Introduction:

Product Model:

• fw920M.rom: UC926/UC926E/UC924/UC924E/UC923

• fw900M.rom: UC912E/UC902/UC903/UC912/UC912G/UC902

• fw910M.rom: UC921/UC921G/UC902S

• fw920U.rom: UC926U/UC924U/UC924W/UC923U

• fw930M.rom: UC921E

Release Date:

• 2022.07.10

Version: 2.42.6.5.21R28

New Add Features

• N/A

Improve Feature

• Optimize WiFi signal display issue.

• Optimize the sound quality of UC921E.

Delete Features

• N/A

Bug fixes

• Fixed the issue of packet loss when capturing packets on the phone.

• Fixed some stability issues.

Version: 2.42.6.5.21R26

New Add Features

• N/A

Improve Feature

• N/A

Delete Features

• N/A

Bug fixes

• Incorporated translated Dutch.

• Fixed some stability issues.

Version: 2.42.6.5.21R22

New Add Features

• N/A

Improve Feature

• N/A

Delete Features

• N/A

Bug fixes

• Fixed some stability issues.

• Incorporated Portuguese translation.

• Incorporated translated Dutch.

Version: 2.42.6.5.21R19

New Add Features

• N/A

Improve Feature

• N/A

Delete Features

• N/A

Bug fixes

• Cannot modify Entry in XML application.

• The first symbol of the <Selection> element in xml is displayed as "&", it should be displayed as "?".

• The phone does not stop the MP3 on incomming calls.

• SRTP issues in FreePBX 16.

Version: 2.42.6.5.21R

New Add Features

• Added P25147 to the XML file.

Improve Feature

• Optimize the upgrade process.

• The limits of image size of screensaver and wallpaper expands from 10 KB-> 100 KB

• Optimized Zero Touch function.(Zero Touch)

Delete Features

• The new architecture version has no ZRTP function, delete the ZRTP Encryption configuration item on the webpage.

Bug fixes

• TLS for SIP registration is not working on Broadsoft server.

Add the TLS algorithm required by Broadsoft server:

TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256

TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384

• Fixed the issue that the status display of the power LED.

• Fixed some sound quality issues.

• Fixed the issue that after the phone enters sleep mode, the EXP will not enter sleep mode.

• Fixed the issue that the phone played wav file audio, and the audio did not play for 1~2s at the end of the audio.

• Fixed some upgrade issues.

• Fixed some stability issues.

Version: 2.42.6.5.15R51

New Add Features

• N/A

Improve Feature

• The expansion board backlight state is synchronized with the phone

• Add overflow prevention for Multilingual.

• The limits of image size of screensaver and wallpaper expands from 10 KB-> 100 KB

Delete Features

• N/A

Bug fixes

• Fixed some stability issues.

Version: 2.42.6.5.15R45

New Add Features

• Add a P value to control whether a password is required to restore the factory.

(Press * 3 times on the Menu page and select 2 to restore to factory settings.)

• Wi-Fi Configuration Wizard.If WiFi is enabled on the phone, and there is no WiFi configuration currently, after booting, the phone LCD will pop up a prompt: "Whether to configure WiFi ?". Press the Ok softkey, the phone will enter the Wi-Fi menu page, and automatically Scan for available WiFi.At the same time, you can also press the arrow keys to The Storage Network on this page, and click Add to manually configure the WiFi to be connected.

Improve Feature

• The file size of the contact display avatar is less than or equal to 100K Byte, and the pixel is less than or equal to 200 x 200.

Delete Features

• N/A

Bug fixes

• When checking P-values on a web page, if a setting option is selected there, two options are activated at the same time.

• XML output: No index is being displayed.

• Expansion module does not go "blank" or enters into sleep mode, when the Phone is in sleep mode.

• Fixed some stability issues.

Version: 2.42.6.5.15R33

New Add Features

• Add uaCSTA settings to the webpage.

• Added "Call Log Show Type" setting to control the type of history displayed.

Improve Feature

• Tips for uploading and upgrading web pages:"Please wait for uploading, don't close or refresh the webpage!"

• Optimize the Page Timeout function. (UC902S/UC902 don't t support this function)E.g.:

1. When "Switch pages when establishing a call" sets to "Enable" and "Page for

establishing a call" sets to Page2, when a call established, the dsskey page will switch to

the Page2.

1. When "Switch pages when ending all calls" sets to "Enable" and "Page for ending all calls" sets to Page2, when a call ended.

      If "Back to homepage" is set to "yes", the dsskey page directly return to Page 1;

If "Back to homepage" is set to "No",and "Page timeout" is set to 0, the dsskey page will switch to Page2 immediately;

If "Back to homepage" is set to "No",and "Page timeout" is set to 4, the dsskey

page will switch to Page1 after 4 seconds;

The following is a list of corresponding configuration parameters:

• Incorporated Dutch translation.

Delete Features

• N/A

Bug fixes

• Fixed the issue that changing the login password could not take effect.

• Fixed the issue that releasing the call after the phone received a SIP 488 message.

• Fixed some stability issues with "Remote phonebook".

• Other stability issues