Signal & Syntax · Messaging and A2P
What Is a Sender ID?
A sender ID is the name or number shown as the sender of an SMS. Alphanumeric sender IDs run up to 11 characters, such as a brand name.A sender ID is the name or number shown as the sender of an SMS. Alphanumeric sender IDs run up to 11 characters, such as a brand name.A sender ID is the name or number shown as the sender of an SMS. Alphanumeric sender IDs run up to 11 characters, such as a brand name.
Also calledalphanumeric sender ID · SMS sender name
Example
ACMEBANK · 11 characters max
Sender ID in Practice
Recipients cannot reply to an alphanumeric sender ID. The US and Canada do not support alphanumeric sender IDs. India and the UAE require sender ID registration before traffic flows. Unregistered sender IDs are rewritten or blocked in those markets.Recipients cannot reply to an alphanumeric sender ID. The US and Canada do not support alphanumeric sender IDs. India and the UAE require sender ID registration before traffic flows. Unregistered sender IDs are rewritten or blocked in those markets.Recipients cannot reply to an alphanumeric sender ID. The US and Canada do not support alphanumeric sender IDs. India and the UAE require sender ID registration before traffic flows. Unregistered sender IDs are rewritten or blocked in those markets.
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