Fortunately, if you have an Android smartphone, then you have a way of entering extension information in your contact's details and having your Android automate the dialing process for you.
---
Tutorial Notes
Rather than manually entering a person's extension number, there is a way to automatically have your Android dial the connection once the call connects.
First, go to Contacts. If you want to create a new contact, tap the menu key and then tap New contact. Otherwise, long-press on the contact you want to add extension info for and tap Edit contact.
In the phone numbers section, either select the phone number that you want to add extension information to or add a new number.
Now, press the symbols key in the lower-left of the keypad. You'll notice the buttons Pause and Wait here. Pause inserts a two-second pause while Wait will wait until the call connects.
Insert a Wait after the phone number. Now, press the numbers key and enter the extension that you'd like to dial.
Some phone systems require that you enter a number before entering the extension. For example, if you need to press 1 before entering an extension, then you'll need to add a 1 and then a Pause after your Wait.
Now when you call your contact, you'll be asked whether you want to use the tones that you entered for that contact.
