# 3CX > 3CX is an international developer of business communications software, best known for its software-based private branch exchange (PBX) system. The company provides a unified communications platform that integrates voice, video conferencing, and live chat into a single solution based on SIP standards. - URL: https://optimly.ai/brand/3cx - Slug: 3cx - BAI Score: 76/100 - Archetype: Challenger - Category: Telecommunications - Last Analyzed: April 10, 2026 ## Competitors - 8x8, Inc. (https://optimly.ai/brand/8x8) - Asterisksangoma (https://optimly.ai/brand/asterisksangoma) ## Also Referenced By - Asterisk Freepbx (https://optimly.ai/brand/asterisk-freepbx) ## Buyer Intent Signals Problems: Traditional PSTN/Landlines: Using traditional landlines or basic digital phone services without unified communications features. | Manual Tool Fragmentation: Using separate disconnected tools for email, chat, and phone calls without integration. | Managed Telecom Agency: Hiring a managed service provider to handle all telecommunications through a proprietary PBX. Solutions: best software based PBX for windows | open standard SIP phone system | unified communications for small business | self-hosted VoIP server software Comparisons: best alternative to Zoom phone