Bring Your Own Carrier (BYOC) is increasingly embraced by businesses to gain flexibility and control over their telephony services by choosing their own telecom providers for voice, messaging, and emergency services instead of relying on built-in plans within Unified Communications as a Service (UCaaS) or Contact Center as a Service (CCaaS) platforms. Companies like Pennymac, DocuSign, and ibex have successfully adopted BYOC, leading to significant cost savings and improved operational efficiency. BYOC allows enterprises to maintain existing carrier configurations, avoid inflated fees, and streamline global communication needs by connecting SIP services to cloud platforms offered by major vendors like Microsoft Teams, Webex, and Zoom. This approach also enables faster problem resolution with direct carrier support, as seen with DocuSign's rapid integration with Bandwidth and ibex's enhanced support response times. As more than half of enterprises adopted BYOC in 2025, its benefits include better cost management, ease of global expansion, and improved customer and agent experiences by bypassing the limitations of bundled communication platforms.