1. Manuals
  2. Consumer Electronics Support
  3. Cortelco Support
  4. Telephone Support
Support User Manuals
Question About Cortelco Telephone 8780
How do you mute?...

I have a Cortelco 8780 phone, and I can't figure out how to put it on mute when on speaker phone. Any ideas?

Asked by Heidi on 11/17/2008 2  Answers

ManualsOnline posted an answer 15 years, 6 months ago

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

thom posted an answer 12 years, 1 month ago

1 1. Press key 12 speakerphone 2. Press key 11 Hold Led shoul now say 'Mute On'
Was this answer helpful?

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.
Ask a Question Request a Manual