Latest Firmware

Gateway Firmware

Release Date: 10th June 2022

Firmware Release Notes

  • Web GUI 2.14.27
  • User-defined Programs
  • Icecast/Shoutcast Streaming
  • WebGUI Headphone Control
  • DDNS Support
  • Front-panel UI Enhancements
  • AoIP Enhancements:
    • ST2022-7
    • Stream statistics
    • SAP Discovery
  • Extend TCP timeout to increase connection resilience in challenging network conditions
  • Fixed phase alignment issues affecting AES3 inputs 5/6 and 15/16
  • Web GUI 2.12.44:
    • Fixed issue where AoIP SDP uploads would do nothing after the first attempt
    • Fixed issue where rapid changes to sliders would result in the final position being incorrectly detected
  • Input/Output & Encode/Decode modes added to Gateway 8 front-panel PPMs
  • Front-panel UI enhancements
  • Prevent jitter buffer bloating on bursty networks
  • Fixed false “AES input lost” alarm on unlicensed inputs
  • Fixed issue where certain SIP registration errors would prevent retries
  • AoIP:
    • Fixed source IP address filtering
  • Web GUI 2.12.42
    • Added NMOS running state
    • Fixed flicker on re-render
    • Prevent text overflow for long names
    • Fixed issue where specific dB values could not be set in some textbox input fields
    • Fixed DNS search domain order
  • Added display settings menu to adjust backlight level and sleep mode
  • Added UI enhancements for ISDN
  • Fixed compressor scaling issue affecting soft knee performance
  • Show correct transport type on front-panel Connections screen
  • Added support for Report-IT GPIOs
  • Improved Luci compatibility
  • Fixed excessive distortion issue when EQ is over-driven
  • Fixed error in 8 x Mono Multicast Client plus Server use-case
  • AoIP:
    • Added RAVENNA support
    • Timeout after 10min if NMOS registry not found
    • Prevent channel swaps/shifts when receiving malformed packets
    • Fixed AoIP sub-system crash when changing stream parameters while streams are running
  • New features:
    • Support for Gateway 4
    • Smartstream+ support for multi-unicast streams.
    • Added Enhanced aptX algorithm
    • Dynamic Range Compressor and Graphic Equalizer
    • ISDN Support
    • VLAN configuration via front-panel UI
    • AoIP:
      • AES67 Increase stream count e.g. 16 streams for Gateway 16 etc.
      • AMWA NMOS Support (IS-04 and IS-05)
    • New Use-cases:
      • Phase-aligned audio i.e. 4.0, 5.1, 6.0, 7.1 and 8.0
      • 5x Stereo + 6x Mono (Gateway 16 only)
      • 4x Mono P2P
      • Stereo + 2x Mono P2P
      • 8x Multicast Client
      • 8x Multicast Server
      • 8 x Multicast Client + Server
  • Bug fixes:
    • Fixed excessive MP2 latency
    • Reduced AAC decode transport delay
    • Fixed issue where a 4×4 answering program wouldn’t answer the 4th connection
    • Fixed issue where programs would fail to load custom matrix
    • Reliability and logging enhancements
  • Web GUI 2.11.26
  • Added support for WNIP card
  • New features:
    • Codec WebGUI v2.11.24 and AoIP WebGUI v1.0.15
    • Added mix option to headphone source selection menu.
    • Improved AoIP subsystem startup time.
    • AoIP: Added SAP announcement support.
    • AoIP: Added support for hybrid E2E mode.
  • Enhancements:
    • Improvements to multiple, non phase-aligned AES3 on inputs 3-16.
    • Improvement to DHCP and static IP address.
    •  Improvements to headphone monitor selection for audio streams
    • Improvements to stream numbering in Connections panel.
    • Improvements to RS232 baud rate settings
    • Enhanced backup/restore with SD card.
    • Improved PTP QoS settings.
    • Enhanced destination setting.
    • enhanced media level connection description
    • Allowed spaces in stream config
    • enhanced mono audio stream in 2 channel mode.
    • Improvements to PTP lock.
    • Improvements to PTP management messages
    • Added additional PTP settings in WebGUI
    • Added additional logging info
  • AoIP:
    • Fixed source channel misalignment issues
    • Destination streams now automatically configured in 8 channel mode if imported SDP rtpmap attribute indicates more than 2 channels
    • Removed PTP “Auto” Delay Mechanism option
    • Added AoIP diagnostics
  • SIP:
    • Fixed STUN crash issue
  • Programs:
    • Fixed issue where editing loaded programs could lead to a crash on disconnect

