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Christian Grun
@christiangrun
US A2P 10DLC and TFN Campaign Approval Expert For SMS
United States
English, German
About me
I help U.S. businesses navigate SMS approval, deliverability, and compliance requirements - reducing the risk of carrier rejections, blocked traffic, and regulatory issues.
I specialize in A2P SMS compliance and deliverability, including 10DLC registration, Toll-Free Verification (TFN), and TCPA/CTIA consent audits, as well as diagnosing carrier-level delivery problems. My work focuses on aligning SMS programs with current carrier and regulatory expectations so they can operate and scale responsibly in the U.S. market.
Skills
Christian Grun
Offline •
Average response time: 19 hours
See my services
Text Message Marketing
I will get a2p 10dlc campaign rejection fix for twilio or gohighlevel
Text Message Marketing
I will get a2p 10dlc campaign registration approved for twilio and gohighlevel
Portfolio
Work experience
SMS & Messaging Systems Consultant
SMS marketing services & texting platform for Business Communication • Self-employed
Aug 2025 - Present • 11 mos
I provide consulting and implementation services for business text messaging systems, SMS automation, and carrier registration. My work includes A2P 10DLC registration, toll-free number verification, rejected registration repair, Twilio configuration, messaging service setup, number pools, STOP and HELP handling, website compliance reviews, SMS consent language, privacy disclosures, deliverability troubleshooting, and platform integrations. I also build trigger-based and two-way messaging workflows using Twilio, n8n, APIs, webhooks, GoHighLevel, and other communication platforms. I have successfully managed registrations and messaging projects for real estate, insurance, property management, home services, healthcare, events, automotive, and SaaS businesses.
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scottchetelat
United States
Christian Grun is the expert you are looking for. He was instrumental in getting our A2P 10DLC campaign approved with Twilio, going above and beyond to review every aspect of our campaign and provide meaningful, practical recommendations. He handled the submission process end-to-end and worked proactively...
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