On both iPhone and Android, you can dial an extension number without manually going through the main line. You can do this using your phone's built-in Phone app, and we'll show you how.

Automatically dial extensions for Android contacts Instead of dialing the extension for people or businesses you call often, program them right into the contact information.

Your Android phone has a built-in speed dial function that's under the radar, but if you're willing to give up space on a home screen, you can set up a snazzy one-click speed dial page in just a ...

Google Voice lets you or your employees dial any phone number from a phone or Google Talk client, including business phone numbers that include extensions. Much like any other phone, Google Voice ...