Call Tracker
See what makes your phone ring.
Every call tied back to the campaign, keyword, and ad that drove it. Call recording, SMS, and real time reporting included.
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A2P 10DLC Regulations Update
SMS marketing and business sms messaging have dramatically changed now with A2P 10DLC regulations fully in effect.
Update, October 2026: Call Tracker now includes A2P 10DLC registration. Register your business once from Account Settings and you can reply to the text messages your local tracking numbers receive. See SMS registration is now built in below.
What is A2P 10DLC?
A2P 10DLC (Application-to-Person 10 Digit Long Code) is a new framework standard US telecom carriers have put in place to ensure all SMS traffic to US end-users through 10 digit long code numbers (i.e. local numbers) is fully vetted, verified and consensual. Learn more about A2P 10DLC.
In short, A2P 10DLC is a response to the proliferation of SMS spam that has become a rampant problem in the US which has forced new regulations to combat the problem.
How does this relate to Call Tracker?
To date, Call Tracker has supported replying to inbound SMS messages through our application interface and also SMS Autoresponder messages to send a message in missed call scenarios.
In order to comply with A2P 10DLC regulations, ISVs (ie Call Tracker) now must register each of our end-user companies with their own dedicated campaign that has been fully vetted and approved by telecom networks to accept the SMS traffic. There are ongoing monthly costs and application fees with network providers for each brand to maintain their registration.
In effect, the impact on our platform is the outgoing SMS responses and SMS Autoresponder messages fall under A2P 10DLC regulations and all local numbers must be registered with a brand and approved to send messages. The end result is that most of our customer base will not notice or be impacted by this change as SMS marketing is not a core tenant of our services at this time.
What we changed in 2023
When the rules took effect, replying by text meant collecting company legal documents, processing a brand registration and paying ongoing carrier fees for every customer. We removed outgoing SMS at that time while we worked out how to make registration simple.
SMS registration is now built in
Call Tracker now registers your business with the carriers for you. You do it once, from Account Settings, then SMS Registration.
- Register your business. Enter your legal company name, EIN, business address, website and phone, exactly as they appear on IRS records.
- Submit for carrier review. One button. The carriers review it, which can take up to 5 business days, and we email you when it is approved.
- Reply to your messages. Open a conversation in Messages, type your reply and send. Replies are up to 160 characters.
The carriers charge fees for registration, and we pass them through at cost on your next invoice:
| Item | Cost |
|---|---|
| Business registration | $4.50, once |
| Carrier review | $15 per submission |
| Active registration | $1.50 a month while replies are on |
A few things to know before you start:
- You need an active paid plan. Registration is not available during a trial.
- Replies work on local numbers. Toll-free numbers cannot reply.
- A number you buy later joins your registration automatically.
- If someone texts STOP, the carriers block further texts to them.
The full walkthrough is in our help center: SMS Registration. Questions are welcome at support@calltracker.io.
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