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AppendIQ

APPENDIQ / RESEARCH & GUIDES

The research desk.

Contact data, screening and the decisions behind an outbound campaign. Dated research, cited sources and practical guides.

RESEARCH EDITION / 13 OCTOBER 2026

Informational research, not legal advice. Sources and rules can change; see each article’s methodology and limitations.

01

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.

9 cited sourcesRead ↗
A telephone handset connected to abstract contact profiles by blue light trails.
02

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.

16 cited sourcesRead ↗
Blue data pathways pass through review checkpoints, with some paths held aside.
03

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.

3 cited sourcesRead ↗
Two abstract record-processing paths show inspection and the addition of missing data tiles.
04

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.

5 cited sourcesRead ↗
A blue connection passes between two abstract contact profiles.
05

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.

4 cited sourcesRead ↗
A telephone handset sends blue signal waves through a transparent analysis lens.
06

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.

Practical workflow guideRead ↗
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NOTES
07

WORKFLOW GUIDE / 3 MIN READ

Make screening a step. Not an assumption.

Where litigator screening fits into a considered data workflow.

Practical workflow guideRead ↗
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NOTES