Over the years, we've encountered instances where call quality may seem to have swayed, while all our systems and the Operator network have been functioning with the utmost efficiency.

Besides that, the issues seem to get resolved by itself after a certain duration and yet, without any intervention from our end.

In light of this, we conducted a study to find out what agents and customers might do to preserve call quality on their end and discovered that the following factors may affect call quality:

Voice calls prefer 2G over 3G or 4G

This can be achieved by switching the mobile data off on your handset, before a call

More than half of the members who participated in the survey confirmed this outcome after testing this for over a week's time.

Generally, you can say, for GSM -
-105 to -100 = Bad/drop call
-99 to -90 = Getting bad/signal may break up
-89 to -80 = OK/shouldn't have problems, but maybe
-79 to -65 = Good
Over -65 = Excellent

Failed calls also might occur in bad network areas.

You may find more relevant information here.

Sending or receiving SMS in the middle of a call

Even though needing to receive an SMS is an uncontrollable circumstance, it should be taken into account if you have poor call quality or a disparity between calls.

Since mobile data and SMSs use part of the bandwidth/spectrum that gets allocated for a call, controlling their usage can indeed be of great help with improving the call quality and also the overall experience of a call.

Contact us: 

If you have any questions or concerns, please connect with us using the chat widget on your Exotel Dashboard or Whatsapp us on 08088919888