Discover the advantages of 3CX software VoIP PBX. SOTA is a proud partner with 3CX Phone Systems, an award-winning software-based IP PBX that replaces traditional proprietary hardware PBX. Supports most popular SIP phones, VoIP Gateways, VoIP service providers and PSTN phone lines. Easy to manage by system administrators as it integrates well with Windows Network … Continue reading 3CX Phone Systems