SMS - Known restrictions for UK

Due to restrictions by the carriers and also government regulations, these are some known restrictions that will affect messages/calls to UK (+44)

SMS sending

  • Sender ID for messages will be replaced by a long number (ex: 44XXXXXXXXXX) unless they are alphanumeric.
  • Please specify clear opt-out for marketing messages.

These can change anytime based on carrier or government restrictions without pre-notice.