I have a KX-TA824 system with three KX-T7731 phones and two SLT portables. The caller id on the portables works fine (That is, it shows both name and number), but the other 3 phone only show callers name. I have seen listed in the features of the KX-T7731 that it will alternate the name abd number. Is there some programming that I am missing?
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If the user presses the * key while it's ringing, they can toggle between the name and number. You can't have both displayed on the 7731 at the same time.