What Counts as Documented Consent
Prior express written consent applies specifically before an autodialed or prerecorded call reaches a wireless number. Beyond that specific trigger, the broader expectation across outbound compliance is documentation: a record of every call placed, every consent captured, and every opt-out honored, so compliance can be proven, not just asserted.
"We follow the rules" is not documentation. A dated, retrievable record tied to a specific number is documentation. That distinction matters the moment a complaint or audit asks for proof instead of a promise.
Why a Paper Trail Beats a Verbal Assurance
If a complaint or audit happens, the business that can produce a specific record for a specific number is in a completely different position than the business that can only say it believes its process is sound. Verbal assurance doesn't hold up under scrutiny. A record does.
This is the same operational discipline behind receipts-backed weekly billing: a vendor who tracks and documents exactly what you paid for, appointment by appointment, tends to be the same vendor who tracks exactly who they called, when, and with what consent on file. The two habits come from the same place.
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A usable consent and call record doesn't need to be complicated, but it does need to be consistent. At minimum, keep the date and time of the call, the number dialed, whether it was answered, the outcome (booked, declined, no answer), and, for any call where consent applies, how and when that consent was captured.
If a number requests removal, log the timestamp of that request and the date it was honored. That single record, request and confirmation, is often the difference between a resolved complaint and an open one.
Opt-Outs Need to Actually Stick
Once someone asks to be removed, that request needs to follow them permanently, across every future campaign, not just get scrubbed from the current list. A number that opts out on the first call and gets dialed again three months later on a fresh campaign is exactly the kind of gap that turns a minor process issue into a real complaint.
This is a system requirement, not a willpower requirement. Ask any vendor how an opt-out request propagates: does it apply company-wide and permanently, or only to the specific list it came from?
What to Ask a Vendor Before You Hand Them Your Calling
- Can they produce a call log for a specific number on request, not just a general summary?
- Do they document consent actually captured, with a timestamp, rather than assumed or inferred?
- How fast can they show you a specific number's full history if a complaint comes in?
- Does an opt-out apply permanently and company-wide, or only to the list it came from?
These are specific, answerable questions. A vendor who can't answer them specifically is telling you their documentation isn't as solid as their sales pitch.
What this means for you
- Prior express written consent is specifically required before an autodialed or prerecorded call reaches a wireless number.
- Regulators expect a documented record of every call, every consent, and every opt-out, not a verbal assurance that rules were followed.
- Opt-out requests need to be permanent and company-wide, not just removed from the current campaign's list.
- Ask any vendor calling on your behalf how they document consent and how fast they can produce a specific call's record.
Sources
The external data in this guide draws on the sources below. Figures described in the text as estimates or industry triangulations are directional and are not attributed to a single dataset.
- FTC, Complying with the Telemarketing Sales Rule
- Kixie, everything you need to know about the TCPA for cold calling
- Leads at Scale, cold calling compliance guide: TCPA, DNC, and state regulations