Multimedia messaging

MMS

Multimedia messaging for supported markets with image-specific country restrictions.

Service overview

SureM MMS supports richer customer messaging in selected markets, combining longer text, images, and URL-linked content for promotions, service guidance, and customer communication that needs more than plain SMS.

Core specifications

Supported markets
China, Hong Kong, Taiwan
Supported file format
JPG
Business value
Richer alerts, offers, maps, and branded customer content
Launch guidance
Coordinate with SureM international team in advance

Business uses for MMS

Promotional creatives

MMS is suited to flyers, coupons, brochures, product launches, and other image-led promotional messaging.

Location and service guidance

MMS can deliver maps, building photos, service-center directions, and richer instructions when plain SMS is too limited.

Longer customer content

SureM positions MMS as a way to deliver up to around 1,000 Korean characters with image, audio, video, or URL-linked content.

Operational features

Scheduled sending

MMS workflows include scheduled transmission for campaigns, timed reminders, and planned customer communications.

Real-time result checks

SureM highlights sending-history review and result confirmation as part of the MMS operating flow.

Web and Excel-based sending

SureM also describes web sending, address-book upload, and Excel-linked X-Messenger support for bulk MMS operations.

Supported countries

China

MMS delivery supported with tighter payload constraints and country-specific sender behavior.

Hong Kong

MMS delivery supported with larger media allowance and preregistration-sensitive sender handling.

Taiwan

MMS delivery supported with country-specific sender and payload handling rules.

Image format and size limitations

CountryFormatMax size
ChinaJPG80KB
Hong KongJPG200KB
TaiwanJPG200KB

SID details

CountrySender behavior
ChinaNumeric random
Hong KongAlpha (pre-registration required)
TaiwanNumeric random

Launch coordination

For stronger MMS delivery performance, review market support, payload limits, sender handling, and rollout timing with the SureM team before launch.

Message example

{
  "type": "MMS",
  "mediaUrl": "https://cdn.example.com/campaign.jpg",
  "message": "See this week\'s featured offer."
}

Common use cases

  • Campaign launches
  • Rich reminders
  • Promotional creatives
  • Branded notices