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    Low cost SIP trunking and server hosting
    for your business solutions.
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    We provide both dedicated physical and virtual
    PBX servers, scalable to your needs.
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    Quality Voice Over IP connectivity to anywhere
    in the world, at affordable prices.
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    NY Area Code "212" Numbers Now Available
    QuestBlue Systems has an inventory of area code "212" numbers
    available to clients for a promotional rate of $99 NRC.
    Large sequential blocks available at reduced rates.

SIP Trunks

No monthly cost for SIP trunking. All trunks are on a Pay Per Minute basis, starting at $0.009/minute. Call volume brings greater discounts!


We offer DIDs starting at $0.50 each per month, for local and toll free DIDs. International DIDs are also available for $14.95 per month.


Both important parts of getting your system up and running, we offer full support of E911 and CNAM for all of our DIDs.

About Us

QuestBlue is committed to providing the best PBX and VOIP technology and support to serve your needs.
Since 2007, we have supplied our customers with more than just SIP trunks, PBX systems, or telephones. We have been
a business partner, a trusted provider of comprehensive product lines and infrastructure solutions. We have backed
our services with a solid guarantee, fast and friendly services, and incredible sourcing capabilities.

Our mission is to listen to our client's specific needs and deliver high performance products through
continuous product innovation and operational excellence. To this end, we operate out of a fully redundant
data center to ensure you are provided service consistently and reliably.

Dedicated Server Solutions

All of our Asterisk servers are available usually within minutes of ordering.
Availablility is determined by orders and work load, but clients are always up and running soon after they order.

Dedicated Servers - $139.00+/mo

Our physical servers operate with RAID, SAS 15K RPM drives, and are pre-configured with either FreePBX or QuBePBX. Automatic backup every night to our local SAN ensures data safety.

Virtual Servers - $24.95/mo

Our virtual servers are available with FreePBX and QuBePBX. Automatic backup every night to our SAN ensures data safety.

High-Availability Servers

Our high-availability servers come with FreePBX. Please contact us for more information.
(Please note that if you require a FreePBX HA Node you must
purchase a license from Sangoma.)

Powerful, Automated User Portal

Our customer portal is 100% automated, allowing you to perform any administrative task for your account. Add SIP trunks in real time including telephone number porting, DID ordering, and support tickets for our highly trained engineers based out of Research Triangle Park in North Carolina.

Our portal also provides a fully automated API for you to integrate to your applications, website, or portal. You can use all the capabilities our portal offers in order for you to be able to provide more products and services to end-users.

For SIP trunking solutions that grow with you,
you've come to the right place.

Get to know us

No matter your needs, QuestBlue has teams across the world to assist you in
developing your business.

    Global Operations Center

    / Durham, NC

    Headquartered next to RTP, our GOC is staffed with knowledgeable engineers available to assist.

  • Data Center

    / Raleigh, NC

    Our data center ensures that you will always have access to your PBX and our switch. Never miss a call.

  • Switch Team

    / Europe

    We employ a number of talented and experienced network engineers to keep our systems running smoothly at all times.

  • Local Number Portability Team

    / Denver, CO

    Our team of LNP specialists is quick, proficient, and professional - one less thing to worry about when running a business.


DIDs in inventory


Countries available


HA Data Centers


Rate Centers

Quality VOIP Services

With QuestBlue SIP services, individuals and businesses gain the tools to connect themselves to the world.
Between our responsive and capable data center and flexible and powerful user portal, users and IT managers can
set themselves up with a SIP trunk with absolutely no wait.


QuestBlue strives to be the leader in VOIP services.

  • Registration is easy
  • SIP trunk access/provisioning is instantaneous
  • Unlimited channels per trunk
  • Short call duration is accepted
  • We welcome Vici Dial, Go Auto Dial, and many more


Gain access to competitive wholesale rates, with volume discounts.
(All rates listed below are domestic)

  • DIDs (regular or Toll Free): $0.50/month
  • Rate per minute: $0.009
  • TF rate per minute: $0.0144
  • Directory Listing: $0.60/month
  • vFax numbers: $9.95/month


QuestBlue strives to make it simple to use our services.

  • No long-term agreements
  • Pre-pay for minutes, refill automatically
  • All major credit cards accepted
  • 24,812 rate centers worldwide
  • Free customer support

Becoming comfortable with QuestBlue's services in our academy allows you to take your business to the next level.

Latest News

Learn about the latest with QuestBlue and our products.

Latest API release

Keep up to date with the latest information regarding QuestBlue's Customer Portal API by clicking here.

QuBePBX officially releases

QuestBlue is proud to announce the OFFICIAL RELEASE of its entirely free PBX, QuBePBX. Learn more about the truly free solution to your business PBX needs.

  • March 14th, 2018

QuestBlue Systems Inc announces Multi-Tenant Environment

Adding to QuBePBX's already impressive repetoire of features, QuestBlue announces Multi-Tenant functionality.

  • July 01, 2017

Learning QuBePBX

You'll find a selection of our most popular tutorial videos below. A wealth of information
can be found at our QuestBlue Academy