SMS Integration

SMS Integration

Send and receive business SMS/MMS messages directly from the user apps of your Yeastar P-Series Phone System.

Category:MessagingWorks with:P-Series Phone System



As a business service channel and an effective marketing tool, SMS text messaging provides a direct and immediate way to connect with customers. It allows businesses to deliver time-sensitive and personalized information such as order confirmations, appointment reminders, promotions, and delivery updates, with an average open rate of 98%.

Yeastar P-Series Phone System offers an Omnichannel Messaging feature that supports SMS/MMS trunk integration, allowing users to manage all business text messaging, voice calls, and video in one simple app.

Ready-made SMS service provider integrations: Twilio, Telnyx, Bandwidth, Flowroute, VoiceMeUp, SIPTRUNK, and VOIP.MS.

Custom Integrations: easy to develop custom integrations via General Integration Template using open APIs.


Key Features

All-in-one Messaging Inbox. Send and respond to business SMS/MMS messages directly from Linkus UC Clients. Manage your SMS/MMS chats, WhatsApp chats, and internal team chats in the same interface, removing the need to switch between apps.

Click to SMS. Users can actively click to send SMS/MMS messages to business contacts.

Message Assignment & Collaboration. Incoming messages can be routed directly to a queue of agents or a specific agent. When handling the message, agent can click to transfer an SMS chat to colleagues, so that the colleague can take over the conversation without the customer’ notice.

Contacts Matching. Automatically match incoming messages with contacts stored in the PBX server to identify the sender. These contacts include those created and managed directly on the PBX, as well as those synchronized from the connected CRM or helpdesk platform.

Chat to Call. Elevate SMS chats to voice calls in one simple click.

SMS Archive. Keep a central record of all SMS messages with the Chat Archive function. You can schedule to auto backup and clean up SMS chat history stored in the PBX server.

Channel Statistics and Chat Log. Intuitive Messaging Channel Performance list that shows statistics on the total messages /sent/received/failed per SMS number channel. Plus, you can pull and export a report that has all texts from a user or phone number.

Easy and unlimited SMS Trunk Integration. Inbuilt SMS trunk setup template to help you complete the integration in minutes. You can integrate with unlimited SMS numbers and different SMS service providers at the same time.

Note: the MMS support depends on the SMS service provider.


Assist customers across multiple channels from one interface

Message through business number & keep employees’ personal number private

Allow employees to respond from anywhere on the web browser, through computer desktop app, or via mobile phone*

Simple to use. Save money on 3rd party services.

Featured In

P-Series Phone System

Easy-first communications for businesses of all sizes


Quick Start Reference

Before you start, you need to have a Yeastar P-Series Phone System (Enterprise Plan or higher) and a number from Twilio, Telnyx, Bandwidth, or Flowroute for messaging.

Login to your P-Series Phone System and go to the Management Portal > Messaging to add an SMS channel and click to copy the “Webhook URL” generated automatically for the channel.

Login to your SMS service provider account to configure a number for SMS and use the Webhook URL for the integration authentication. Then, copy your account authentication information (which might be Application ID, Access Key, etc. depending on your service provider).

Return to the P-Series Phone System Management Portal > Messaging > Authentication and fill in the authentication info you obtained from your SMS service provider to complete the integration.

Go to the Messaging Settings tab to set up the channel’s recipient, user permissions, and messaging sending rate, then done!

For a step-by-step guide with screenshots, please refer to the integration guides below.

Developed by:Yeastar


PBX Plan: P-Series Enterprise Plan or Higher

PBX Version: XX.12.0.X or Later

SMS Service Provider: Twilio, Telnyx, Bandwidth, or Flowroute.


Contact the Developer

Please contact the developer to get the app or for tech support

Developer WebsiteDeveloper

Phone NumberPhone Number15362541254

Support EmailSupport

Support WebsiteSupport