APPENDIQ / RESEARCH & GUIDES
The research desk.
Contact data, screening and the decisions behind an outbound campaign. Dated research, cited sources and practical guides.
Informational research, not legal advice. Sources and rules can change; see each article’s methodology and limitations.
RESEARCH / 7 MIN READ
The State of Telemarketing in 2026: STIR/SHAKEN, Lead Quality, and Sustainable Outbound Calling
Understand STIR/SHAKEN, consent, lead enrichment, and the practical controls that support more reliable, responsible outbound calling in 2026.

RESEARCH / 9 MIN READ
Compliant Dialing in 2026: Federal and State DNC Rules, Consent, and Data Hygiene
Understand federal DNC screening, consent records, state calling restrictions, opt-outs, and data hygiene before launching an outbound campaign.

RESEARCH / 6 MIN READ
Phone Number Validation vs. Data Append: Which Fixes Your Lead List?
Compare phone number validation and data append, choose the right lead-list workflow, and evaluate providers using match quality and usable-record cost.

RESEARCH / 6 MIN READ
Reassigned Numbers Database Checks: How to Screen Aged Leads Before Calling
Learn how to screen aged leads with the Reassigned Numbers Database, interpret results, preserve evidence, and keep consent and DNC checks separate.

RESEARCH / 6 MIN READ
Why Are My Business Calls Marked as Spam? A Caller Reputation Troubleshooting Guide
Diagnose business calls marked as spam, check caller identity and registration, review calling practices, and measure reputation recovery with evidence.

DATA OPERATIONS / 3 MIN READ
A better append starts with a better input file.
A practical checklist for preparing records, reviewing matches, and keeping your source intact.
NOTES
WORKFLOW GUIDE / 3 MIN READ
Make screening a step. Not an assumption.
Where litigator screening fits into a considered data workflow.
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