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NEC DTU 8D-2 Corded Phone Questions & Answers
NEC DTU 8D-2 Corded Phone how do I page?
Standard codes run from 50 to 59. Internal 1,2,3,all, external 1,2,3, all, all internal and external. That's if your codes are at default, and your system is a Pro II, Elite, or IPK. Those phones work on about 8 NEC systems.
How do you turn up the ringer volum
No way to change ringer type but you can press the arrow keys you use for volume while the phone is ringing and it will raise the volume. ldtsnj.com
Message light blinking
You apparently have unheard messages on the voicemail system provided by your telephone company. This system records messages when someone calls while you're already on the phone. Please contact your telephone company for instructions on accessing their voicemail system.
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