Call History adds a "1" to extension number

[complex1]

(02-24-2021 10:44 PM)VAspeed3 Wrote:  I have one T57W that prepends a "1" to the extension number on internal calls. This means trying to redial that extension from Call History gives an error because that extension number does not exist. Is there a setting to fix here?

Hi,

Login the phone and check if the "Replace Rule" are empty.
(Settings > Dial Plan > Replace Rule)

Hope this will help.