Avoid sanctions on your lines 800 and 900! Updated 2025 regulation for voip

New law against phone fraud: Avoid sanctions on your lines 800 and 900

Fraud through calls and SMS has become a nightmare for companies, especially those in the telecommunications sector. It is a global problem, according to a report published by the website21st Century UniversityIn 2024, Internet scams exceeded 43 billion dollars.

In Europe we are not exempt from this, the daily El País He reported that half of the digital scams in Spain start with a call or a fraudulent message.

The new law seeks to minimize fraud and forces operators to block suspicious communications.

What does this mean for your line 800 or 900?

This regulation directly affects you if you use these lines of voip for:

Customer care

The law seeks to prevent the scammers from supplanting your company's identity. If anyone calls your 800 or 900the operator must ensure that the call is legitimate and does not come from a fraudulent or unassigned number.

In addition, if your number is not properly registered and authorized, your customers' calls could be blocked.

If you use the lines to callthe law requires that the number be unambiguously linked to your company.

This prevents scammers from using fake 800 or 900 numbers to impersonate your brand.

Telemarketing

The law seeks to protect consumers from aggressive spam and telemarketing practices.

If you use the numbers with 800 or 900 prefixes, you must make sure that you are complying with the regulations on prior consent and right of opposition of users.

It is also important that your company be identifiable for the call receiver

The law, through operators, will be much stricter in the control of telemarketing calls.

Does the regulations only affect services with voip?

The law does not distinguish between traditional telephony and voip. The identification and blocking obligations apply to all calls, regardless of the technology used.

Calendar of changes: When should you adapt your line 800 or 900?

The law is implemented in phases, so pay attention to the dates:

• 7 March 2025: goodbye to calls and SMS from unassigned or known numbers as "ghost numbers." Your 800 or 900 must be properly registered and assigned.
• 7 June 2025: If you call from outside Spain and use a Spanish number they will block you, because from that date you can't pretend you're inside the country.
  
  So, outgoing calls from mobile are prohibited. So, if you use a mobile number for your telemarketing or customer service campaigns, you risk a lock. The solution is to use your 800, 900, or a geographical numbering.
  
• 7 June 2026: only SMS can be sent with registered aliases. This means that all SMS you send must come from an alias you have registered with the National Commission on Markets and Competition (CNMC)

Failure to comply with the law can cause you a million-dollar fine.

This is not just a warning. Non-compliance with the TDF / 149 / 2025 Order can not only result in the blocking of your calls and SMS, interrupting your business activity and affecting your relationship with customers, but can also lead to extremely high economic sanctions.

How much money are we talking about?

Fines for non-compliance with this regulation with voip services may amount to EUR 2 million.

The exact amount of the penalty will depend on several factors which are covered by theLaw 11 / 2022 of 28 June, General of Telecommunications:

• The seriousness of the infringement:: The same is not a timely error as a systematic and deliberate breach of the law.
• The volume of communications concerned: the more fraudulent or non-compliant calls or SMS have been made, the greater the penalty.
• The injury to users: if the non-compliance has caused economic or other damage to consumers, the fine shall be higher.
• Reincidence: if the company has already been punished for failing to comply with this regulation, the new penalty will be more severe.
• The benefit obtained by the offender: if the undertaking has obtained an economic benefit as a result of the non-compliance, the penalty may be even greater.

Beyond the fine: Damage to reputation

But the consequences don't end there. Even if you can avoid a fine, the damage to your reputation can be irreversible.

Failure to comply with this regulation can have a negative impact on your company's reputation. The loss of customer confidence is much more expensive in the long term than the fine itself, so don't play it!

Step-by-step guide to avoid blocking and fines

The 800 and 900 lines with voip will continue to work, only to avoid sanctions you must take a number of measures. Here we guide you so you don't have any problems:

Check your numbering.

Make sure your number 800 or 900 is officially assigned and authorized. Don't use numbers that don't belong to you legally.

Choose a law-abiding telephone operator

Ask your operator how you are implementing the TDF / 149 / 2025 Order. Make sure they're ready to meet the new requirements. At GTPphone we take the laws very seriously, so We adapt our voip services from theVirtual PBX to enforce the new regulations.

Call from abroad?

Use international numbering. If you have a contact center outside of Spain, don't try to use your number 800 or 900 Spanish for those calls.

To operate from abroad, you can apply for a special permission to the State Secretariat for Telecommunications and Digital Infrastructure to continue using your usual number with secure international marking.

Safe SMS

If you send mass SMS, record all the sender names you use on the CNMC. This step will be mandatory in 2026.

In addition, if you used mobile numbers for outgoing campaigns, change them for your 800, 900 or geographical numbering.

The key is transparency and legality.

Order TDF / 149 / 2025 seeks to ensure that telephone communications are transparent and legal, no matter if you use traditional telephony or are connected to voip services.

If you don't want to risk blockages or sanctions,Contact us today and we help you adapt your line 800 or 900 to the new law in your voip.

You want to know more about telecommunications regulation in Spain? Stay informed on our blog. Here we leave you a post that will be useful if you have a line 806:Legal regulations for 806 in Spain, avoid sanctions!.