What are Short Duration Calls?

Here we will explain short duration calls and how they may effect your business.

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Written by Telnyx Sales
Updated over a week ago

What are Short Duration Outbound Calls?

Short Duration Calls (SDCs) are outbound calls that are 6 seconds or less in duration. We allow 15% of your traffic to be SDCs on our platform. If your Short Duration call traffic goes above 15% you'll receive an email and can be penalised for this traffic with additional charges.


Short duration calls are calculate based on:


Count of short duration calls connected / Total count of connected calls (which includes the short duration call count). The time-frame will always be based in UTC from 00:00:00.


โ€‹Example:

  • Start Date = 23rd January 2023 00:00:00

  • End Date = 30th January 2023 00:00:00

  • Short Duration Call Count = 200

  • Total Connected Call Count = 1000

  • 200 / 1000 = 20% of calls considered short duration.

Does this apply to International calls?

Yes, as of the 1st of January 2024, short duration calls to international destinations will also be subject to a fee of $0.01 per call where it is determined that you have more than 15% of your total traffic as short duration.

Does Telnyx support short duration calls?

We do not support use cases that require Short Duration calls through our network.
โ€‹
If you would like to locate the origin of Short Duration Calls within your traffic, you can:

  • Download a detail report for your desired time-frame: https://portal.telnyx.com/#/app/reporting/detail-requests filtering outbound calls only.

  • Sort the generated CSV file based on the call duration column.

  • Remove any rows of calls with a duration of 0 seconds.

  • Calculate how many calls were less than or equal to 6 seconds in duration.

  • Check the column with the sip connection name to see which one shows up often to determine the source of the short duration traffic.

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