Firmware Changelog

This changelog describes any changes made to default device firmware versions deployed by PhoneNet provisioning servers.

The current firmware versions are always listed on the Device Firmware page.

2026-09-28

The following Avaya H323 devices have been updated to 6.8.5.6 released on September 21, 2026:

• 9608
• 9611
• 9621
• J159
• J169
• J179
• J189
• J189A

The firmware for the JEM24 sidecar module on H323 mode J100 series devices has been updated to 1.0.1.0.16.

2026-09-27

Avaya J100 SIP devices updated to 4.1.11.0.10 released on May 14, 2026.

The firmware for the JEM24 sidecar module on SIP mode J100 series devices has been updated to 1.0.1.0.27.