ensure compatibility. As such, only subsequent updates to appliance firmware will appear in this section.
C4000 Appliance Firmware 1.2.1657 (released 3/24/2021)
Appliance Firmware Release Notes
C4000 Appliance Firmware 1.2.1657 Release Notes (released 3/24/2021)
C4000 End-User License Agreement
C4000 V3.0 System Features Highlights
System Update Subscription Sell Sheet
System Update Subscription Terms & Conditions
Users Manuals
C4000 V3.0 System Administrator Manual
C4000 NQ-SYSCTRL System Controller Installation and Use Manual
NQ-E7020 Digital Call Switch Quick Start Guide
NQ-E7020 Digital Call Switch Instruction Guide – Making Normal & Emergency Calls
NQ-E7020 Digital Call Switch Instruction Guide – Making Urgent & Emergency Calls
NQ-E7020 Digital Call Switch Instruction Guide – Making Emergency Calls
NQ-A2300 2-Channel Audio Power Amplifier Installation and Use Manual
NQ-A2060, NQ-A2120 2-Channel Audio Power Amplifiers Installation and Use Manual
NQ-GA10P, NQ-GA10PV VoIP Intercom Module Installation and Use Manual
NQ-E7010 Input/Output Controller Installation Manual
NQ-GA20P2 PoE+ Integrated Amplifier Installation & Use Manual
NQ-PAxxx Series Public Address Amplifiers Installation & Use Manual
NQ-T1000 VoIP Phone User Manual
Configuration Manuals
C4000 System Controller Setup Guide
C4000 Server Installation and Setup Guide
NQ-A2060, NQ-A2120, NQ-A2300 2-Channel Audio Amplifiers Configuration Manual
NQ-A4060, NQ-A4120, NQ-A4300 4-Channel Audio Power Amplifiers Installation and Use Manual
NQ-A4060, NQ-A4120, NQ-A4300 4 Channel Audio Power Amplifiers Configuration Manual
NQ-E7020 Digital Call Switch Application Manual
NQ-E7010 Input/Output Controller Configuration Manual
NQ-GA10P, NQ-GA10PV VoIP Intercom Module Configuration Manual
NQ-GA20P2 PoE+ Integrated Amplifier Configuration Manual
NQ-PAxxx Series Public Address Amplifiers Configuration Manual
NQ-P0100 Matrix Mixer Pre-Amp Installation Manual
NQ-S1810CT-G2 VoIP Ceiling Speaker Installation
NQ-S1810WT-G2 VoIP Wall Baffle Speaker Installation
Nyquist VoIP G2 Speaker Configuration Manual