To install and configure ZoiPer on your iOS device as an endpoint, follow the instructions:
1) Download current build in Appstore, or go here:
2) Install App
Go to dashboard to get your extensions endpoint information.
Account name: Anything
Domain: server information on your account
User name: endpoint for your extension
Password: password for endpoint
For more information on endpoints, go here.
Set Account Audio codecs as follows.