How do I configure SIPPS?
Open tools/main menu-> Preferences for network-> Registrations-> Server type: proxy-> Name: sip.inphonex.com-> Click OK
Communication service-> Registration:
User name: your InPhonex number
Outbound proxy: sip.inphonex.com
Check to enable use authentication
Authentication name: your InPhonex number
Password: SIP password
Real name: your name
Check to enable expert settings
Expires: 300
Click OK to update settings.