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| 1) The mirrored lines on each phone can not be active at once. One freezes up if the other one is picked up. |
Change the SCR/SCN appearances to MCR/MCN respectively. To do this, you will have to remove the SCR/SCN appearances first from both sets and then reprogram as MCR/MCN or else you will get an error message.
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| 2) If a call is made between the two phones, both on speaker, there is horrible screeching feedback. The phones are approximately 10 - 12 feet apart. |
Sounds normal. You are creating a feedback loop between the two phones. If one of the phones is muted, then the "screeching" should stop.