The SMSCarrier service supports the Short Message Peer to Peer (SMPP) API v3.3 and v3.4. Technical information regarding each of the APIs can be found in this section. The specific subset of capability supported is contained in the SMSCarrier Abbreviated SMPP Protocol Implementation Conformance Statement (PICS).

If you need any help at all with using the service then please feel free to email the Support team at support@hslmobile.com who will promptly get back to you.

SMSC simulator

Test your application's SMS messaging capability with our freely accessible SMSC simulators, available via SMPP.