However, the phrasing is ambiguous. Could you clarify which of these you mean?

For caller ID name (CNAM) resolution, these services maintain updated number-to-name databases. While not a full list of all numbers, they verify active numbers.

An "outdated" numbers program might include:

بقاء الرقم معك لفترة أطول دون سحبه. واجهة بسيطة وسهلة الاستخدام. 3. تطبيق SafeUM (بديل قوي)