The SenderID refers to the name or number which is displayed on the mobile device as the sender of an SMS text message. It allows end-users to identify who sent an SMS.
In most European countries, long codes and/or short codes are regulated by authorities and have to be registered. For example, in Belgium, the regulations only accept the usage of 4-digits short codes. Therefore, you can only send SMS to Belgian numbers using a shared or a dedicated short code which has been registered on Belgian networks.
There are no worldwide common rules for SenderIDs and each country applies its own regulations. Depending on the local system, the SenderID can be a long code (e.g.: +32475123456), a short code (e.g.: 1234) or alphanumeric (e.g.: “RingRing”).
Some countries require a prior registration of SenderID to be able to use them. This helps prevent people using SenderID which are not linked to their company.There may be costs associated with this registration. Please contact our experts to have more information.
Common rules about SenderID:
- Minimum length is 5 characters
- For numeric SenderIDs, maximumlength is 15 characters
- For alphanumeric SenderIDs, maximumlength is 11 characters
- Alphanumeric SenderIDs can consist of upper and lower-case letters (A-Z and a-z) and digits (0-9) and the space character
You can find more information about rules in different countries on our FAQ: Country rules and regulations
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