I have an spa525g with the spa500s sidecar. The sidecar buttons are working for direct dial and status, however when I try to do a blind transfer for a button the call fails. If I do a blind transfer and enter the 3 digit extension it works fine. So it seems to just be the sidecar buttons causing the problem.
We are experiencing this issue with firmware 7.4.4. The SPA 50Xg series phones do not exhibit this behavior. Is there a projected time when the new software will be available.. we prefer the spa525g due to aesthetics, however, functionality will prevail...
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