Gain customer trust and confidence with 11 characters

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Share promotional offers with your subscribers to express gratitude.

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Keep loyal customers informed of upcoming sales events with a unique sender ID.

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Build consistency and brand reputation with custom ID.

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Enable customers to effortlessly track and review message history using the Sender ID

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Two-factor Authentication
Use Custom IDs to validate and create a secure path for buyers to finalise the transaction.

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Customer Confidence
Send SMS messages with Sender ID for brand recognition and trust.

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VIP Invitations
Send SMS invitations with one way Sender IDs for special events.

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Sales and Promotions
Keep your customers informed of key dates and events with one way sender ID.

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Order Pickups
Send order confirmations and pick up details for a seamless collection process.

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Specials and Giveaways
Use custom IDs when sending vouchers and discount codes to boost open rates.

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Streamline your business with Tall Bob today


Some send.

We deliver.

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Boost EOFY sales with Sender ID

Use Sender ID in your next EOFY marketing campaign to boost conversions.

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Learn to secure messages with Sender ID

Discover how it can prevent your message from being flagged as spam.

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Learn more about Sender IDs

Discover their users and how it can work for you.


Frequently Asked Questions:

  • What is a SMS Custom ID or Sender ID?

    Sender IDs or Custom IDs create brand identity to help customers promptly recognise the sender. They are displayed at the top of an SMS message and can consist of numbers or a mix of numbers and letters. It can be a phone number or a brand name. This feature enhances customer trust and boosts brand recognition.

    To learn more about Sender IDs checkout our support page.

  • What is the sender id limit?

    The sender ID has a maximum limit of 11 characters.This can include numeric, alphanumeric, blank spaces and some symbols. Our support page explains this detail.

  • Why would I use a custom sender ID?

    Sender IDs assist recipients to easily recognise the sender, reducing the risk of messages being flagged as spam or deleted. They establish brand familiarity, encouraging customers to engage by clicking on the message. Furthermore, they maintain message history, enabling customers to easily revisit past conversations. By using a unified number for a business, regardless of the sender within the organisation, recipients will consistently see the same ID each time they receive a message from the business. Overall sender ID creates brand recognition and confidence which can boost brand loyalty.

  • Can businesses track campaign performance using SMS messages with sender IDs?

    Absolutely. Utilising sender IDs in SMS messages allows you to track delivery rates, open rates, and response rates. This helps you assess the success of your current campaign and refine future campaigns accordingly.

  • How do I create a Sender ID?

    Head to our support page for information on how to create Sender IDs.