Spam and call blocking
Caller ID lookup: what it can tell you
A reverse lookup answers questions about a number, not about a person. What the query can actually establish, what it cannot, and what to do instead.
· 7 min read
Compliance & unwanted calls
Spam and call blocking
Caller ID, unwanted calls and do-not-call obligations, from the point of view of the business placing and answering the calls.
Articles
Spam and call blocking
How caller ID actually works
The number travels with the call. The name does not. One fact about how the two are delivered explains almost every caller ID question a business has.
· 7 min read
Spam and call blocking
How to block unwanted calls
The measures that work, ordered by how much each one removes, with the gap next to each. Nothing on this list is complete, and that is the useful part.
· 4 min read
Spam and call blocking
How to scrub a calling list
Seven passes in order: normalize, drop what is out of scope, scrub the registry, apply your own list, check the windows, gate on local time, record it.
· 5 min read
Spam and call blocking
Screening calls without losing customers
Every notch of call screening buys quiet and costs callers. How to pick the setting your business can afford, and how to tell whether it went too far.
· 6 min read
Spam and call blocking
The Do Not Call list, explained
How to register your number, what the list stops within 31 days, the long list of calls it never covered, and what the same registry asks of a business.
· 6 min read
Spam and call blocking
What a robocall is, and which are legal
A robocall is any call that plays a recording. Some are legal, some need your written permission, and most of the volume is neither. Where the line sits.
· 5 min read
Spam and call blocking
What do-not-call rules ask of your business
If you call people who did not ask to hear from you, five obligations apply: scrub, an internal list, relationship windows, calling hours and records.
· 6 min read
Spam and call blocking
Why you get so many spam calls
Spam calling is cheap, and the phone number is the disposable part. Why the volume is what it is, why blocking never catches up, and what actually helps.
· 5 min read
Spam and call blocking
Why your business name shows up wrong
Your caller ID name is a record other carriers may or may not read. Who controls it, why displays disagree, and why no provider can guarantee the result.
· 6 min read
