Create experiences customers value to securely engage, convert, support and retain them.
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Create experiences customers value to securely engage, convert, support and retain them.
See all productsSolutions refined over 12 years and 40,000 customers, blending customer experience, technology and data.
Find out moreReal-world Insights, events and case studies to learn and adapt to your needs.
User Data Header (UDH) is a binary structure which may be present at the start of a short message in an SMS. It does not contain any text, but rather specifies how the message should be processed. Basically, it's a part of the SMS which tells the receiving handset what type of message being sent. This is done to ensure correct SMS message delivery.
User Data Header (UDH) is a binary structure which may be present at the start of a short message in an SMS. It does not contain any text, but rather specifies how the message should be processed. Basically, it’s a part of the SMS which tells the receiving handset what type of message being sent. This is done to ensure correct SMS message delivery.
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