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1947 Evans Road Cary, NC 27513 +1 (919) 443-1617
Full support for LNP, SMS, e911, CNAM, LIDB, API and more.
Extensive DID Inventory
Your source for instant telephone number activation
Providing DIDs is not something new, however, our approach is.  We provide instant access to 92% of the world's rate centers all from a single user portal.

Our DIDs are LNP approved, SMS, e911, CNAM, and LIDB ready in our customer user portal with 100% API support for the active developer.  
We provide you with choice, automation and control over your telephone numbers.  Instant number routing to your specified SIP Trunk without the need to contact support.  You control the routing, the inventory, and what to do with it.  All features are available from one easy to use DID Dashboard.
  • Scalable - no channel limits Start small, grow with your needs.

  • Streamlined - end-to-end connectivity with Asterisk and Asterisk-based GUIs

  • Universal - works with virtually any IP PBX

  • Number Porting - easy to use SIP Trunking LNP submission process

  • DIDs - affordable DIDs and Toll-Free numbers starting at $0.50/month *lower rate available with volume

  • Codec Support - G.711, u/a and Codec Pass Through

  • E911 - offering enhanced 911 for your USA DIDs

  • Fax - Virtual Fax Accounts are available in every user portal account

  • Migration - easily connect a legacy system with an IP gateway

  • Secure your Asterisk PBX to avoid fraud charges

  • Setting up your SIP Trunk

  • Configuring Inbound and Outbound Routes

  • Configuring Dial Patterns

  • Telephone support

  • Unlimited support tickets

  • Consultation on projects

  • Unlimited porting of your DIDs at no additional cost - QuestBlue Systems will port your entire DID database for free, if they are all on the same BTN and account (restrictions apply).

Our team is your team when it comes to LNP.

Our mission was to remove the stress from your porting requirements no matter if it is a single DID or over 10,000 in a single port. You have come to the right place to begin porting into the most robust, easy-to-use LNP system in the VoIP industry. Wouldn't it be great to be able to pick your port date? QuestBlue can provide that. Easily see the back-end status of your port. 

If you have questions you can call, +1 919 443 1617 in the US or +44 20 3808 1020 in the UK for US or International Ports