A personalised configuration guide for Linksys SPA Series with sipgate team is available at the following link:
Linksys SPA50x and SPA30x Phones own keys cannot be reconfigured for use with in our in call functions (e.g. transfer, call pick up, hold, etc). Our call functions will be operable with Linksys devices using your dial-pad.
To test your configuration please see this Help Article:
Testing your VoIP Phone's Configuration
If you run into issues registering your phone online, with placing calls, or with audio quality the following Help Articles offer useful troubleshooting advice: