Global SIP Trunking Provider

Global SIP Trunking Provider

The cloud-ready SIP trunking with integrated data that scales on your traffic needs

100% Automated Platform Built to Align With Your Needs

High-quality calling across North America – and capacity is never an issue! High Volume SIP Trunks are built specifically for customers needing high call-per-second and high channel capacity allows you to take advantage of the cloud-based solutions!

Pay As You Go

QuestBlue offers pay-as-you-go pricing, saving you from paying for minutes you don’t use

Scale On-Demand

As your business scales, QuestBlue is equipped to handle & support your unique needs

Accelerated Porting

Port your numbers in less than 5 minutes with no disruption to your business

Maintain compliance with seamless 911 integrations

Leverage our advanced E911 capabilities as you update your systems and infrastructure to ensure your enterprise maintains compliance with 911 regulations.

Cloud-ready, Global SIP trunking software

Bring an enterprise-grade SIP trunking provider to your organization with the reliable, software-driven voice calling you need.


Frequently Asked Questions

SIP Trunking, put simply, is a means of operating phone systems over the internet, instead of using a traditional phone line. Learn more about how SIP trunking can transform your business communications on our Resource Center.
No, by default we do not have channel limits. There is however a hard limit of 9,999 active channels per trunk and that is configurable for high volume call centers.
SIP trunking is cheaper than traditional business phone systems. We offer pay-as-you-go pricing with automatic volume discounts as you scale. Find out more with an in-depth breakdown of our pricing, or talk to an expert to get a custom quote.
QuestBlue does not use a proprietary approach. Our SIP Trunking solution is 100% compatible with all SIP Compliant Devices that follow SIP Standards.
No, we do not offer a per channel SIP Trunk. All of our SIP Trunks are pay per use allowing the most flexible method of deploying SIP Trunking services with the most channel availability to keep your business moving forward.
Yes and No, sometimes these two terms are used interchangeably, they are not the same. VoIP stands for Voice over Internet Protocol. SIP is simply the protocol that enables VoIP.
Yes, you can and should use your own device. We are completely compatible with all SIP Compliant Devices. We do offer a hosted product for those who would rather not maintain the infrastructure required and additional security needed for SIP Trunking.
Yes, we will pass your provided Caller ID for calls that terminate with our SIP Trunks. You must own the number being used, we do not allow fake ANI’s or invalid ANI’s (Caller ID’s).

Yes, QuestBlue works with NGO’s, major universities, government installations, and fortune 500 companies. Enterprise installations are available on every SIP Trunk. Custom enterprise configurations are available but not necessary as all our SIP Trunks from a single phone call up to tens of thousands of simultaneous calls are supported on every SIP Trunk created.


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