# Using Zoiper to resolve NAT issue

Zoiper is a good SIP client with support for NAT.  You can setup like this:

![](https://4102392624-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MXPCJcszvw7MAuHjiRr%2Fuploads%2FDHe5i3OVakv6JZcEA3Di%2Fimage.png?alt=media\&token=6c0245a2-809e-4852-8ba8-a53141873b0b)