Hi, I'm currently trialling 3cx to replace our old PBX system. I'm located in south-west Florida and we currently have Verizon FIOS internet service and 3 Verizon PSTN phone lines. I want to keep the PSTN lines as a backup and just ordered a Patton as the VOIP gateway for these. In addition to that I'd like to transition to VOIP SIP trunks but as a financial service provider am very concerned about reliability as this is my top criteria since we can't afford phone downtime. I've been looking at a couple different trunk providers like Nextiva, Broadvox, Nexvortex but without testing each of those individually for a couple weeks I really have no idea about their reliability and quality. Does anyone have a recommendation for a SIP trunk provider that offers quality service in my region that will just work and I won't have to worry about dropped calls, outages, etc.? Also, what are my other options for quality VOIP service, e.g. is it worth it looking into T1 lines to a telco provider or what are my other options? Thanks!