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Sender IDs for SMS

Louise
  • Updated
This feature is currently in beta. If you'd like to participate please contact your Customer Success Representative.

A sender ID is the "From" number used in an SMS, AKA "sender" or "A number".

This can be a short code or a longer number.

You must have a sender ID before you can start sending SMS from Ometria.

Each country has different restrictions and regulations when it comes to numbers and sender IDs, e.g. in the US a toll free number is preferred, in the UK alphanumeric codes are preferred.

See: SMS country specific marketing compliance

Sender ID types

Note: It's important to be aware that sender ID type availability depends on the region/country you're sending SMS to. See also: SMS country specific marketing compliance
Sender ID type Details Regional availability
Long code
  • Maximum 17 digits
  • Can be used for two-way communication (depending on local regulations)
  • You can't request a specific number, it's randomly assigned
  • Can be used across multiple countries
  • UK 🇬🇧
  • Canada 🇨🇦
Long code: 10DLC
  • Maximum 17 digits
  • Can be used for two-way communication (depending on local regulations)
  • You can't request a specific number, it's randomly assigned
  • Can be used across multiple countries
  • 10DLC numbers don't provide delivery receipts. 
  • US 🇺🇸
Long code: Toll free
  • Maximum 17 digits
  • Can be used for two-way communication (depending on local regulations)
  • You can't request a specific number, it's randomly assigned
  • Can be used across multiple countries
  • Toll free numbers provide delivery receipts.
  • US 🇺🇸
  • Canada 🇨🇦
Shortcode
  • Typically 4-6 digits
  • Can be used for two-way communication (depending on local regulations)
  • You can't request a specific number, it's randomly assigned
  • Country-specific: Only users from the country where the shortcode comes from can text back to the shortcode
  • Shortcodes are typically more expensive than longcodes
  • UK 🇬🇧
  • US 🇺🇸
  • Canada 🇨🇦
Alphanumeric sender 
  • Must be 3-11 characters
  • Combination of letters and numbers - no spaces, but you can include underscores ( _ )
  • You can send SMS from a custom, branded sender ID, e.g. 'ometria'
  • We may need to pre-register this for you
  • One-way communication only
  • UK 🇬🇧

Sender IDs for transactional SMS

If you want to send transactional and or double opt-in SMS, you'll need two sender IDs per market; one for marketing messages and one for transactional. 

Requesting a sender ID

Once you've decided which type of sender ID you want to use, let your Customer Success Representative know. 

They can discuss commercials with you and help you with the next steps.

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