How to check abnormal WhatsApp numbers? Clear out problem data before batch testing

DoWhen WhatsApp was developing overseas customers, many people started screening the numbers as soon as they got them. After running through the process, they discovered a lot of problems: some numbers were in the wrong format, some country codes were missing, some numbers appeared repeatedly, and some of them had not opened WhatsApp at all. The more numbers there are, the easier it is for these problems to be ignored. What WhatsApp abnormal number detection really wants to solve is not just to check whether a number can be used, but to first find out the obviously problematic parts of the entire batch of data, so that subsequent WhatsApp screening and customer follow-up can be based on cleaner data.

If you start from the beginningIf all 100,000 original numbers are handed over to sales, and exceptions are handled slowly later, the efficiency will be very low. A more reasonable sequence is to check the format first, then remove duplicates, then do the WhatsApp activation test, and finally allocate the numbers that can continue to be used to sales.

There is not just one abnormal WhatsApp number

When many people mention abnormal numbers, their first reaction is"Invalid mobile number".

In fact, in actual data, there are far more anomalies than this one.

The first category is format anomalies.

Some numbers do not have country codes, some have spaces, brackets or hyphens, and some numbers from different countries are mixed together without corresponding country fields.

The second category is duplicate numbers.

The same customer may leave their mobile phone number multiple times through different channels such as the official website, advertising forms, event registrations, etc., and finally appear two or three times in the database.

The third category is that the platform status is inconsistent.

There may be no obvious problem with the mobile phone number itself, but it is not activatedWhatsApp, if sales mainly develop customers through WhatsApp, this type of number should not be mixed with WhatsApp users who have already subscribed.

The fourth category is that the historical data is too old.

Some numbers have been stored for several years, and even if they were available in the past, they may no longer be suitable for inclusion in the high-priority customer list.

soIt is best to detect abnormal WhatsApp numbers on a case-by-case basis, rather than marking all problems as "invalid".

Check the number format first

Before batch testing, first clear up the most basic data problems.

For example, American numbers, British numbers, French numbers, and Thai numbers are all placed in the same file, and they can be sorted according to country codes first.

If there is a country field, check whether the country and international area codes correspond.

If you only have a mobile phone number, first confirm whether the number format is complete.

Data that is obviously mixed with text, email addresses or redundant symbols should also be processed separately in advance.

If the number format itself is not uniform, do it laterWhen detecting WhatsApp numbers, the results will be more difficult to sort out.

Especially when the data comes from multiple systems, the same number may be written in different ways. Unifying the format first and then taking the next step can reduce many unnecessary problems.

For the second time, you need to clear out the duplicate numbers first.

One of the most common problems in WhatsApp data is the repeated appearance of the same person.

For example, if a customer passes theI filled in my mobile phone number in the Facebook ad, and later went to an independent site for consultation, and even participated in an event half a year later.

If the three channels save data separately, this person may appear three times.

If you don’t remove the weight, the backWhatsApp batch testing will be processed repeatedly, and sales may be contacted three times.

Therefore, it is best to remove duplicates before screening numbers.

But deduplication is not about just deleting the same numbers when you see them.

If one record has an advertising source, another has a product inquiry, and a third already has a sales note, it’s best to merge this useful information into the same customer profile.

Ultimately leaving a number behind but keeping the full provenance and history.

After doing this, although the data will be reduced, the actual value will be higher.

Do it the third timeWhatsApp activation detection

After the number format and repeated data are processed, enterWhatsApp enables filtering.

At this time, the purpose of the detection is very clear: to distinguish which ones have been activated from the existing numbers.WhatsApp, which ones do not currently have corresponding platform status.

Digital Planet can be used in this link.

Overseas numbers accumulated by enterprises through normal business channels such as official website inquiries, advertising forms, historical orders, event registrations, etc. can first complete the formatting and deduplication, and then batch filter through Digital PlanetWhatsApp activation status and continue to be classified by country or data batch.

For example, the original data has80,000.

