Creating a State Where Customers Can Wait with Confidence

Customers do not necessarily dislike waiting. What they dislike is uncertainty. By providing the right message at the right time, businesses can reduce anxiety and help customers wait with confidence. In this article, we explore the role of SMS and notifications in creating a better customer experience.

2026/06/26 · Aiko Yokoyama

Customers Want Choices, Not Waiting Time

Customers contact businesses through email, phone calls, chat, and many other channels. What they rarely choose is waiting. Customer support automation is not about removing the human touch—it is about delivering reassurance as quickly as possible. In this article, we explore how SMS can help provide that first acknowledgment.

2026/06/17 · Aiko Yokoyama

Introducing SMS Templates

Xoxzo now offers SMS Templates, allowing users to create and manage reusable SMS content with dynamic variables. The feature helps improve operational efficiency while supporting reliable and consistent messaging workflows.

2026/06/03 · Aiko Yokoyama

Authentication Systems Eventually Return to Phone Numbers

Authentication systems are not designed only for success. They also need to recover from failure. Even in the era of passkeys and biometric authentication, phone numbers continue to serve as one of the last recovery paths.

2026/05/28 · Aiko Yokoyama

A Strange Week of Subscription Bombing on Our Support Inbox

One day, our support inbox suddenly filled up with registration emails from real services we had never signed up for. Apparently, this kind of inbox flooding has a name: “Subscription Bombing.” Here’s a small operational story about modern spam and reducing impact instead of chasing perfect prevention.

2026/05/14 · Aiko Yokoyama

Great Systems Are Quiet

Well-designed systems are quiet. They handle failures behind the scenes and allow users to complete tasks without friction. This article explores why “quiet design” matters.

2026/05/12 · Aiko Yokoyama

Systems Should Assume Failure

Communication does not always succeed. SMS delivery depends on multiple layers including networks and filtering systems. Designing for retries and fallback mechanisms is essential for building reliable systems.

2026/04/27 · Aiko Yokoyama

Users Don’t Read Messages

Users don’t read messages carefully—but they still act. This article explores how human behavior shapes system design, and why SMS and OTP work so well.

2026/04/15 · Aiko Yokoyama

[EZSMS]Sub-account Feature Now Available for Pre-pay Users

Until now, the EZSMS sub-account feature was available only to　contracted (Post-pay) users. We are pleased to announce that, in response to customer requests, the sub-account feature is now also available to Pre-pay users.

2026/03/04 · Aiko Yokoyama

Why SMS Is Well Suited for Authentication

Why is SMS so well suited for authentication? By avoiding replies and conversation, SMS enables identity verification that is simple and less prone to failure. This article explores why SMS continues to be a standard method for authentication today.

2026/02/05 · Aiko Yokoyama