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Re: OT: spam phone calls

Cross-posted to 3 groups.

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On 2025-03-20 15:00, Carlos E.R. wrote:
> On 2025-03-20 13:10, Graham J wrote:
>> I know you're all very knowledgeable here, so:
> 
> There are groups more appropriate to phone trouble, like 
> comp.mobile.android or uk.telecom.mobile. I have added them both to this 
> post, so they will see your post below.
> 
>>
>> Received a call on my mobile, from a lady in Scotland who says I rang 
>> her landline earlier this morning.  I did not, and my mobile phone has 
>> been sitting on the windowsill (being the only place it can get a 
>> signal) all morning, with nobody near it.
>>
>> The lady used 1471 to find out who had rung her number, and used it's 
>> recall facility to ring me; so she didn't make any transcription error 
>> in dialling my number.
>>
>> I'm aware that spammers spoof mobile numbers but had always assumed 
>> that they chose unallocated numbers.  That is now apparently no longer 
>> true - unless all you here can think of another way that the 1471 
>> service can see an erroneous number.
> 
> I thought Britain had some new regulation about faking the A number in a 
> call.

Spain has a new regulation. The other day I chanced on a press article saying that Telefónica, the biggest provider here, is activating measures early.

I hope it is true.

Automatic translation by DeepL:


<https://www.servimedia.es/noticias/telefonica-inicia-bloqueo-llamadas-internacionales-fraudulentas-numeracion-espanola/1411571767>

     Telefónica starts blocking fraudulent international calls with Spanish numbers

     - Ahead of the deadline for the ministerial order against telephone scams

     4-5 minutes

     Telefónica has already begun blocking calls and SMS messages with international origin using Spanish numbers except when roaming is permitted, ahead of the deadlines established in the order against telephone scams recently approved by the government.

     The order of the Ministry of Digital Transformation and Public Function came into force on 7 March and establishes a maximum period of three months for operators, until 7 June, to begin blocking calls, but Telefónica has anticipated this date and has already put it into effect, according to sources from the company, which have told Servimedia.

     The aim of the ban on calls and messages with international origins and national numbers is to prevent scams, as this type of communication encourages identity theft by simulating calls from reliable local numbers.

     In order to block these communications, Telefónica has implemented the necessary technical measures to control roaming calls from Movistar customers originating abroad.

     Another measure provided for in the order, which Telefónica has already implemented in compliance with the established deadlines, concerns the detection and blocking of calls and messages that use as a sender a number not assigned to the operators or that enter the user's telephone with an empty sender.

     On the other hand, the order establishes that the CNMC must create a public register of ‘aliases’, or alphanumeric codes that can be used as senders of messages, which includes both the alias and the identification of the operators or messaging service providers authorised to send SMS or MMS using that alias.

     Messages originating from aliases not included in this register will have to be blocked by the messaging providers.

     According to Telefónica, they have already made themselves available to the regulator to work on the project, which in this case has more time for its implementation, until 7 June 2026.

     COMMERCIAL SPAM

     As for measures relating to the identification of customer service calls and unsolicited commercial calls, which are also included in the order as of 7 June 2025, commercial calls from mobile numbers will be prohibited and 800 and 900 numbers will be enabled for commercial calls by call centre staff. Telefónica is also working on this point by contacting customers who may need changes to comply with this requirement.

     Telefónica has been taking various measures to protect its customers from scams for years. Movistar regularly and regularly launches campaigns with a series of recommendations to avoid fraud, as well as disseminating a series of tips and warnings via direct email to the customer, via social networks and/or on the WhatsApp channel.

     In addition, Movistar implements numerous barriers to make it difficult for fraudsters to obtain customer data. One of them consists of securing the change of credentials in the customer area of the website by sending an OTP code (One-Time Password) to the customer's phone with the message ‘If someone is asking you for this code, do not give it to them. They may be cheating you’. This advice makes it clear that the customer must enter it on the website, no one else, and never give it to third parties.


     Telefónica also collaborates with the State Security Forces and Corps to try to dismantle the schemes involved in this type of scam.

     As regards unwanted commercial calls or spam, Movistar does not make them and only contacts potential customers who have requested information in its shops. Even in the latter case, the teleco always applies the stipulations of the internal code of ethics of good practices in terms of days, times, identification of the calling number and the name of both the calling company and the salesperson making the call.

     (SERVIMEDIA)
     06 Apr 2025
     JRN/gja

-- 
Cheers, Carlos.

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Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 15:00 +0100
  Re: OT: spam phone calls Richmond <dnomhcir@gmx.com> - 2025-03-20 15:21 +0000
    Re: OT: spam phone calls D <noreply@mixmin.net> - 2025-03-20 16:27 +0000
    Re: OT: spam phone calls Jörg Lorenz <hugybear@gmx.net> - 2025-03-20 18:53 +0100
      Re: OT: spam phone calls Richmond <dnomhcir@gmx.com> - 2025-03-20 18:39 +0000
    Re: OT: spam phone calls Jason H <jason_hindle@yehoo.com> - 2025-05-07 15:20 +0100
      Re: OT: spam phone calls David Woolley <david@ex.djwhome.demon.invalid> - 2025-05-07 20:39 +0100
        Re: OT: spam phone calls Daniel70 <daniel47@eternal-september.org> - 2025-05-13 22:48 +1000
      Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-05-07 22:34 +0200
  Re: OT: spam phone calls David Wade <g4ugm@dave.invalid> - 2025-03-20 15:50 +0000
    Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 22:32 +0100
  Re: OT: spam phone calls Philip Herlihy <nothing@invalid.com> - 2025-03-21 12:18 +0000
  Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-04-09 12:50 +0200
  Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-05-13 15:09 +0200
    Re: OT: spam phone calls Jörg Lorenz <hugybear@gmx.net> - 2025-05-13 16:08 +0200
      Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-05-13 20:37 +0200
        Re: OT: spam phone calls Jörg Lorenz <hugybear@gmx.net> - 2025-05-13 21:27 +0200
    Re: OT: spam phone calls Daniel70 <daniel47@eternal-september.org> - 2025-05-15 20:59 +1000
      Re: OT: spam phone calls "Carlos E.R." <robin_listas@es.invalid> - 2025-05-15 13:40 +0200
        Re: OT: spam phone calls JMB99 <mb@nospam.net> - 2025-05-15 17:05 +0100

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