Alternate J100 phone firmware features

Last Updated : Apr 28, 2026 |
Prolog information
The J100 firmware release notes detail the new J100 features added in the J100 firmware release. The settings for each feature indicate if you can use the feature with IP Office..
IP Office supports the following features with J100 releases later than R4.0.10.3.2:
J100 Firmware
Feature
4.0.12.1
4.0.13.0
4.1.0.0
4.1.2.0
4.1.5.0
4.1.6.0
  • Support connection to Linux-based IP Office systems configured with an IPv6 address.
  • Support for USB HID headsets on J159 and J189 phones.
4.1.8.0
  • The J100Supgrade.txt file is updated to instruct the phones to load the latest firmware if required.