Question about Dterm DTP 16D-1 Corded Phone
...have some sort of night / lunch mode going on.when it doesnt work, go to any phone and press: SPK 818 1 SPK this will put it into mode 1( usually day mode). test it. if it works , you are in lunch ...
...off night mode Press the SPK (Speaker) key then enter the appropriate service code... Service Code 818 + 1 Activating Day 1 Mode 818 + 2 Activating Night 1 Mode 818 + 3 Activating Midnight 1 Mode
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