Product and Software: This article applies to the earlier release of Spectralink phones and or gateways that are running older firmware.
When dealing with VoIP quality issues, low-speed and high-retransmit rates could be symptoms of an RF issue. After certifying the RF for optimized performance, the Spectralink phone will continue to operate only at the low data rates. This is by design.
Consult your voice vendor to upgrade your the firmware or hardware.
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