Background
Spectralink 8020 wifi phones are full featured native SIP/WIFI WiFi devices that work well with Sipx.Sipx 4.2.1 and later require a version of 8020 firmware that as of 5/19/11 is not available without out calling Polycom support. It will then be provided free of charge. They want to track who all is using, but do plan to make it publicly available with their next firmware release.
Upgrading Fimrware
The 8020 needs to be upgraded to at least the firware firmware versions shown below. As of 5/19/11, you will need to contact Polycom support to obtain this firmware. Explain you are using Sipxecs and you need the firmware documented in Case# 1-103152086. This is the case that was opened specifically to resolve the incompatibilities between the Spectralink 8020 and recent versions of Sipxecs. With out this firmware, your 8020 will likely crash when answering an inbound call.
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