Remaining after sorting out the format76,000;

The number remains after deduplication62,000;

Do it againWhatsApp screened and obtained 40,000 activated numbers.

The real priority of sales in the end is no longer the first one80,000, but the part that is more suitable for WhatsApp communication after sorting.

Should all detected abnormal numbers be deleted?

One size fits all is not recommended.

Different abnormal data are handled in different ways.

If only the country code is missing, you can correct the format and recheck it later.

If there are duplicate numbers, the information can be merged without deleting them all.

If it is not activated yetWhatsApp does not mean that this piece of customer data has no value. Users may be more accustomed to email, Telegram, LINE or other channels.

If the source of the number is clear and the customer has actively inquired about the product, it can be kept in the original customer database, but will not be included.WhatsApp sales list.

What should really be stopped directly is data that is not suitable for continued marketing, such as unclear sources, obvious errors, and users’ explicit refusal to continue contact.

Therefore, abnormal number detection is not simply to delete the numbers, but to determine where each type of data should go.

Why historical numbers are more prone to anomalies

The older a customer base is, the more problems it usually has with its numbers.

Numbers left a few years ago may have been changed;

Different departments save in different formats;

The same customer appears repeatedly;

After the salesperson resigned, the historical records were not sorted out;

Some customers have clearly no need, but still remain on the new customer list.

If these old data and new clues keep getting mixed up,WhatsApp batch filtering results will become increasingly confusing.

So historical numbers are best kept separate from new data.

New customers who have recently been added will be given priority.

Those who have had business interactions within a few months to a year will be placed on the continuous follow-up list.

If there is no record for a long time, you can enter the historical database separately.

This eliminates the need to delete all old numbers and keep them occupying sales time.

After clearing the abnormal WhatsApp numbers, the data is less and normal.

Assume that there is initiallyOf the 100,000 numbers, only 50,000 actually entered the WhatsApp sales list.

Many people will feel that half of their data is lost.

In fact, it depends on what is being cleared.

if there isThere are 20,000 duplicate numbers, 10,000 with abnormal formats, 10,000 without WhatsApp accounts, and some with no business records for a long time. So the original 100,000 do not represent 100,000 WhatsApp customers that can be directly developed.

What remains after cleaning50,000 items, which is closer to the actual usable data scale.

The smaller amount of data does not mean that there are fewer customers.

Just took out the false amounts.

After the anomaly detection is completed, the customer source must be added

After sorting out the WhatsApp number status, it is best not to leave only two columns: mobile phone number and whether it is activated.

What sales really need also includes the source of customers.

Can be retained:

nation

Phone number

WhatsApp status

Customer source

Follow products

most recent interaction

Current follow-up status

For example:

American customers

WhatsApp has been activated

Source: official website inquiry

focus onA product

Submitted 2 days ago

Not contacted

Another one:

French customers

WhatsApp has been activated

Source: Historical Events

No interaction for half a year

low priority

Both numbers can passWhatsApp communication, but sales priorities are clearly different.

Therefore, abnormal number detection solves the problem of basic data. The real customer sorting still needs to look at the business information.

A more trouble-free processing sequence

if done oftenWhatsApp overseas number screening can use a fixed process:

First unify the international number format;

Check the country code again;

handling obviously erroneous data;

Remove duplicate numbers;

Filter by Digital PlanetWhatsApp activation status;

Separate abnormal data from normal data;

Retain original customer sources and product information;

Finally, it is handed over to sales according to the latest consultation and customer needs.

In this way, every batch of new data that comes in will be processed according to the same set of rules, and the customer database will become clearer and clearer, instead of accumulating and becoming more confusing.

What WhatsApp abnormal number detection really needs to do is not to simply find a few problematic numbers, but to first deal with the format, duplication and platform status issues in the entire batch of data.Clear out the problem data first, and then let in the numbers that are truly suitable for further processing.WhatsApp customer development and sales don’t have to waste time on ineffective attempts every day.

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