Strengths and limitations of computer assisted telephone interviews (CATI) for nutrition data collection in rural Kenya
https://journals.plos.org/plosone/article?id=10.1371/journal...

Once completed, the paper questionnaires are codified and then entered on computers through an input mask developed withCspro.
https://www.imf.org/-/media/Files/Conferences/2020/8th-stats...

n. If possible, use a masking service on the interviewers’ device to mask phone numbers, such as Exotel

. In this case, continue to use non-cellular tablets to read questions and enter data, while interviewers call on their personal phone using a call masking service.

Additional paradata and other characteristics such as call masking can be used securely through the use of other third-party software companies:


Exotel and similar companies such as Viamo or Twilio can mask the number
that phones dial and receive to allow for increased respondent privacy. They can
also record calls and deliver batch texts. J-
https://www.poverty-action.org/sites/default/files/publicati...

Exotel pozwala zbudować centrum obsługi klienta. Możesz maskować numery telefonów, śledzić nieodebrane połączenia i weryfikować COD.
https://www.vtiger.com/pl/integrations/exotel-integration/