“I have this product andI did not find the phones to be duplex. I have tested this with several friends by both of us talking at the same time and one side of the conversation is always blocked. Is there something in the Menu to make them act as duplex?”
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I called VTech and they kept saying this is a duplex phone. They must not realize what a duplex phone is. I have tested this phone with many people and while they are talking, they cannot hear me. When I am talking, they cannot break into the conversation. I also have a Panasonic cordless phone that is duplex and it works fine. You can always hear both sides of the conversation. I do NOT consider this phone duplex and even challenged the VTech customer service rep to count to 10 as I was counting to 10. She said she could only hear a couple of the numbers from my side. Hence, this phone is NOT duplex in my opinion.
Sorry, there was a problem. Please try again later.Nick - We are sorry to hear that you are having issues with the VTech IS8151-5. The telephone system is equipped with a simulated full duplex speakerphone. The feature mimics the speakerphone capability of person on the other line. If this does not help, please contact our Consumer Sales and Service Center between the hours of 9:00 AM and 4:00 PM Monday through Friday at 1-800-595-9511. Thank you, -VTech Support
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