Applicable Product: Nyquist E7000, and Nyquist C4000 Applicable Releases: Nyquist E7000 8.0.0:1050 and Nyquist C4000 5.0.0:740 Fixed in Releases: Nyquist E7000 9.0.0, Nyquist C4000 6.0.0 with Firmware 4.0.351 or higher Firmware File Name: NyqUpdate-3.0.690.tar.gz How to apply updated firmware: Use "Firmware" view of the Nyquist web interface. This new Nyquist appliance firmware version (NyqUpdate-3.0.690.tar.gz) provides the following fixes: [NYQ-7125] Fixed an issue when a bell tone was sent to non-overlapping zones on a NQ-E7030 - ASB where the bell does not sound as a continuous tone. [NYQ-7217] Fixed an issue where audio distribution cut level momentarily changed after hanging up an intercom call. [NYQ-7219] Fixed an issue where no call assurance tone occurred for normal, urgent, and emergency calls on a NQ-E7030 - ASB. [NYQ-7306] Fixed an issue on NQ-GA10P/V where the rheostat was set to an incorrect value when device type was set to "Speaker and Analog Call Switch".