# Cox Business Voice Trunking ## Enjoy clear, dependable calls with Cox Business Voice Trunking Build upon existing PBX systems with IP-based voice that scales easily and reduces costs. [Get custom quote](https://www.cox.com/business/contact-us/contact-enterprise-sales.html) SIP Trunking Benefits ## Why Evolving Businesses Choose SIP Trunking Replace your legacy phone lines with internet-based voice and enjoy a range of benefits that can help your business grow. - **Reduce costs** - Eliminate unused lines with simple systems integration to pay only for what you use. - **Call redundancy** - Redundancy for call forwarding and downtime protection in event of an outage. - **Update current systems** - Integrates with many popular [PBX systems](https://www.cox.com/business/support/cox-business-sip-trunking-certified-pbx-systems.html) including Avaya, Cisco, Microsoft, Mitel, Asterisk and Grandstream. - **Scale in real-time** - Increase local call capacity during high demand for improved bandwidth. - **Connects multiple sites** - Centralize and connect multiple locations while sharing long-distance minutes between locations. - **Bolster business continuity** - Stable lines and dedicated uptime to keep communications flowing. Advanced features ## Do More with Advanced SIP Trunking - **Voice utilization reporting** - Get detailed overviews of call traffic to help measure and track calls. - **Robocall relief** - Automatically block high-risk inbound calls with Robocall Protect. - **Call recording with Dubber** - Record, store and take action from your calls with Dubber integration. PRI Trunking ## Get Reliable Service with PRI Trunking With advanced digital features and superior connectivity, PRI Trunking is the ideal solution for your business. - **Personal Mobility** - Communicate with your customers from any location with all of your office phone and messaging features at your fingertips. - **Trunk continuity** - Maintain mission-critical communication services in the event of a PBX service disruption. - **Emergency locator** - Direct emergency responders to exact location where a 911 call originated and ensure safety. Migration and support ## We Make Switching Simple - Professional installation - 24/7 support - Custom configuration guides - Online feature management - Support number portability for most markets --- **Support your growing business and get started** Schedule a call with our team to explore how SIP Trunking can transform your communications. [Schedule a consultation](https://www.cox.com/business/contact-us/contact-enterprise-sales.html) ## Looking for More? - **[Microsoft 365](https://www.cox.com/business/collaboration/microsoft-365.html)** - A cloud voice solution easy to integrate into your Microsoft 365 apps. - **[IP Centrex](https://www.cox.com/business/phone/ip-centrex.html)** - Hosted VoIP phone system with advanced calling features you can manage through a web-based portal. - **[Connect with RingCentral](https://www.cox.com/business/collaboration/ringcentral/enterprise.html)** - Unified communications designed to simplify call, email, message and video collaboration. ## Voice Trunking FAQs ### What is SIP Trunking? SIP Trunking connects VoIP to your PBX for scalable, enterprise-grade voice with advanced features and cost-reduction elements. ### How much are Cox Business SIP Trunking plans? SIP Trunking plans from Cox Business vary in cost. Contact one of our advisors for a tailored plan. ### What is PRI Trunking? PRI Trunking connects your PBX to the public phone network with up to 23 voice channels to help improve reliability and security for businesses that need consistent call quality. ### What is the difference between SIP Trunking and VoIP? VoIP enables internet-based calls while SIP trunking connects VoIP to your PBX for scalable, enterprise-grade voice with advanced features and cost-reduction elements. ### Are Cox Business SIP Trunking plans available in my area? Cox Business SIP Trunking is available in many areas. Contact an advisor to check serviceability and get a custom quote for your location.