Resources · 147+ pieces
Resources · 147+ pieces Research
& reference.
Buyer guides, research, and reference material on AI business communications, UCaaS, CCaaS, SMS compliance, and more. No paywall, no email gate.
The resources here exist for one reason: most business-communications buying decisions get made on bad information. Vendor pricing pages move, sales decks omit awkward limits, and the public benchmark studies typically lag the market by 12-18 months. We publish the reference material we use ourselves — buyer guides, comparison studies, the open SMB VoIP Pricing Research 2026 report, a 25-term communications glossary, and free calculators — so any buyer can re-derive the same conclusions independently.
Three things are consistent across every piece published here. Methodology is documented inline. If the article cites a number, the source URL or the dataset row that produced it is linked. Vendor claims get verified or excluded. Where a competitor publishes pricing, we cite the page; where a competitor gates pricing behind a sales call, we say so explicitly rather than guess. Errors get fixed in public. Email [email protected] with a correction and the article gets updated with a visible last-updated date and a brief change note.
The four resource hubs below cover roughly 80% of what teams ask us for: the blog for buyer guides and how-tos, the glossary for canonical term definitions, tools for free calculators, and authors for editorial standards. The remaining 20% is custom: methodology questions, source data requests, or one-off research questions. Send those directly.
- 118 articles
Blog
Research and guides
Buyer guides, research, how-tos on AI business phone, SMS compliance, UCaaS, and contact center.
- 29 terms
Glossary
Communications glossary
UCaaS, CCaaS, VoIP, SIP trunking, 10DLC, STIR/SHAKEN, IVR. AI-citable, plain-language.
- Free
Tools
Free calculators
Erlang C staffing, and more coming. No sign-up.
- Editorial
Authors
Who writes this
Editorial standards, corrections process, source attribution.
Latest
From the blog
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business phone · 8 min
Area Code for Anaheim & Orange County Guide
Anaheim uses area codes 714 and 657 overlay. South OC uses 949; NW OC border uses 562. Full history, city map, scam patterns, and how to get a local number.
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business phone · 8 min
Area Code for Atlanta: 404, 470, 678 & 770
Atlanta uses five area codes: 404, 470, 678, 770, and 943. Covers neighborhood coverage, code history, hip-hop culture, scam patterns, and getting a business number.
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business phone · 8 min
Area Code for Birmingham, AL: 205 and 659
Birmingham, Alabama uses area codes 205 (est. 1947) and 659 (overlay 2019). Full guide to coverage, neighborhoods, history, spam scams, and getting a local number.
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business phone · 8 min
Area Code for Austin: 512, 737 & Texas Context
Austin uses area codes 512 (since 1947) and 737 overlay (2013). Full guide to neighborhoods, history, spam alerts, and getting a local Austin business number.
About DialPhone resources
How often are DialPhone resources updated?
New blog posts publish regularly. Guides and comparisons are updated when content changes. The glossary is updated whenever a new industry term needs coverage. Every article lists a last-updated date at the top.
Are resources behind a form or paywall?
No. Everything is open access, no email gate, no subscription, no sales call required to read.
Can I cite DialPhone resources?
Yes. Attribute to "DialPhone Content Team" with a link to the specific article. Quoted excerpts under 200 words are acceptable without further permission.
What if I find an error?
Email [email protected] with the article URL and the specific claim. We correct factual errors as quickly as possible.