SMS FAQ

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  • Question
  • Updated 10 months ago
  • Answered
  • (Edited)
The Send SMS API allows you to send SMS from the RC number that you have logged in as. Here are the typical scenarios for “from” and “to” numbers.



"From Numbers”

Case 1: Main Extension number


When you are logged in as the “Main Extension Number” ( Ext 101 ) the message would be sent from Ext 101 to the “to” number




Case 2: Other Extensions


When you have an extension with both a Digital Line and a Direct number and you are logged in using either of them. A message would be sent from the number that you use as the “From” number ( digital / direct )




“To Numbers”


The “To” numbers could be either:


  • PSTN
  • RC Number ( Main Number / Extension /  )



Text Message size restrictions:


We support up to 1000 characters for the text message.



Short Codes:

Currently we do not support Short Codes for the extension numbers. 
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AK, Official Rep

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Posted 3 years ago

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Anton Nikitin, Official Rep

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We will support up to 1000 characters in both inbound and outbound SMS by the end of Aug.
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Chris Patterson

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Great, thank you for all of the answers!

Can we receive messages and, if so, how can we receive messages via the API? For example, we would like to receive texts in and have our software pick those up. Maybe via a web hook or something similar? Any information is appreciated.
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TT, Alum

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You can indeed receive messages and retrieve them through the RingCentral API.

Please see for more detailed information the Sending SMS Dev Guide.

Messaging between RingCentral extensions is referred to as paging in our API Reference 
(Edited)
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Antonio Olander

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These links are dead, can these be updated?
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AK, Official Rep

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Thanks Antonio. We have fixed the links.
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dheighton

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Is there a way for an extension to be given permission to text from another extension's number? For instance we would like to send text's out to clients as if from an individual sales person, but without the sales people having to go through any sort of flow. (This would be automated, like emails).

Not seeing a clear cut way to do that without having all of my sales people having to go through an oauth workflow to give permission?
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VB, Official Rep

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No. There is no way that you would be able to send a text from another extension without authorizing as that extension(privacy issue)
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dheighton

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As a follow up to that, how can I send a text out from the main company number on the account? I am authorizing and logging in from the primary admin account, but I can't send from our main company number.
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99999 Operator

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You cannot send SMS from the main company number instead you could send from any of the numbers which is attached to an extension.

Lets say the authorized extension  has multiple digital lines associated. You could use any of the digital lines to send SMS
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John Wang, Official Rep

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You can send text out from the main company number when authorized as the Operator Extension.

By default the Operator Extension is extension 101, however, this can be configured to point to other extensions in the Online Account Portal Admin's Auto-Attendant's Operator Extension configuration panel.

You can see more information on assigning the Operator Extension in our Knowledgebase here:

http://help.ringcentral.com/articles/RC_Knowledge_Article/Assigning-the-Operator-Extension-on-an-Onl...
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John Wang, Official Rep

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As a follow-up, it is also possible to both send SMS from the main company number and have multiple users respond to the main company number. To do this, configure your users using a Call Queue and then have the Operator Extension configured point to the Call Queue. To send SMS as the main company number, set the password for the Call Queue extension and use that extension to authorize the SMS app.
(Edited)
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Derm Derm

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I have created a number under the extension I connect to with the API for sending SMS messages. The messages seem to be sent (I get response 200) but in testing sending to my cellphone I never get the messages. This worked in the sandbox but it isn't working in production.
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AK, Official Rep

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Could you open a case with our Developer Support team addressing the issue:
https://developer.ringcentral.com/support.html