How to configure a Digium SIP Trunking account with Zoiper
Please use the following steps to configure your Zoiper 3.2 client
Go to Setting > Preferences
Click Create an account
Select SIP and click Next
In the Credentials section
User / User@host: your_digium_username including @sip.digiumcloud.net
Password: your_digium_password
Domain / Outbound proxy: (This can be left at defaults)
Click next
In the account name check Skip auto-detection and click next
Click Close
Click the account that you have create select the Advanced tab
Disable Subscribe presence
Disable Publish presence
Enable use rport and rport media
Click Ok