ETC CS-74S Administration & Setup Manual page 3

Release notes:
5/7/18 Ver 2.0.20
4/20/18 Ver 2.0.15
3/9/18 Ver 2.0.0
12/15/17 Ver 1.1.9
9/10/17 Ver 1.1.8
5/1/17 Ver 1.1.7
10/3/16 Ver 1.1.6.1
8/30/16 Ver 1.1.6
6/15/15 Ver 1.1.4
12/15/15 Ver 1.1.3g
12/8/15 Ver 1.1.3.2
3/18/15 Ver 1.1.3
11/24/14 Ver 1.1.2
9/22/14 Ver 1.1.1
6/11/14 Ver 1.1.0
CS-74 Administration and Set Up Guide
Bug fixes – Device ID reporting (SIP), Constant RTP output during active call (VAD),
RTCP timeout.
Implemented new "simulcast" feature. Improvements to handsfree audio,
normalized levels between hands free, gooseneck & headset operations. Bug fixes
– Firmware upgrade, SIP messaging device ID.
New release for new & improved CS-74/64. This version is not backward
compatible. Applies only to SN-2180xxxx and above. Major hardware changes.
New features added: Privacy, full duplex Hands Free.
Added: SIP Registration Fail timer field, PTT DTMF * # feature. Fixed Auto Answer
check box bug on CS-74
Added: enable/disable ring tones on CS-74. Made improvements to No PBX mode,
added new factory reset function (press all 4 buttons)
Added features: Call w/o PBX, HTTPS, QoS(DSCP). Fixed bugs with: single
channel reload, device type switching. Implemented several changes to web page
layout and descriptions.
Added feature: SIP VAD.
Added features: PTT Mutes Speaker, RTCP. Fixed bugs for : syslog, 20ms packet
size, SIP 480 responses, NTP. Minor webpage verbiage changes
Added features: call without registration, RTP keep alive, single channel reload,
SNMP, device type switching. Improved call status reporting.
Fix files size limits in OS kernel. Must be loaded on any device with pre-1.1.4
firmware to allow further firmware upgrades.
Fix device feeze up after unknown period of time.
Improvements to code structure, add microphone limiter circuitry.
Patch "shellshock bash" vulnerability, improvements to audio quality, improvements
to volume adjust controls, add Listen Only feature to channels, remove half duplex
mode, fix various other bugs.
Fixed numerous bugs discovered in 1.1.0
First official release.
Page 3 Essential Trading Systems Corp.