Guides for texting, calling and email.
Plain answers on A2P registration, deliverability, business calling and pricing, written by the team that runs the carrier connections.
What is A2P 10DLC, and does my business need it?
If your software texts customers from a regular 10-digit number in the US, carriers expect you to register. Here is what that means and how to get through it.
Read the guide →SMS segments explained: why one text can cost two
Carriers bill by the segment, not the message. A single emoji can double the count.
How long does 10DLC approval take?
Realistic timelines for brand and campaign review, and what slows them down.
Recording and transcribing business calls
How to turn it on per number, what it costs, and the consent rules to know first.
Porting a business phone number: what to expect
The documents you need, the usual timeline, and how to avoid a missed call during the switch.
Transactional vs marketing email from your own domain
Why they should be sent differently, and the DNS records that keep both out of spam.
Simultaneous vs staged ringing for a small team
Ring everyone at once, or the app first and a phone second. How to pick.
New guides by email
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