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Current Firmware
Archived Firmware

File Version Size

gnqy704k.zip 7.04k (Boot 31.05) 371,798 bytes
File Contents: AIO Firmware1
This file contains the ISDN modem firmware for Rev. J or later builds of the MTA128ST ISDN modem (international).
Model: MTA128ST-230v EURO. ISDN-TA

gyqx804k.zip 8.04K (Boot 31.05) 367,559 bytes
File Contents: AIO Firmware1
This file contains ISDN modem firmware for Rev. E or later builds of the MTA128NT ISDN modem for North America.
Model: MTA128NT ISDN-TA 115v

ntqx333.zip 3.33 344,048 bytes
File Contents: ISDN Firmware2
This file contains the latest ISDN firmware for the MTA128NT.
Models: MTA128NT ISDN-TA 115v, MTA128NT-230V ISDN-TA

stqy154.zip 1.54 for Rev B builds 390,071 bytes
File Contents: ISDN Firmware1

This file contains ISDN modem firmware for Rev. B builds of the MTA128ST ISDN modem (international).

Model: MTA128ST-EURO ISDN-TA

stqy248.zip 2.48 for Rev D+ builds 352,192 bytes
File Contents: ISDN Firmware1
This file contains the ISDN modem firmware for the MTA128ST Rev D+ builds.
Model: MTA128ST-EURO ISDN-TA

utqy607.zip 6.07 342,059 bytes
File Contents: ISDN Firmware1
This file contains the ISDN modem firmware for the MTA128ST-USB ISDN modem.
Model: MTA128ST-USB-EURO ISDN-TA