What is SIP trunking?

SIP trunking is a method of delivering voice and unified communications services over an IP network. Instead of traditional phone lines, a SIP trunk connects your on-premises PBX to the PSTN through the internet, reducing costs and increasing flexibility.

How does SIP trunking reduce business communication costs?

SIP trunking eliminates physical phone lines and their per-line fees. Businesses typically save 30-60% on monthly telecom expenses by consolidating voice, data, and video over a single IP connection.

Can I keep my existing PBX hardware with SIP trunking?

Yes. BluIP Enhanced SIP Trunking connects to Cisco, Avaya, Mitel, and other major PBX platforms, so you can modernize your voice service without replacing hardware.

What is the difference between SIP trunking and hosted PBX?

SIP trunking connects your existing on-premises PBX to cloud telephony, while hosted PBX replaces the on-site PBX entirely with a cloud-based system. SIP trunking is ideal for enterprises that want to keep current equipment and migrate gradually.

Does BluIP SIP trunking support Microsoft Teams and Webex?

Yes. BluIP is a certified Microsoft Operator Connect partner and offers BluIP Connect with Webex. SIP trunking integrates directly with Microsoft Teams and Cisco Webex for enterprise-grade PSTN calling.

What happens if my internet connection goes down?

BluIP SIP trunking includes built-in 4G/5G failover backup, so calls automatically reroute to a cellular connection if your primary internet link fails.

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