Zoom Room Controller 5.3.0 Support and Resolved Issues

New Features:

• ✔️ Zoom Room Controller 5.3.0 Support - Systems support for Zoom Room Controller (ZRC) 5.3.0, containing the latest security updates from Zoom. For more information, visit the Zoom Help Center.

Enhancements:

Nothing known

Fixed Bugs:

• Application - Users unable to join meetings using Alexa for Business commands.
• Calendar - Phone may repeatedly reboot if WPAD feature is enabled with `<code>feature.wpad.proxy="PROXY :"</code>`.
• Calendar - Trio treats four-digit numbers in meeting subject as dialable.
• Calling - SIP alert-info headers still result in unmuted calls despite being set for auto-answer with muted microphone.
• Messages - A synchronization issue can drop calls after approximately 45 minutes on Trio phones paired with Poly Trio VisualPro and Polycom Pano.
• Network - Trio C60 cannot define Wi-Fi preferred band (2.4GHz or 5GHz).
• Network - Initial MAC address used is 0004F2000000 instead of the phone’s own MAC in IPv6 ICMP.
• Network - 802.1x authentication not usable on Trio C60 for network connection.

Open Issues:

• Application - Volume control display slider doesn't appear when daisy-chaining two Trio C60 systems.
• Audio - Ringback tone may not play for first outgoing Teams calls after reboot.
• Audio - Trio C60 may not reduce Zoom call volume to zero using hardware volume keys when paired with a Zoom Room PC.
• Audio - Trio in Zoom Room PC Base Profile may not provide audio during Microsoft Teams calls using the 3rd Party Join feature.
• Calendar - Meetings scheduled for All Day don't display when the Trio C60 is connected to OTD via generated credentials.
• Calendar - BlueJeans Network meetings scheduled for All Day may show incorrect meeting times.
• Calling - Poly Trio phones reboot when failing back to primary if primary is unavailable.
• Device Management - Telnet breaks upon incorrect username or password entry.
• Hardware - Green LEDs remain illuminated if a user quickly hangs up from a Skype for Business conference call.
• Network - Trio receives broadcast packets from default VLAN when configured to use a VLAN.
• Peripherals - Bluetooth keyboards fail to work when paired with a Trio C60.
• User Interface - System web interface displays incorrect time changes if the device time zone is altered.
• User Interface - Trio may reboot unexpectedly when declining multiple incoming calls during a conference call.
• User Interface - Wi-Fi connection status incorrectly reports as not connected to cloud server when it is connected.

Update Instructions:

Nothing known