Article summary
Decide when an RCS number list needs another check, distinguish validity from system tasks and keep historical results without inventing a universal expiry.
There is no universal seven-day or thirty-day expiry for an RCS number check. An earlier result records what that task returned for the number. It does not automatically become wrong after a particular number of days, nor does keeping the file make it suitable for every future use.
A more practical question is whether anything relevant has changed since the check. With no new task, no additional numbers and no specific discrepancy to investigate, rerunning an entire list merely to obtain a newer date may solve no actual problem.
The same old result can be useful in one situation and insufficient in another
If you are reviewing a previous list-processing task, keep the result associated with that task. It helps explain what information was available then; today’s check should not overwrite that history.
Now suppose the team plans to reuse the customer list for a new messaging task after some time has passed. The earlier result is a reference, not a promise of current availability. If the new decision depends on the number’s current state, checking the portion you intend to use is more appropriate than automatically relying on the whole historical file. These are illustrative situations, not a prescribed checking interval.
Google Messages distinguishes RCS statuses such as Connected, Connecting and Not supported, and its help addresses phone-number verification, device changes and messaging-app changes.[1] This supports the possibility that operating conditions change. It does not establish an expiry period for AppShai results or mean an exported workbook uses those same status labels.
Changes that can justify another check
New numbers have entered the list
New entries have no earlier result, so start with them. Uploading the complete historical file again will not clarify which records are new. Separating additions in your original sheet can substantially narrow the task.
A customer has confirmed a contact or usage change
A changed number, a known device change or feedback that conflicts with an earlier record can justify checking the affected entry. Respond to the known change rather than assuming every customer has changed. A new number must not inherit an old number’s RCS result.
A new task genuinely depends on current information
Schedule the check close to the decision it needs to support. Checking long before a planned task and leaving the file unused does not remove the possibility of later changes. Establish which numbers you will use and what result you need before arranging another run; there is no need to include every historical contact simply to give all rows the same date.
The previous task left a specific discrepancy
A missing row, blank field or formatting problem needs investigation before being labeled an expired result. Compare the input and selected task, then address the affected records. Repeatedly submitting an unchanged file may simply repeat the same issue.
Do not change the question halfway through a recheck
The AppShai RCS Number Checker offers separate validity and system checks. A validity task returns the phone number and registration status; a system task returns the phone number, system and ID. If the first run was a validity check and the next one is a system check, different columns reflect different tasks, not an expired original result.
Before comparing a number across two runs, establish that it is the same complete number and the same type of task. Consult the task-specific explanation for system or ID questions. Do not interpret those fields as a handset-change log, identity change or complete device history.
This also helps allocate the rechecking budget. If registration status is the missing information, choose validity checking. Choose a system task when you have a real use for its output. Neither result, by itself, guarantees business-messaging platform access, message delivery or a reply.
Keep the earlier result and add the new observation
You do not need a complex system: retain the original file and note the check date in your own working sheet. After the new task, compare results by phone number. That date is your record-keeping column, not a promised default export field.
If only part of the list was checked again, date that part rather than labeling the whole old sheet as freshly checked. Do not fill every entry without a new result with “not registered” merely to make the sheet look complete.
Once a recheck is justified, use the RCS service page’s registration and trial options, submit the relevant subset as TXT and download the task’s Excel output. The historical file explains an earlier decision; the new task informs the present one. Keeping both makes the change easier to understand than repeatedly overwriting one workbook.
Reference
- Google Messages: Turn on RCS chats — official context for RCS status, number verification and operating conditions; not a specification for third-party result fields or expiry.
