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Groups > comp.mobile.android > #155815

Re: How does whatsapp work?

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.mobile.android
Subject Re: How does whatsapp work?
Date 2026-09-09 12:53 +0200
Organization Tebibyte_Retro_Gaming
Message-ID <sdq7nmxdmp.ln2@Telcontar.valinor> (permalink)
References <n1ua9ltc3losq5kj0lfkh8lim4t3bp4npf@4ax.com> <q8ugmmxu97.ln2@Telcontar.valinor> <1176uvv.cic.1@ID-201911.user.individual.net> <ejt1ald847q6tm3dek8i9qg4ug9aepsssq@4ax.com>

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On 2026-09-09 08:07, micky wrote:
> In comp.mobile.android, on 1 Sep 2026 14:37:34 GMT, Frank Slootweg
> <this@ddress.is.invalid> wrote:
> 
>> Carlos E.R. <robin_listas@es.invalid> wrote:
>> [...]
>>
>>> The WA number is always the real phone number. However, since recently
>>> you can define an alias and use that instead.
>>
>>   I know what you mean, but as Micky also mentioned, the WhatsApp number
>> is *a* real phone number. It doesn't have to be the phone number of the
>> phone WhatsApp is running on.
>>
>>   Your WhatsApp number is an *identification* number, which, in normally
>> most cases, is *also* *a* telephone number.
>>
>>   Micky already gave an example where the phone is in an other country
>> and has (only) a foreign SIM with a different phone number. In that
>> case, WhatsApp still uses your 'home' 'phone' number.
> 
> It's been several years but I think I can elaborate on what I said in
> the first place . I think when I got Whatsapp I was already using a
> foreign SIM , and when I got home and went back to my normal phone
> number the Whatsapp number and the Phone number didn't match .
> Eventually I thought this was too confusing for me , and I found that
> you can change your Whatsapp number by going into the Whatsapp settings
> and clicking on the place where it displays your number . I didn't
> realize that was a data entry field . I thought it was a heading . So I
> changed it to my home cell phone number, and of course it accepted that
> . I don't know if there's any validation involved and I could have just
> given it any old number , maybe not but why would I want to do that ?

I believe an application has access to the current phone number of the 
device. Maybe a permission is involved. Sending and receiving and SMS 
confirms that it works, if needed.

Which is confusing because these apps ask for the number.

> 
>   So this left me still confused because I can't remember what my
> Whatsapp number is some of the time even though it's my USA cell phone
> number and I live in the USA.That is, I can't remember that it's my USA
> cell phone number    . LOL
>>
>>   Another example: WhatsApp works perfectly fine on a Wi-Fi-only
>> SIM-less tablet (or phone), provided that during setup, you have given
>> WhatsApp *a* phone number which belongs to you. In the old days, such a
>> phone number could even be a landline (non-mobile) number (That was our
>> very first setup.). These days, that's only available for business
>> acounts.
>>
>> [...]


