Voice over Internet Protocol.

(VoIP) is a technology that allows users to make voice and video calls over the internet, rather than using traditional phone lines. Session Initiation Protocol (SIP) is the most common protocol used to establish and manage VoIP calls. And Primary Rate Interface (PRI) is a type of Integrated Services Digital Network (ISDN) line that provides multiple channels for voice and data transmission.

Combining these three technologies, VoIP SIP PRI allows businesses to enjoy the benefits of VoIP while maintaining the reliability and quality of a traditional phone system. With VoIP SIP PRI, businesses can have access to multiple phone lines, which is essential for businesses with high call volumes. Additionally, VoIP SIP PRI offers improved call quality, more flexibility, and cost savings over traditional phone systems.

One of the biggest advantages of VoIP SIP PRI is that it allows businesses to use their existing phone systems and infrastructure. This means that businesses do not have to invest in new equipment or infrastructure to switch to VoIP. Instead, they can use their existing phone systems and equipment, and simply connect them to a VoIP SIP PRI service provider.


Another advantage of VoIP SIP PRI is its flexibility. Businesses can easily scale up or down the number of phone lines they need, and they can also add new features and functionality as their business grows. For example, businesses can easily add video conferencing, call forwarding, and other features to their VoIP SIP PRI system as needed.

Finally, VoIP SIP PRI offers significant cost savings over traditional phone systems. With VoIP SIP PRI, businesses can eliminate long-distance and international call charges, and they can also reduce their monthly phone bills by up to 50%. Additionally, VoIP SIP PRI services are often more reliable and offer better call quality than traditional phone systems.

In conclusion, VoIP SIP PRI is a powerful and flexible technology that offers businesses a range of benefits, including improved call quality, increased flexibility, and significant cost savings. If you are looking to upgrade your business phone system, consider VoIP SIP PRI as a viable option.


VoipPlus’s SIP PRI starts at $368 per month and can be provision within 24 hours. For more information on SIP PRI call us at 1 855 804 7494.