Web SMS and MMS Service

Users can send SMS or MMS online to any mobile phone in Hong Kong and Mainland China.


Detailed Bill Record

Detailed Bill Record

No Deposit

No Deposit

Free Registration & Free Trial

Free Registration & Free Trial

No Prepayment

No Prepayment

China-H.K. SMS


Web SMS provides coverage to mobile phone users in both Hong Kong & Mainland China, maintaining a closer cross-border business relationship.

Professional Customer Services

Fast & Time-saving

Simplify the procedure of inputting messages on your mobile phones as it is faster for you to type your text messages on the online portal through computer devices, and it allows you to send a message to multiple recipients simultaneously.

Quality Global Coverage

Cost-saving & Efficiency

Message throughput up to 99%;
Message read-rate up to 99%;
Promotion message can be disseminated within a few minutes

Tailor-made Communication Solutions

No Geographical Constraint

Users can make use of this service anywhere in the world.

MMS Supported File Format


  • .jpg
  • .gif
  • .png
  • .bmp


  • .wmv
  • .mp3
  • .wav


  • .flv
  • .mov
  • .mp4
  • .3gp

*Each MMS size must be within 300KBytes (maximum). MMS exceeding the limit will not be processed.

SMS Sending Methods

  • Send message on Web SMS operator (Details refer to the SMS guideline)
  • Our API program can link up your company server for sending SMS automatically
  • Customer can arrange their SMS easily by sending requests to sms.out@globalcall.com.hk in csv format

For more information please click the below button to download the whole guideline.

Want to enjoy more discount and customize your SMS/MMS plan?

Let us help you!

Contact Us

Enquiry Hotline: +852 2915 1557