Getting Registered for SMS/MMS Messaging for officeXtend

What to do to get registered

Why The Change to Registration for Messaging

With changes to the current messaging landscape, mobile carriers are now requiring any business users that send SMS/MMS messages over 10 digit numbers (A2P 10DLC) to have those numbers registered with an organization called The Campaign Registry (TCR).

The intent is to cut down on text message spam that has become a growing problem for their mobile customers. Registering with TCR allows TCR to review your use-case for what you intend to use messaging for, link the Brand (the business entity sending the messages) and the Campaigns (each specific use-case) with the CSP (Campaign Service Providers), along with the list of telephone numbers the messages will be sent from, all with the purpose of providing complete traceability back to the originator of any message. If your messages are determined to be non-compliant, the mobile carriers will happily send us a fine, which we will then pass on to you. Repeated non-compliance will result in the mobile carriers blocking your number completely from messaging.

In order to prevent the risk of financial penalties, we have taken the step of disabling all SMS/MMS messaging for use with officeXtend.

If you do want to keep sending messages external to your organization, these messages will be sent using SMS/MMS and require a registration with TCR. However, until the whole registration process is complete, we cannot enable you to send SMS/MMS messages.

Using officeXtend For Internal Messaging

As part of the recent change, we also enabled a feature in officeXtend where you can still send messages to other internal users within your own organization such that those messages do not traverse the SMS/MMS messaging gateways. To enable this feature, simply log out of your client and log back in. The messaging tab will be there, and you can send and receive normally within your organization.

Steps to Get Registered

Fortunately, as our customer, you don't need to do the registration process with TCR directly. We are your CSP (Campaign Service Provider) and will file your Brand and Campaign information for you with TCR. With that said, we will be asking a lot of information about your company, the intended uses for messaging and the list of phone numbers you'll be sending messages from. All of this information is REQUIRED by TCR to evaluate your request. They are trained to know what will pass the mobile carriers scrutiny in terms of your registration request.

NOTE: Fees also apply to brand and campaign registrations. The fees are listed at the bottom of this article.

Cheat Sheet Form

To start, we have a handy form here:

A2P 10DLC Messaging Campaign Form

This form contains all the information that we need to file your request with TCR.

Brand Information

The first page is the Brand information. This is information about your company and should be pretty clear about what to fill out. A Brand can have multiple Campaigns if you have different use-cases that you use messaging for.

Campaign Information

The second page is the Campaign you will be filing. Note that "Campaign" is used loosely here in that it's normally associated with a text message blast, but in the context of filing for messaging use-cases, it really means what is going to be the content of your messages.

For officeXtend usage, the campaign choice really depends on how you are using the client to communicate with customers and most importantly, the content of those messages.

If you have a lot of time, here is a very detailed article on what is A2P 10 DLC messaging and all the related information, most of which you don't really need to know to complete the form.

Everything You Wanted to Know About A2P 10DLC But Were Afraid To Ask

It's a lot as the mobile carriers have made this very complex.


However, since you don't really need to know all this, we'll list some parts of that info that will help in deciding how to fill out the campaign info.

We have a doc with a list of Best Practices for a successful messaging campaign. Note that this doc has a lot of detailed information, so the sections that might be relevant for your business are Section 6 and Section 8. There is some useful notes in here about how to not run afoul of the mobile carriers rules around content, which is where much of the focus is.

Messaging Best Practices


For officeXtend, the more common use-case will likely be "Low-volume mixed". When choosing this, select the types of content you might be sending, like "Customer Care" or perhaps "Marketing". Many of the other types are more common for automated systems (2FA, Account Notifications, etc) vs how you would send messages in officeXtend where you must type in your message one-by-one to each destination, though you can obviously choose to send the message to more than one number. Again, keep in mind the expected content of your messages will help determine the use case category to choose.

For "Campaign Content and Attributes", most of these will likely not apply to your manually entered messages except for "Embedded Link" and "Embedded Phone Number". If you commonly add a link or phone number to messages, Section 8.12.2 and Section 8.12.3 should be read and understood as these can easily trigger a review of your messaging campaign if you don't follow the recommendations.


The Campaign Description should be something about how you are using messaging, and some sample messages you might send are required to help TCR in evaluating your use-case and content.

And finally, the list of telephone numbers (TNs) that should be allowed to send/receive SMS/MMS messages as part of this campaign.

You can list up to 49 TNs for use with a campaign. Over 49 TNs incurs a very high fee in order for TCR and the mobile carriers to evaluate why you need more than that for a "campaign". When choosing these TNs, make sure the users of those TNs really do need to send messages externally. In many cases, users may only need to message within your organization and do not need to be listed as part of the campaign. This will help conserve the list of TNs so you can stay in that 49 TN range.

Where To Send the Form

Once you have the form filled out, you can email this to Please include the following:

Subject Line: SMS/MMS Brand/Campaign Form for UCaaS officeXtend

Body: Include a brief description of what you are requesting and include additional contact info in your email request such as an authorized user on your account.

Attachment: Don't forget to attach your filled-out form to the request and list the exact TNs that will be included in your campaign.


If you know your Customer Success representative, you can reach out to them to get the process started.



The Campaign Registry (TCR) charges fees for their various services. The fees that we will be potentially passing through are the following:

Fee Cost Description
Brand Registration and Vetting $10 One-time TCR Fee per Brand/Company
Campaign Registration Fee $15 Fee per campaign

As an example, a typical brand and campaign registration would incur approx. $25 in fees. This would consist of the $10 TCR fee and the $15 fee per campaign. Typically only one campaign would be needed for use with officeXtend unless you have more than 49 numbers.



Watch your content. There are heavy penalties that will be passed on especially by T-Mobile for any content violations. Some examples include the following:

Penalty Fee Description
10DLC A2P Text Enablement Non Compliance Violation $10,000 T-Mobile penalty for sending texts from non-approved numbers - per violation
10DLC A2P Program Evasion Non Compliance Violation $1,000 T-Mobile violation for using evasive measures - per violation
10DLC A2P Content Non-Compliance
$10,000 T-Mobile penalty for content violations - per violation


If we are charged one of these fees due to a violation of your brand/campaign, we will pass these on to you. Repeated violations will result in your brand being blocked from future messaging campaigns.


Other operators may add penalties in the future.