-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Thread

How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-08-31 09:01 -0400
  Re: How does whatsapp work? Maria Sophia <mariasophia@comprehension.com> - 2026-08-31 09:20 -0600
    Re: How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-09-01 00:51 -0400
  Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-08-31 20:37 +0200
    Re: How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-09-01 01:01 -0400
      Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 09:44 +0200
    Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-01 12:47 +0200
      Signal (was: Re: How does whatsapp work?) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-01 12:21 +0100
        Re: Signal (was: Re: How does whatsapp work?) "s|b" <me@privacy.invalid> - 2026-09-01 16:30 +0200
          Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 19:15 +0200
            Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 19:32 +0200
              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:25 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 21:26 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:53 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 11:20 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:10 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:37 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:23 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:36 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:31 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:32 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:40 +0530
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:24 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 11:39 +0845
                [OT/Meta] Trolling (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:37 +0100
                Re: [OT/Meta] Trolling Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:43 +0930
                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:28 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 02:31 +0930
                [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 11:18 +0100
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:10 +0200
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:25 +0200
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:28 +0200
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:33 +0200
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:41 +0530
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:25 +0200
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 11:35 +0845
                Re: [OT] "trolling" Chris <ithinkiam@gmail.com> - 2026-09-09 20:07 +0000
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-10 09:27 +0200
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:24 +0200
                Re: [OT] "trolling" Frank Slootweg <this@ddress.is.invalid> - 2026-09-02 18:56 +0000
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:18 +0200
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:38 +0200
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:27 +0200
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:33 +0200
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 05:58 +0845
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:25 +0200
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 11:36 +0845
            Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-01 18:59 +0100
              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:18 +0200
            Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 11:11 +0100
              Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:18 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:28 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:25 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:38 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:32 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:00 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:39 +0530
        Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 19:05 +0200
          Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 19:13 +0200
            Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 20:52 +0200
              Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 21:27 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 21:50 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 11:20 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:11 +0200
                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 18:50 +0100
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:30 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:34 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:51 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:34 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:00 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 06:00 +0845
                Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-03 09:42 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:13 +0930
                [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-04 13:12 +0100
                Re: [OT] "trolling" (was: Re: Signal) micky <NONONOmisc07@fmguy.com> - 2026-09-08 21:04 +0300
                Re: [OT] "trolling" (was: Re: Signal) Jim Jackson <jj@franjam.org.uk> - 2026-09-08 19:32 +0000
                Re: [OT] "trolling" (was: Re: Signal) micky <NONONOmisc07@fmguy.com> - 2026-09-09 08:21 +0300
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:31 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:51 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:27 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:34 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:37 +0530
                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:55 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 02:44 +0930
                [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-04 12:39 +0100
                Re: Signal micky <NONONOmisc07@fmguy.com> - 2026-09-09 08:44 +0300
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-04 09:56 +0200
                [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-06 10:17 +0100
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-06 13:59 +0200
                Re: [OT] "trolling" Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-06 13:34 +0100
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-06 20:07 +0200
                Re: [OT] "trolling" micky <NONONOmisc07@fmguy.com> - 2026-09-09 08:51 +0300
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-09 12:49 +0200
                Contacts AJL <noemail@none.com> - 2026-09-09 09:55 -0700
                Re: Contacts Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-10 10:16 +0100
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-10 09:30 -0700
                Re: Contacts AJL <noemail@none.com> - 2026-09-10 17:49 +0000
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-10 21:33 -0700
                Re: Contacts AJL <noemail@none.com> - 2026-09-11 06:54 +0000
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 01:24 -0600
                Re: Contacts AJL <noemail@none.com> - 2026-09-11 11:09 -0700
                Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-11 18:23 +0000
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 12:56 -0600
                Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-11 19:37 +0000
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 12:46 -0600
                Re: Contacts AJL <noemail@none.com> - 2026-09-11 12:48 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-11 21:59 -0230
                Re: Contacts AJL <noemail@none.com> - 2026-09-11 19:12 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-12 01:31 -0100
                Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-12 13:00 +0000
                Re: Contacts AJL <noemail@none.com> - 2026-09-12 08:32 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-12 17:31 +0000
                Re: Contacts AJL <noemail@none.com> - 2026-09-12 13:05 -0700
                Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-12 18:00 +0000
                Re: Contacts AJL <noemail@none.com> - 2026-09-12 13:05 -0700
                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-17 13:33 +0300
                Re: Contacts AJL <noemail@none.com> - 2026-09-17 12:30 +0000
                Re: Contacts Siard <saylor259@mailbox.org> - 2026-09-17 15:12 +0200
                Re: Contacts AJL <noemail@none.com> - 2026-09-17 16:12 +0000
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-17 18:48 +0200
                Re: Contacts Arno Welzel <usenet@arnowelzel.de> - 2026-09-18 10:04 +0200
                Re: Contacts Arno Welzel <usenet@arnowelzel.de> - 2026-09-18 10:00 +0200
                Re: Contacts AJL <noemail@none.com> - 2026-09-18 10:58 -0700
                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-17 13:26 +0300
                Re: Contacts Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-11 00:30 +0100
                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-12 21:58 +0300
                Re: Contacts AJL <noemail@none.com> - 2026-09-12 13:16 -0700
                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-13 05:06 +0300
                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-13 05:15 +0300
                Re: Contacts AJL <noemail@none.com> - 2026-09-12 20:40 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-13 11:22 +0545
                Re: Contacts AJL <noemail@none.com> - 2026-09-13 06:05 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-13 06:54 -1000
                Re: Contacts AJL <noemail@none.com> - 2026-09-13 14:17 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-15 00:50 +0000
                Re: Contacts Frank Slootweg <this@ddress.is.invalid> - 2026-09-13 19:02 +0000
                Re: Contacts AJL <noemail@none.com> - 2026-09-13 14:17 -0700
                Re: Contacts Maria Sophia <mariasophia@comprehension.com> - 2026-09-14 21:56 -0300
                Re: Contacts AJL <noemail@none.com> - 2026-09-20 00:15 -0700
                Re: Contacts micky <NONONOmisc07@fmguy.com> - 2026-09-23 21:02 +0300
                Application identification on Motorola Android (was: Re: Contacts) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-13 08:11 +0100
                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 21:12 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:26 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 22:40 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:35 +0530
                Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 00:03 +0100
                Re: Signal Nuno Silva <user17785@newsgrouper.org.invalid> - 2026-09-03 01:00 +0000
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 02:47 +0930
                [OT] "trolling" (was: Re: Signal) Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-03 11:49 +0100
                Re: [OT] "trolling" Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:38 +0930
                Re: [OT] "trolling" "Carlos E.R." <robin_listas@es.invalid> - 2026-09-04 09:26 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 20:29 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 21:33 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:51 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 22:35 +0200
                Re: Signal "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 23:00 +0200
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-03 02:36 +0530
              Re: Signal Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-02 11:24 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-02 17:30 +0200
                Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-03 09:29 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 03:04 +0930
                Re: Signal Andy Burns <usenet@andyburns.uk> - 2026-09-03 18:46 +0100
                Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-04 04:22 +0930
          Re: Signal Maria Sophia <mariasophia@comprehension.com> - 2026-09-01 19:20 +0200
      Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-01 17:03 +0200
        Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-02 20:56 +0200
          Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-02 21:04 +0200
            Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-04 21:15 +0200
              Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-05 14:14 +0200
                Re: How does whatsapp work? "s|b" <me@privacy.invalid> - 2026-09-05 18:03 +0200
    Re: How does whatsapp work? Frank Slootweg <this@ddress.is.invalid> - 2026-09-01 14:37 +0000
      Re: How does whatsapp work? micky <NONONOmisc07@fmguy.com> - 2026-09-09 09:07 +0300
        Re: How does whatsapp work? "Carlos E.R." <robin_listas@es.invalid> - 2026-09-09 12:53 +0200

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