Can I send two-way SMS in Mexico?

Yes, two-way SMS is supported in Mexico.

Is number portability available in Mexico?

Yes, number portability is available in Mexico.

Can I send marketing SMS during Mexican elections?

No, using SMS as a marketing tool during Mexican elections is prohibited, and carriers will block such messages.

Is MMS supported in Mexico?

MMS is not natively supported in Mexico. MMS messages are converted to SMS with a URL for multimedia access.

What are the timing restrictions for sending SMS in Mexico?

Avoid sending messages between 9 PM and 9 AM. Prefer daytime communication unless the message is urgent.

Is two-way SMS available in Mexico?

Yes, two-way SMS is available in Mexico, allowing interactive text conversations.

What is number portability in Mexico?

Number portability in Mexico allows users to keep their phone numbers when changing mobile carriers.

Are there any restrictions on political messaging via SMS in Mexico?

Yes, avoid using SMS for marketing or research during Mexican elections as numbers promoting political content will be blocked.

What content is prohibited in SMS messages in Mexico?

Prohibited content includes SMS related to firearms, gambling, adult content, loans, lead generation, Text 2 Pay, controlled substances, cannabis, and alcohol.

Can I use Mexican numbers for marketing or A2P traffic?

No, refrain from using Mexican numbers for marketing or A2P traffic as content like URLs and brand names may be blocked.

What are some best practices for SMS compliance in Mexico?

Best practices include obtaining opt-in consent, supporting HELP/STOP messages, and respecting do-not-call registries.

Do I need to support HELP/STOP commands in SMS campaigns in Mexico?

Yes, ensure SMS campaigns support HELP/STOP commands in the local language.

Is it necessary to obtain opt-in consent for SMS communications in Mexico?

Yes, securing opt-in consent from users is necessary before sending communications, especially for marketing purposes.

What should I do to comply with do-not-call registries in Mexico?

Avoid contacting users who are on do-not-call or do-not-disturb lists to ensure compliance.

How can I ensure SMS compliance with Mexican regulations?

Consult legal experts and adhere to guidelines such as avoiding prohibited content and respecting timing restrictions.

What happens if I send SMS during restricted hours in Mexico?

Sending SMS during restricted hours (9 PM to 9 AM) may result in non-compliance with local regulations.

Can I send SMS with URLs and brand names in Mexico?

Sending SMS with URLs and brand names is discouraged for marketing or A2P traffic as these may be blocked.

What should businesses do to maintain positive customer relationships through SMS in Mexico?

Businesses should adhere to compliance guidelines, respect user preferences, and ensure clear communication to foster positive customer relationships.

SMS Guidelines for Mexico: Compliance, Restrictions, and Best Practices

Q: What are the SMS length restrictions in Mexico?

The standard SMS message length in Mexico is 160 ASCII characters. Messages exceeding this limit are split into segments and reassembled on the recipient's device.

Q: Can I send SMS to landlines in Mexico?

No, sending SMS to landlines is unsupported in Mexico. Attempts will result in a 400 error (code 21614), with no message logging or charges.

Q: What is the dial plan for sending SMS in Mexico?

When sending SMS in Mexico, omit the '1' after the country code (+52) and use the 10-digit subscriber number, for example, +525512345678.

Overview of SMS in Mexico

Sending SMS in Mexico involves adhering to specific technical and legal requirements. This guide covers essential aspects such as two-way SMS support, message length, and content restrictions to ensure compliance with local regulations.

Two-way SMS and Number Portability

In Mexico, two-way SMS is available, allowing interactive text conversations. Additionally, number portability lets users keep their numbers when changing mobile carriers.

Message Length and Concatenation

The standard SMS message length is 160 ASCII characters. Messages exceeding this limit are split into segments and reassembled on the recipient's device. Note that concatenation might not work with certain sender IDs, and splitting varies by character encoding.

MMS Support

MMS is not natively supported in Mexico. Instead, MMS messages convert to SMS with a URL for multimedia access.

SMS to Landlines

Sending SMS to landlines is unsupported in Mexico. Attempts will result in a 400 error (code 21614), with no message logging or charges.

Dial Plan in Mexico

Mexico's dial plan has been updated. When sending SMS, omit the '1' after the country code (+52) and use the 10-digit subscriber number, e.g., +525512345678.

Compliance and Best Practices

Ensuring compliance with local SMS regulations is crucial. Key considerations include:

Political Messaging: Avoid using SMS for marketing or research during Mexican elections. Numbers promoting political content will be blocked.
Marketing and A2P Traffic: Refrain from using Mexican numbers for marketing or A2P traffic. Content like URLs and brand names may be blocked.
Prohibited Content: SMS related to firearms, gambling, adult content, loans, lead generation, Text 2 Pay, controlled substances, cannabis, and alcohol is prohibited.
Timing Restrictions: Avoid sending messages between 9 PM and 9 AM. Prefer daytime communication unless urgent.

General Best Practices

To ensure compliance and efficiency, follow these best practices:

Obtain Opt-in Consent: Secure consent from users before sending communications, especially for marketing.
Support HELP/STOP Messages: Ensure SMS campaigns support HELP/STOP commands in the local language.
Respect Do-Not-Call Registries: Avoid contacting users on do-not-call or do-not-disturb lists.

Conclusion

SMS messaging in Mexico is highly regulated, particularly for marketing and political content. Adhering to these guidelines helps businesses maintain compliance and foster positive customer relationships. Always consult legal experts to ensure alignment with local laws and regulations.

For more information on Mexican telecommunications regulations, visit the official government website.