SMPP stands for Short Message Peer-to-Peer (SMPP) and is an industry standard protocol designed to simplify the integration of data applications with wireless mobile networks, such as GSM, TDMA, CDMA and PDC. The protocol is widely deployed in the mobile telecommunications industry. SMPP protocol specification is available free from
NRS-Group currently supports version 3.3 and 3.4 of the SMPP protocol.

The following requirements must be met to allow SMS to be sent via NRS-Group connectivity:

• Customer account required
• Enough credit on your NRS-Group Connectivity customer account is required.

Access to NRS-Group services is subject to our general sales terms and conditions.

Please send any technical questions by email to:

You can reach our service hotline on the following telephone number:

902 014 480 (from Spain) or +34 964 523 331 (from the rest of the world)
Monday to Friday from 9.00am to 7.00pm, CET

Download PDF docs
SMPP Server connection API


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