we have older Avaya phones, Merlin ETR-34D, MLS 18D, etc. In tring to do three way calls and call transfers through our phone company our switchooks (hangup buttons) are apparantly so used we can't click them fast enough. How do we program one of our progarmmable buttons to flash? Thanks.

Asked by Trudee on 04/15/2009 0  Answer

ManualsOnline posted an answer 15 years, 2 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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