Monthly Archives: August 2019

21, 22, 23, 25, 26, 505, 510, 515, 520, 525, 530, 535, 545, 810, 820, 830, FireBox, M200, M270, M300, M370, M440, M470, M570, M670, T15, T15-W, T30, T30-W, Watchguard, XTM

hexadecimal file signature

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DescriptionExtensionHex File Signature
7Z377ABCAF271C0003C4F2B09A65700500
ACCDB00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45
ACE504B030414000200080043683649AD2F
Batch FileBAT406563686F206F66660D0A0D0A696620
CMD40 65 63 68 6F 20 6F 66 66 0D 0A 73 65 74 6C 6F
CSS2F 2A 43 53 53 20 74 65 73 74 20 66 69 6C 65 0A
CSV2C4669727374204E616D652C4C617374
DLL FileDLL4D 5A 90 00 03 00 00 00 04 00 00 00 FF FF 00 00
DOCM50 4B 03 04 14 00 06 00 08 00 00 00 21 00 5B 65
Excel DocumentXLSD0 CF 11 E0 A1 B1 1A E1 00 00 00 00 00 00 00 00
Excel Document 97-2003XLSX50 4B 03 04 14 00 06 00 08 00 00 00 21 00 62 EE
ExecutableEXE4D 5A 90 00 03 00 00 00 04 00 00 00 FF FF 00 00
ExecutableEXE4D 5A 50 00 02 00 00 00 04 00 0F 00 FF FF 00 00
JS2F2A0A4A5320746573742066696C650A
MDB00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74
PDF DocumentPDF25 50 44 46 2D 31 2E 37 0A 0A 34 20 30 20 6F 62
PHP3C 3F 70 68 70 20 0A 24 74 65 78 74 20 3D 20 20
PowerPoint Document 97-2003PPTD0 CF 11 E0 A1 B1 1A E1 00 00 00 00 00 00 00 00
PowerPoint DocumentPPTX50 4B 03 04 14 00 06 00 08 00 00 00 21 00 DF CC
RAR FileRAR52 61 72 21 1A 07 00 15 37 73 44 00 0D 00 00 00
VBSFF FE 27 00 2D 00 2D 00 2D 00 2D 00 2D 00 2D 00
Word Document 97-2003DOCD0 CF 11 E0 A1 B1 1A E1 00 00 00 00 00 00 00 00
Word DocumentDOCX50 4B 03 04 14 00 06 00 08 00 00 00 21 00 DF A4
ZIP FileZIP50 4B 03 04 0A 00 00 00 08 00 C9 08 88 4E 5B 26
ZIP FileZIP50 4B 03 04 14 00 02 00 08 00 BA 7C 47 4E 4E 5C
ZIP FileZIP50 4B 03 04 0A 00 00 00 00 00 E2 7C 01 4D 00 00
ZIP FileZIP50 4B 03 04 14 00 02 00 08 00 43 68 36 49 AD 2F
ZIPX50 4B 03 04 3F 00 00 00 0E 00 20 6B 10 49 F6 79

3CX, Phone System, SIP-T41S, SIP-T42S, SIP-T46S, SIP-T48S, SIP-T53, T20P, T22P, T26P, T28P, T32G, T38G, Yealink

manually download phone firmware for 3cx phone system

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You can download the latest supported phone or handset firmware for 3CX from here: https://www.3cx.com/support/phone-firmwares/

SIP-T41S, SIP-T42S, SIP-T46S, SIP-T48S, SIP-T53, WF50, Yealink

Troubleshooting Yealink WF50 Wi-Fi USB Dongle

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The Yealink WF50 is only compatible with the following phones

  • Yealink SIP-T27G
  • Yealink SIP-T41S
  • Yealink SIP-T42S
  • Yealink SIP-T46S
  • Yealink SIP-T48S
  • Yealink SIP-T42U
  • Yealink SIP-T43U
  • Yealink SIP-T46U
  • Yealink SIP-T48U
  • Yealink SIP-T52S
  • Yealink SIP-T54S
  • Yealink SIP-T53

The Yealink phone must also be running version 84 firmware otherwise the WF50 USB Dongle will not be detected by the phone.

At time of writing the following firmware should be running on the phone

  • Yealink SIP-T27G requires firmware (Version 84 or later) latest Yealink Firmware is 69.86.0.15 and latest 3CX Firmware is 69.86.0.5
  • Yealink SIP-T41S requires firmware (Version 84 or later) latest Yealink Firmware is 66.86.0.15 and latest 3CX Firmware is 66.86.0.5
  • Yealink SIP-T42S requires firmware (Version 84 or later) latest Yealink Firmware is 66.86.0.15 and latest 3CX Firmware is 66.86.0.5
  • Yealink SIP-T46S requires firmware (Version 84 or later) latest Yealink Firmware is 66.86.0.15 and latest 3CX Firmware is 66.86.0.5
  • Yealink SIP-T48S requires firmware (Version 84 or later) latest Yealink Firmware is 66.86.0.15 and latest 3CX Firmware is 66.86.0.5
  • Yealink SIP-T42U requires firmware (Version 84 or later) latest Yealink Firmware is 108.86.0.70 and latest 3CX Firmware is 108.86.0.72
  • Yealink SIP-T43U requires firmware (Version 84 or later) latest Yealink Firmware is 108.86.0.70 and latest 3CX Firmware is 108.86.0.72
  • Yealink SIP-T46U requires firmware (Version 84 or later) latest Yealink Firmware is 108.86.0.70 and latest 3CX Firmware is 108.86.0.72
  • Yealink SIP-T48U requires firmware (Version 84 or later) latest Yealink Firmware is 108.86.0.70 and latest 3CX Firmware is 108.86.0.72
  • Yealink SIP-T52S requires firmware (Version 84 or later) latest Yealink Firmware is 70.84.0.70 and latest 3CX Firmware is 70.84.0.80
  • Yealink SIP-T53 requires firmware (Version 84 or later) latest Yealink Firmware is 96.86.0.70 and latest 3CX Firmware is 96.86.0.74
  • Yealink SIP-T54S requires firmware (Version 84 or later) latest Yealink Firmware is 70.84.0.70 and latest 3CX Firmware is 108.84.0.80

Firmware can be downloaded directly from Yealink here:

Yealink Support

If you are running 3CX then you can download the latest supported firmware from here:

https://www.3cx.com/support/phone-firmwares/