This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A person or device that dials, as using a telephone.

n. In mining, one who uses a dial. See dial, 8.

n. See dialer, dialing.

"More seriously on the iPhone, Apple has asserted a claim to bar apps that duplicate the functionality of the built-in dialer, but this restriction has been haphazardly applied and seem mainly designed to keep Google Voice off."

autodialer   

dialler    never-before-played    4-digit    loadbalancing    caching    prealert    anti-spam    deferral    insurance    account.other