Thrane and Thrane (now rebranded as Cobham) has released a critical firmware upgrade for the SAILOR 500, EXPLORER 325 and EXPLORER 727

Firmware release 1.16. is available for download from the Inmarsat website at and

This is a CRITICAL firmware upgrade. The new firmware upgrade is required due to the FleetBroadband Multi-voice service and network enhancement.   After June 1,  2013, terminals that are not upgraded to version 1.16 will be unable to receive calls on the IP handset.   Only terminals using the Thrane & Thrane/Cobham IP handset will be affected, terminals with a standard two wire handset will continue to work as normal.

Some new features are included in the 1.16 release:

  • Support for Fax and 3.1kHz Audio on SAILOR 150
  • Restoration of an open PDP context on a UT power cycle
  • Support to ThraneLINK, a sophisticated communication protocol that connects the SAILOR products in a network

If you have any questions, please call our Customer Service department at 615-889-8833.