Connecting an SMS channel to chat with customers over SMS.
Short Messaging Service (SMS) is a text-based way of communicating that has been around for a decade or more. If you would like to use the IS-Messenger platform for SMS messaging, you will need to create an account with one of our partners.
Once you have created an account and provisioned a phone number, you may connect it to the IS-Messenger platform and interact with your contacts through SMS messages just like any other channel.
If you wish to connect SMS to the IS-Messenger platform, please consider the following partners:
If you are interested in using a partner that is not listed here, please request a new channel integration on the IS-Messenger Feature Request board!
The channel capabilities of SMS supporting partners are listed below:
Message Status Availability
Supported File Types
Metadata Received by Channel
Broadcasts
Rate Limits
The message status availability for different SMS channels is shown in the table below:
SMS Channel
Sent
Delivered
Read
Failed
Twilio
✅
✅
❌
✅
MessageBird
✅
✅
❌
✅
Vonage
✅
✅
❌
✅
The file types supported by different SMS channels and the maximum file size for each file type are shown in the table below:
SMS Channel
Image Size Limit (MBs)
Audio Size Limit (MBs)
Video Size Limit (MBs)
Twilio
5
0.5
0.5
MessageBird
1
1
1
Vonage
2
-
-
Different channels provide different sets of Contact's metadata to the IS-Messenger platform. The list of Contact's data you’ll be able to obtain from different SMS channels is shown in the table below:
SMS Channel
Metadata Received by Channel
Twilio
Phone number, City, State, Postal code, Country
MessageBird
Phone number
Vonage
Phone number
IS-Messenger’s supporting SMS partner channels have no restrictions on the content or number of messages businesses can send in a broadcast. Broadcast messages will be charged at the usual per-message rate.
- Learn more about how to send a broadcast here. - Learn how to deal with failed broadcast messages here.
A rate limit is the number of API calls an app or user can make within a given time period defined by the channel. Learn more about the rate limits of SMS channels below:
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