Send, receive, and manage SMS & MMS conversations for your entire team — all in one clean, modern workspace. No technical setup required.
Trusted by businesses across Chicago & beyond
One platform for every SMS and MMS conversation — from one-on-one chats to bulk campaigns reaching thousands.
Send and receive text and picture messages from dedicated local phone numbers. Full conversation threads, just like a real inbox.
Get local 10-digit numbers for your business. Manage multiple lines, set default senders, and keep personal numbers private.
Import thousands of contacts via CSV, organize them into groups, and keep your lists clean with automatic opt-out handling.
Reach your entire customer list with a single send. Schedule campaigns, personalize messages, and track delivery in real time.
See exactly how many messages were sent, delivered, and failed. Detailed per-number and per-campaign breakdowns at a glance.
10DLC registered, MFA-protected logins, automatic STOP/HELP keyword handling, and opt-in/opt-out flows built right in.
Manage conversations on the go with the 312VOIP mobile app. Full feature parity with the web portal, including campaigns and contacts.
Set up instant opt-in confirmations, opt-out replies, and HELP responses. Your compliance workflow runs automatically, 24/7.
Schedule campaigns and individual messages to send at exactly the right time. Set it once and let 312VOIP handle delivery — even while you sleep.
No engineers needed. Sign up, add your phone number, import your contacts, and send your first message — all in under 5 minutes.
Sign up at portal.312voip.com in seconds. Choose your plan — start free with no credit card required.
Connect a Telnyx-powered local number. Your business texts from a real, dedicated 10-digit number.
Upload your contact list via CSV or add them manually. Duplicates are automatically skipped.
Register your brand and messaging campaign with The Campaign Registry (TCR). Carrier approval is required before sending at scale.
Reply to inbound messages one-on-one or blast a campaign to your whole list. Watch delivery reports roll in live.
The 312VOIP mobile app for iOS and Android gives you the full power of the platform in your pocket — conversations, campaigns, contacts, and reports.
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Start free, scale as you grow. No contracts, no hidden fees — cancel any time.
Perfect for testing the platform and sending your first messages.
The go-to plan for small and medium businesses actively texting their customers.
For high-volume teams, agencies, and businesses that need unlimited everything.
All plans include 10DLC compliance, opt-in/opt-out automation, and the mobile app. Start free today →
Don't take our word for it — hear from teams who use it every day.
"We switched from a competitor and the difference is night and day. Mass campaigns that used to take hours now go out in minutes. Our appointment reminders have never been more reliable."
"The mobile app is fantastic — I can reply to leads on the road just like I'm on the desktop. The contact opt-out handling alone saved us from a compliance headache. Highly recommended."
"Set up took less than 10 minutes. We imported 3,000 contacts and sent our first campaign the same day. The delivery reports are real-time and incredibly detailed. Best SMS platform we've used."
Start free today — no credit card required. Your first 100 messages are on us.