How can do program to block international call on KX-T7731.
Thank you in advance.
In the manual, there's a section on Toll Restriction (TRS). It's not something that is easily explained in a public or any forum.
I did attempt it once, and this happens to apply to a TA-824 which you may or may not have. Anyway, here's a link to that forum and thread http://members4.boardhost.com/ablecomm/msg/1201934621.html
Carl
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