Hong Kong SMS Features and Restrictions
Overview
We are using Adaptive Routing throughout Hong Kong which will ensure several routes are constantly being tested and the optimum one will be used for your traffic.
Sender ID
For ChinaUnicomHK (45407) and ChinaMobileHK (45412):
- All Sender IDs will be replaced by local Hong Kong numbers to ensure delivery, as alpha Sender IDs are often problematic for 1sim2numbers subscribers.
For CSL (45400) , Hutchison (45404) , SmarTone (45406) and PCCW (45416):
- Dynamic alpha Sender IDs within 3-11 characters length are supported.
- Non-alpha Sender IDs are replaced by local Hong Kong numbers or “SMS” as an alpha Sender ID to deliver.
Content
There are no additional content restrictions beyond those in our Acceptable Use Policy.
Concatenated Messages
Concatenated SMS are supported on all Hong Kong networks.
Other Features or Restrictions
Delivery Receipts
Reliable delivery receipts are supported on all Hong Kong networks.
Additional Information
For more information, see the following articles:
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