I understand that it may be prohibited due to the laws of "Dina D'malchusa Dina," (when and if) American law prohibits it. However, that reason aside, is there any Judaism based reason to prohibit it?

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    What suspicions on your part make you want to ask this question? If you put them into the question, it will make it less open-ended, and, I think, more likely to get answers.
    – Isaac Moses
    Commented May 12, 2010 at 19:01
  • Are you concerned about the stealing of one's time and that it is unreasonable to tell someone that he must get caller i.d. and check before picking up the phone? What actual crme is being commited?
    – Yahu
    Commented May 12, 2010 at 19:55
  • Well some stuff to wonder: Are you stealing/wasting the guys time? Are you tying up the phone "bandwidth" in case he gets another call? I can't quite put my foot on it, but it seams like you're invading the other guys property w/o permission (he would only give permission if it were a legit call)...
    – yydl
    Commented May 13, 2010 at 1:14
  • Viewed from the caller's perspective, unless they are selling you a fraud they legitimately want to offer you an opportunity either to buy something or donate to a worthy cause.
    – Bas613
    Commented May 13, 2010 at 15:48
  • Yes, but from the recipients perspective it's downright annoying. Especially where it's pre-recorded, and more importantly, where there's no option to "opt-out"
    – yydl
    Commented May 14, 2010 at 1:27

1 Answer 1


From a Halachic standpoint I do not see why it would be Assur. Why is it any worse than a guy approaching you and trying to sell you something. Today with caller ID you can ignore the call if you want to. In addition you can always hang up on the guy, which is a lot harder to do to someone who approaches you in person.

What I think is Assur is to fax someone faxes without his permission where then you are using his ink and paper and he can't do anything about it.

  • Well for one you can tell the guy to stop (after which I'm sure you would agree that he would not be allowed to). Secondly, why is ink and paper any more valuable than time. Either way "he can't do anything about it" (caller ID is only so helpful, especially where most telemarketers come up as unavailable or out of area). I'm especially focusing on pre-recorded messages, which have none of your "advantages."
    – yydl
    Commented Oct 20, 2010 at 3:44
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    I think my point is that we would all agree you can't throw things on others' property (at least where you know they mind), most of us would agree that you can't spam someone's inbox, and similarly we would mind being bombarded with advertising text messages. So why are calls any different?
    – yydl
    Commented Oct 20, 2010 at 3:47
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    And indeed in some halachic contexts we say that עקימת שפתיו הוי מעשה - movement of the lips is an action.
    – Alex
    Commented Nov 3, 2010 at 14:21
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    Do you have a source for faxes being assur? Why is that different from an unsolicited, unwanted phone call? Commented May 6, 2012 at 23:47
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    As I wrote "What I think is Assur" is to fax someone faxes without his permission where then you are using his ink and paper and he can't do anything about it. Commented May 7, 2012 at 15:11

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