# Set Min Call Duration

Introduction

It is a common requirement to set a minimum duration in the outbound vendor trunk.  In Class 4, you can manipulate the Min Call Duration within each Vendor Trunk setting:

![](https://2160858555-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MYRPW5mw1EmjxhpuA4p%2F-MYX34VHC8TjCR0VfdnL%2F-MYX3vQCoP6kkHLS94if%2Fimage.png?alt=media\&token=c0d333b1-3991-4bd7-b71d-79de00dbcfc6)

At the bottom of the Egress Trunk page, you can expand on the "Timeout Setting" section and configure these values.