Yeastar PSC - SMS API

3 min. readlast update: 11.03.2025
CrazyTel provides a robust SMS API that allows you to send SMS messages programmatically. This service is especially valuable for 3CX phone system users who want to integrate SMS capabilities into their communication platform. The API is accessible through your CrazyTel customer portal.

Accessing the SMS API

You can access the SMS API documentation and configuration options by logging into your CrazyTel customer account:
  1. Log in to your account at https://portal.crazytel.com.au 
  1. Navigate to the SMS API page at https://portal.crazytel.com.au/sms_api.php 

3CX SMS Integration Setup Guide

This guide is specifically for 3CX Version 18.0 Update 7 Alpha or newer.

Prerequisites

Before beginning the integration, ensure you have:
  • An active CrazyTel account
  • Administrator access to your Yeastar P Series Cloud PBX

Step-by-Step Integration Process

Step 1: Obtain your SMS API Key

  • Log in to your CrazyTel customer portal
  • Navigate to the SMS API page (SMS Messaging - SMS API)
  • Create your API key and save it securely

Step 2: Configure Yeastar Messaging Channel

  • Log in to your Yeastar PSC's Management Console
  • Navigate to the Messaging Channels page
  • Add an SMS Channel
     Authentication

          Message Settings

    • Message Sending Rate - 1
    • Close Session Automatically - Disabled
    • Number
      • Add
        • Number - E164 Format (61412345678)
        • Destination for Inbound Messaging - Extension or Message Queue
        • Extension or Messaging Queue - Select from Drop Down
        • Extensions Allowed to Create Messaging Session - Select from list and press the arrow to move across

 

Step 3: IP Address Whitelisting

  • Ensure you have whitelisted Crazytel's SMS Gateway IP 103.77.233.23

    Security - Security Rules - Allowed IP's - Add

    Basic
    • Name - Crazytel SMS Gateway
    • Description - Crazytel SMS Gateway

         Allowed IP Address/Domain

    • Type - IP Address
    • IP Address - 103.77.233.23

Save

Need More Information?

If you have questions about our SMS API service or Yeastar integration:
  • Contact our customer support team at 1800 272 998
  • Email us through our contact form on the website
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