Bulk SMS API - SNPP to SMS

You can easily connect to our bulk SMS text gateway using the Industry Standard SNPP protocol. A detailed protocol specification is available from the IETF.

TCP port 444 is open for SNPP connections on both of our servers s3.csoft.co.uk and s4.csoft.co.uk

Account Authentication

In terms of your It's Arrived Username and PIN the syntax is

LOGIN <Username> <PIN>

e.g.

LOGIN ANOther.12345 123456

Character Encoding

Our SNPP to SMS API accepts messages encoded using UTF-8.