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Service 03

Messages that land, at any volume

Fully 10DLC-registered bulk SMS for notifications, alerts, reminders and campaigns to US mobile numbers.

Overview

US carriers filter unregistered application-to-person traffic aggressively, and a message that is filtered does not bounce loudly, it simply never arrives. We handle 10DLC brand and campaign registration so your messages are delivered rather than silently dropped.

Send notifications, reminders and promotions to US subscribers with high-throughput A2P messaging. Brand and campaign registration is handled for you, and delivery reporting means you always know what landed.

What you get

10DLC registration handled

Brand vetting and campaign registration submitted and maintained for you.

Throughput that scales

Message-per-second limits raised as your trust score and volume history build.

Two-way conversations

Replies land back with you, so a notification can start an actual exchange.

Delivery receipts

Per-message status, so you can tell delivered from filtered rather than guessing.

REST API and webhooks

Trigger messages from your CRM, ticketing system or internal tooling.

Opt-out compliance

STOP, HELP and consent handling managed automatically to stay within CTIA rules.

Where it fits

Common ways teams use it

Appointment reminders

Cut no-shows with a text the day before, and let people reply to reschedule.

Operational alerts

Delivery windows, order status and outage notices sent from your systems.

Two-factor codes

Time-sensitive delivery where a filtered message means a failed login.

FAQ

Bulk SMS & A2P questions, answered

It is the registration framework US carriers require for business texting from standard ten-digit numbers. Without it, throughput is throttled and messages are heavily filtered. It is not optional if you want reliable delivery.

Brand registration is usually same-day. Campaign approval typically takes a few business days, longer for categories carriers scrutinise more closely, such as lending or healthcare.

In most cases yes, an existing local number can be enabled for messaging. Toll-free numbers use a separate verification process, which we also handle.

Ready to set up bulk sms & a2p?

Tell us about your team and a US-based engineer will map it out with you. Or email info@ngstel.com.

Get Started