#Alpha numeric for free#
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Sender IDs must contain at least one letter. Formatting RequirementsДЄlphanumeric Sender IDs can contain up to 11 characters from the following categories:

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You must provide other instructions, such as writing a Support team, calling a Support phone line, or texting another phone number or code to allow users to opt out. Note: TwilioвЂ™s SMS STOP keyword does not work to automatically stop messaging.

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Users must specifically opt in to receive your messages and know how to opt out before you send your first message.

In some countries, additional use cases are prohibited, which are noted in the SMS Guidelines.

Some use cases are generally prohibited (e.g., gambling, dating sites, adult content, spam, phishing, and any content that violates the law or infringes on intellectual property).

(However, you can provide contact information in your message if you want recipients to respond).

Sender IDs are only available for one-way outbound messages recipients cannot reply directly to messages.

Sender IDs are not supported in some countries and some supported countries require pre-registration.

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Sender IDs are only supported for paid Twilio accounts not for free trial accounts.

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If so, that information is displayed in the Sender ID registration form of the relevant country. However, for some countries that require pre-registration there may be additional charges, such as one-time setup fees or recurring monthly fees. CostДЇor customers who have purchased an SMS-capable number, there is no additional charge for using an Alphanumeric Sender ID for most countries. The link in the left column takes you to the SMS Guidelines. If so, clicking the link in the right column will take you to the form that leads you through the pre-registration process. The image below shows the first countries (listed alphabetically) in this list, which shows supported countries and provides access to the pre-registration form for those of the countries for which pre-registration is required.ДЄs you can see, the right column shows whether Sender IDs are supported and whether pre-registration is required. You can find out which countries support Sender IDs on this page. Which Countries Support Alphanumeric Sender IDs? These Sender IDs are known as вЂњ pre-registered.

Some countries require pre-registration, which means the customer has to provide information and sometimes additional documents, resulting in additional time before the Sender ID can be used.

In most supported countries, customers can instantly provision a Sender ID.

Please note, Alphanumeric Sender ID is not available in the US or Canada. As a result, they are up to 80% more likely to open the message.ДЄlphanumeric Sender IDs can help work around the common challenges to A2P messaging as a high throughput and low carrier filtering option. With Alphanumeric Sender IDs, recipients immediately recognize the sender and know the message is legitimate. If the sender is an international or unfamiliar number, the chance of the message being opened is next to none. Increased open rates: As cases of spam and fraud increase, being able to easily identify the sender is a key factor in whether recipients decide whether to open a message. Improved brand recognition: Because recipients see your name with every SMS sent, using a recognizable Alphanumeric Sender ID reinforces your branding. Once this process is completed, Twilio handles fluctuating telecom logic, regulations, and carrier-specific rules to ensure your A2P messages reach their destination. For every Sender ID request, Twilio completes a rigorous due-diligence and registration process with the telecommunication carrier in that country. Higher message deliverability: In many countries, regulatory bodies are increasingly filtering illegitimate A2P SMS use cases to curb unwanted messaging.

The example below shows how an Alphanumeric Sender ID ( AUTHMSG) would look in place of the standard number. Which Countries Support Alphanumeric Sender IDs?ДЄlphanumeric Sender ID allows you to send Twilio Programmable SMS messages to supported countries from a personalized sender ID (like a business or organization name), instead of your E.164 formatted Twilio Phone number.Addressing the Challenges of A2P Messaging.Common use cases include marketing, mass alerts, verifications, and notifications. In addition to the wide use of SMS messaging for personal conversations (person-to-person, or P2P messaging), messaging by businesses (application-to-person, or A2P messaging) is exploding as one of the most widely used channels for business communication with customers.