Blog | SureM

International SMS Compliance, Part 2: South Korea, India and Cross-Border Data Handling

For example, a phone number collected for order confirmation or delivery notifications should not automatically be used for promotional campaigns. Advertising SMS generally requires explicit prior consent unless a statutory exception applies. Businesses should also verify that customer information is being used for an appropriate and lawful purpose.

November 3, 2026

InternationalSMS

Sender ID Pre-Registration Guide — Comparing MENA, APAC, and North America

In the early days of global A2P SMS, brands could set a custom alphanumeric Sender ID ("YOURBRAND" instead of a number) on the fly, per message. To curb impersonation and smishing, most major markets now require that Sender ID to be registered and approved in advance.

October 14, 2026

InternationalSMS

How Businesses Can Use SMS, LMS, and MMS for Different Customer Communications

Sometimes a business needs to provide more information than can comfortably fit into a short SMS. This is where LMS (Long Message Service) can be useful, particularly for businesses communicating with customers in South Korea. LMS allows businesses to send longer text-based messages and is commonly used for detailed notifications, service information, and customer notices. SureM's current service information describes LMS as a Korea-focused long-message format supporting up to approximately 2,000 bytes.

September 21, 2026

InternationalSMS

MMS vs. SMS vs. WhatsApp: Compare Messaging Channels at a Glance

In today’s digital environment, businesses have more ways than ever to communicate with customers. From traditional SMS and MMS to messaging platforms such as WhatsApp, each channel offers different capabilities depending on the message, customer, and market. So, which messaging channel is right for your business?

August 14, 2026

InternationalSMS

Why Choose SureM for International Messaging?

In today’s global digital environment, businesses need messaging that is fast, reliable, and capable of reaching customers wherever they are. Whether it is an OTP, transaction notification, customer update, or marketing message, successful delivery depends on more than simply sending an SMS. Choosing the right messaging infrastructure and network partner is essential.

August 6, 2026

InternationalSMS

Why WhatsApp Is the Key to Global Customer Communication

As businesses expand across borders, communicating with customers quickly and effectively becomes increasingly important. Traditional channels such as email and SMS remain useful, but they often provide a fragmented customer experience and may require users to switch between different applications.

July 27, 2026

InternationalSMS

SureM Becomes an Official WhatsApp Business Messaging Provider: Expand Customer Communication Worldwide

SureM Becomes an Official WhatsApp Business Messaging Provider: Expand Customer Communication Worldwide Meta Title: Official WhatsApp Business Messaging Provider | SureM Meta Description: Connect with customers worldwide using SureM's official WhatsApp Business Messaging solution. Send notifications, OTPs, customer support messages, and marketing campaigns through the WhatsApp Business Platform.

July 21, 2026

InternationalSMS

Why Overseas Companies Should Choose SureM for Business Messaging in Korea

Expanding into South Korea often requires more than translating a website or opening a local office. Businesses also need a reliable way to communicate with Korean customers. From one-time passwords and account notifications to delivery updates and marketing campaigns, text messaging remains one of the most important customer communication channels in Korea.

July 16, 2026

InternationalSMS

Why Use WhatsApp Business Messaging with SureM?

As more businesses adopt WhatsApp Business Messaging to engage customers worldwide, choosing the right messaging provider is just as important as choosing the platform itself.

June 26, 2026

SureM Blog

International SMS Compliance, Part 2: South Korea, India and Cross-Border Data Handling

Sender ID Pre-Registration Guide — Comparing MENA, APAC, and North America

How Businesses Can Use SMS, LMS, and MMS for Different Customer Communications

MMS vs. SMS vs. WhatsApp: Compare Messaging Channels at a Glance

Why Choose SureM for International Messaging?

Why WhatsApp Is the Key to Global Customer Communication

SureM Becomes an Official WhatsApp Business Messaging Provider: Expand Customer Communication Worldwide

Why Overseas Companies Should Choose SureM for Business Messaging in Korea

Why Use WhatsApp Business Messaging with SureM?