
CS-64 Administration and Set Up Guide Page 3Essential Trading Systems Corp.
Release notes:
4/1/2021 Ver 2.1.34 Adds EIA Tone feature
12/11/2020 Ver 2.1.28 Fixes issue with slow volume adjust (requires Atmel IC firmware upgrade to be
effective), Fixes audio bleed through issue, fixes log file download bug
5/9/2020 Ver 2.1.21 Fixes bug related to Privacy mode while operating in Unicast
3/16/20 Ver 2.1.17 Introduce new features: DTMF Steering, check boxes for RTP & RTCP keep alives.
Fixed bugs: Audio bleed through.
7/1/19 Ver 2.1.0 Introduce CB Mic operation (CS-74), Wall mode, Unicast mode (CS-64), Audible IP
address announce. Implemented security patches, add support for Speex (CS-74).
Bug fixes: No PBX server IP field blank, footswitch & handset selection HF,
Tick/audio gap on PTT.
9/21/18 Ver 2.0.31 Add “Mic Boost” feature. Bug fixes – SIP disconnect protocol issue when save &
reload executed, SIP registration & autoconnect issue after save & reload, SIP
Privacy PTT issue – constant Tx with no PTT active.
7/23/18 Ver 2.0.23 Bug Fixes - issue concerning static to dhcp reboot freeze up, issue saving Log
File priority changes.
6/6/18 Ver2.0.21 Fixes TTL (Time To Live) bug.
5/4/18 Ver2.0.20 Bug fixes – Device ID reporting (SIP), Constant RTP output during call (SIP),
RTCP timeout (SIP)
4/20/18 Ver 2.0.15 Implemented new “simulcast” feature (SIP Only), Improvements to Handsfree
Audio, normalized levels between hands free, gooseneck & headset operations.
Bug fixes – Firmware upgrade process, SIP messaging device ID.
3/9/18 Ver 2.0.0 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.
12/28/17 Ver 1.1.9 Added: SIP Registration Fail timer field, PTT DTMF * # feature. Fixed Auto Answer
check box bug on CS-74. No Changes to Multicast functions & features.
9/10/17 Ver 1.1.8 No changes to multicast functions & features.
5/1/17 Ver 1.1.7 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.
10/3/16 Ver 1.1.6.1 Added feature: SIP VAD.
8/30/16 Ver 1.1.6 Added features: PTT Mutes Speaker, RTCP. Fixed bugs for : syslog, 20ms packet
size, SIP 480 responses, NTP. Minor webpage verbiage changes
6/15/15 Ver 1.1.4 Added features: call without registration, RTP keep alive, single channel reload,
SNMP, device type switching. Improved call status reporting.
12/15/15 Ver 1.1.3g Fix files size limits in OS kernel. Must be loaded on any device with pre-1.1.4
firmware to allow further firmware upgrades.
12/8/15 Ver 1.1.3.2 Fix device feeze up after unknown period of time.