Tried to find call duration setting at phone numbers but it doesnt seem to appear. See SS's https://cdn.discordapp.com/attachments/1423050894131462236/1423050894345506919/image.png?ex=68dee6ec&is=68dd956c&hm=12972a1688caae21d5f55de98fd3e6eb48645fe36b6377d779ac62281c9e17f1& https://cdn.discordapp.com/attachments/1423050894131462236/1423050894873985067/2.png?ex=68dee6ec&is=68dd956c&hm=585db68b9d5d6bafe8b597eb476a376b400b3061db8c5f97fefa0f75931084e8&

If the "maximum call duration" setting is not visible in your dashboard, you can set it programmatically using the API. Here’s an example of how to update a phone number’s maximum call duration to 20 minutes (1200 seconds) using a PATCH request:

bash
curl -X PATCH https://api.vapi.ai/phone-numbers/{phoneNumberId} \
  -H "Authorization: Bearer <your_token>" \
  -H "Content-Type: application/json" \
  -d '{"maxDurationSeconds": 1200}'

Replace

{phoneNumberId}

and

<your_token>

with your actual values. This will enforce the call duration limit even if the UI option is missing. For more details, see the [Vapi API documentation](https://docs.vapi.ai/api-reference/phone-numbers/update). Source: - [PATCHUpdate Phone Number](https://docs.vapi.ai/api-reference/phone-numbers/update)

which is the phone number id?

@Vapi I tried this patch and I get the following error: https://cdn.discordapp.com/attachments/1423050894131462236/1423569602851377162/image.png?ex=68e0ca01&is=68df7881&hm=ad51a86577d564ba1937d3de508c0795d5e4552d06c6343bbf2206829a84ca1c&

Hi, currently workflows is under development.

Thanks for your reply. Can we get a 20 min limit instead of the 10m limit on ALL workflows on our account? We want to start using our workflow and 10m is too short

You can't use workflows as it not fixed yet.

It is implemented in Workflows as of the 8th Oct 2025 (see image) https://cdn.discordapp.com/attachments/1423050894131462236/1426188230927323249/c2660bbfb0fa84649a802251a3300305.png?ex=68ea50cb&is=68e8ff4b&hm=39953965b5db3e944b01b0d240c3512257d7a01b21f72e18a36fcc95c0273d31&