Yes, it is a form of the verb "to dial." It is the past tense and the past participle of the verb, and may also be used as an adjective (e.g. dialed phone numbers).
Dial is a noun and a verb. Noun: The dial is broken. Verb: I dialed your number, but a strange voice answered.
the answer is eat
Dialed In - 2005 was released on: USA: 1 October 2005
The cast of Dialed In - 2005 includes: Megan Abrigo as Host
The last number dialed out on your phone can be retrieved by pressing the Send button. This works on cell phones and landlines.
Describe how dialed digits are transferred from a subscriber’s telephone to the local exchange
The past tense of "dial" is "dialed" in American English and "dialled" in British English.
makes it dialed
Dialed means that there are no rattles. For example, leave one of your bolts loose and hear the rattle. That rattle is what you want none of when you drop your scooter.
30 Minute Meals - 2001 Dialed In was released on: USA: 19 April 2008
Mailed, sailed, hailed.
"Dialed Number Recorder"