How can I personalize my sender name?

France
The personalization of the SMS sender name (Sender ID) works if and only if the message contains a STOP mention and number. For it to work, make sure that all elements are compliant, meaning they must appear in the format "STOP at $num$", which will turn into "STOP at 36XXX".

Italy
To ensure successful customization of the sender, first, you must collect information from your client (brand, address, main reference). After that, Splio will share this info with the AGCOM who will register the sender officially (tangible proof for GDPR regulation). Then, the sender will be available in the drop-down menu "Sender" in the SMS editor section.

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Can I change the SMS sender ID?

The SMS Sender ID is the sender displayed on the recipient's phone when received. By default, it will appear as "SMS" when sending via the Splio platform.

The SMS Sender ID must respect an alphanumeric format with some specificities:

A maximum of 11 alphanumeric characters, from the range A-Z a-z 0-9
No special character
No empty space
No spacing, symbols or dividing dashes

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Why did sender customization not work?

➡️ Check that the mention STOP au $num$ is present.

➡️ Make sure your SMS campaign was sent in compliance with French law.

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Do you have any tips on where to place variables in SMS designs?

When adding the STOP at the end of your message, you should reduce the size of your text to avoid unsubscription cuts off.

Alternatively, when inserting a variable (standard/custom field or landing page) to personalize your message, we recommend inserting it at the beginning or in the middle of your SMS to avoid breaking it.

The longer the value of your variable, the more you should reduce the number of characters to ensure it fits in one single message.

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How does the unsubscription work in different countries?

France
The STOP native feature that you can find in Splio only works when sending to +33 numbers. Whether you are personalizing the sender or not, you must add a STOP (unsubscription) at the end of the message, this will result in adding a five-digit clickable number which will change according to the SMS provider.

This number changes according to the router used for the SMS delivery. Indeed, several routers may send messages for the same campaign to ensure that everything will be delivered as quickly as possible.

Therefore, when a message is sent to a router, the STOP number changes to allow the router to collect the unsubscribe request and forward it to Splio.

Other countries
For messages that are sent abroad, it is necessary to use the Splio unsub variable ($unsubUrl$), which will become a link once the user clicks on the unsubscription text at the bottom of the SMS. Please note that 18 characters will be deducted from the total characters of your message.

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How can I shorten URLs in an SMS?

You can automatically shorten URLs in SMS messages by clicking on the Track button in an SMS design.

➡️ Blue button: URL shortened

➡️ White button: URL not shortened

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Can I add emojis to SMS messages?

Yes, but you need to activate Unicode first. Emojis count as 2 characters.

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Can I add a GIF to an SMS?

It is possible to add a GIF to an SMS, but only to the landing page of an enhanced SMS.

FAQs about SMS campaigns

FAQs about SMS campaigns