Successfully configured SPA9000 PBX with two VoIP providers setting Voice->Line 1/2 parameters. One phone set is connected to FXS 1 (or FXS 2) port and able to chose the proper VoIP provider when making outbound calls.Issue is that once outbound call...

Which family of telephone sets do the UC 540 and UC 560 support?? I am aware of the SPA 300 and SPA 500 and most, if not all, of the 7900 series can be installed on the UC 540 and 560, but I need to confirm that they can be configured through the CCA...