Initial firmware release


Tech Notes


Some things to check if AES67 streaming is not working include:

  1. Check the PTP clock synchronization in the Tieline codec and the device to which it is streaming and confirm they are locked and synchronized. This is verified in the AES67 Synchronization panel in the Tieline codec’s HTML5 Toolbox web-GUI.

Destination Stream Troubleshooting (Device to Tieline)

  1. Ensure the global digital input setting is configured for AoIP and not AES3 via the Audio Options panel > Digital Input Type [Audio Over IP (AES67)]. To configure this via the codec front panel press the SETTINGS > Audio Options > Input Type > AoIP.
  2. If audio is still not being received from another device double-check that the input itself is configured for digital audio and not analog (only for inputs 1-8) in the Inputs panel. This can also be checked via SETTINGS > Audio Inputs [Select input] > Type > Digital.
  3. Confirm all settings match the device streaming audio to the Tieline codec. E.g. Audio Sampling Rate, Audio Sampling Depth, Packet Time, Number of Channels streamed.
  4. Confirm the stream Status is Running.

Important Note: PPMs on the AoIP Destinations panel are inactive if the Digital Input Type is not set to AES67 and the corresponding input Type is not set as Digital.

Source Stream Troubleshooting (Tieline to Device)

  1. Ensure audio is metering on the outputs streaming to the other device. Note: When streaming in AES67 mode, the Matrix Editor hard coded output channel assignments depend on the stream configuration mode. See Configuring AES67 Sources and Destinations for more details.
  2. Confirm all settings match the device to which audio is being streamed by the Tieline codec. E.g. Audio Sampling Rate, Audio Sampling Depth, Packet Time, Number of Channels streamed.
  3. Confirm the stream Status is Running.

Upgrading Firmware via SD Card

To download the latest codec firmware visit Copy the firmware file onto a FAT32 formatted SD card and then use the following procedure to perform a firmware upgrade. Note: A single partition FAT32 formatted SD card must be used.

  1. Disconnect all connections before attempting the firmware upgrade.
  2. Insert the SD card into the SD CARD SLOT on the front panel of the codec.
  3. Press the SETTINGS button.
  4. Navigate to System and press the OK button.
  5. Navigate down to Firmware and press the button.
  6. Navigate to the firmware file and press the OK button to commence the upgrade.
  7. Update progress is displayed and when complete the codec will automatically reboot.

Upgrading Firmware via the Toolbox Web-GUI

To download the latest codec firmware visit and save it to your PC.

  1. Disconnect all connections before attempting the firmware upgrade.
  2. Open the Toolbox HTML5 Web-GUI and click Settings in the Menu Bar, then click Firmware to display the Firmware panel.
  3. Click Browse firmware to search for the latest firmware and download it to your computer. Note: the Download firmware and Let codec download then install firmware links are only visible if firmware more recent than the currently installed version is available.
  4. Once the firmware has been saved locally, click Update from a selected file in the Firmware panel.
  5. Select the .bin file you are using to perform the upgrade and click Open to start the upgrade. IMPORTANT: The codec will reboot automatically after the firmware upgrade. DO NOT remove power or reboot the codec before the update has completed and the codec has rebooted itself.

Important Note: We recommend clearing your browser cache after the upgrade is complete when using the HTML5 Toolbox web-browser GUI to control codec functions. The short cuts for this are:

  • Google Chrome: shift+Ctrl+delete
  • Mozilla Firefox: Ctrl+shift+delete
  • Internet Explorer: Ctrl+shift+delete
  • Safari: Ctrl+alt+e

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