Frequently Asked Question

Upgrade to GA 1.8.6-1249 from 1.7-237-235
Last Updated a year ago

Some upgrades require an intermediate upgrade. These are the steps to upgrade to GA 1.8.6-1249 from 1.7-237-235.

Upgrading very first firmware from 2008 =

1. From phone at 1.7-237-235 circa 2008

2. Upgrade to 1.7-249-249

3. Upgrade to 1.8.6-1249

Contact SIPSupport for necessary firmware.

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