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Title: Phone stops ringing
Review: I have a VOIP setup with voicepulse. This phone works great as long as I don't assign phone numbers to the presets. When I do it stops ringing after a few days. The lights flash indicating an incoming call and I can answer the phone if I notice the lights flashing but it doesn't ring. If I reset the phone to defaults, erasing all presets, then it works OK. I got a new one from AT&T and it does the same thing. I love the headset button to switch between speaker and headset. Let me know if you know a workaround.
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