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PBX SIP Trunks

SIP Voice Solutions

For Low Latency, Robust
Enterprise-Grade Telephony.



Setting higher industry standards for voice services.

Our robust, low latency SIP services like; Dialer Termination, Toll Free Service, Premium Dialer Routes, PBX SIP Trunks, 3CX PBX, Local and Toll Free DIDs form the backbone of our powerful communication and collaboration solutions today, nearly all of our customers have one service in common: personalized, responsive customer service.

Voxtelesys provides carrier-grade outbound termination, inbound and toll free origination service on one of today’s most extensive and reliable voice networks.  Many long distance VoIP access providers today base their own services on our cutting edge systems and network.

Our SIP-based voice services include:

Business Grade PBX SIP Trunk Service

Businesses need to find a competitive edge anywhere they can. In many cases, having the highest quality, most reliable PBX SIP Trunk service available provides an easy, quick professional advantage. Top-tier, dependable service – at rates that almost cut your bill in half – is easy with Voxtelesys.

Reliable PBX SIP Trunk service that works with your network

Our redundant, proprietary SIP network ensures your calls get through. Even in a worst-case scenario carrier outage, all your inbound and outbound calls are seamlessly rerouted around trouble spots.

Whether you’re using a Digium, 3CX, Fonality, Grandstream, Renegade, Shortel, or any other brand on-premise or in the cloud, Voxtelesys can deliver SIP service that gives your business an advantage in today’s market while saving you money.

Voxtelesys PBX SIP Trunk Service

SIP Faxing Service: Never miss a business opportunity

Many businesses still rely on fax services to share critical documents. Ensuring that your faxes are being sent and received can mean the difference between a good day and a great day of business. But not all SIP services are created equal and many struggle with the legacy technology and protocol of faxing. The reliable Voxtelesys SIP Faxing service has secured routes, ensuring that your business data reaches the recipient properly.

Customized Service that meets your needs

With many customized add-on services to tailor their business-grade PBX service, Voxtelesys is the SIP provider of choice for call centers, health care providers and IT Integration consultants. Adding services like Vox CNI can help your team meet TCPA regulations. Adding Dynamic Caller ID to your PBX SIP service can help your sales or support team present a local presence in frequently called remote locations. You will find many of our add-on services are priced to help grow your business, not break the bank.

Voxtelesys business PBX SIP service offers:

  • Compatibility with any IP-based PBX
  • Delivery of the highest quality HD Voice available
  • Integrates with many network configurations
  • Access to service layer API integrations
  • Custom SIP application development
  • Unmatched customer service and support

With our PBX service you get:

  • Unbeatable low rates
  • No termed contracts with pay- as- you- go billing
  • Custom routing, data and compliance solutions
  • Cheap Local and Toll Free numbers
  • North American & International Service
  • Experienced telecom team

Advanced SIP service with add-on options:

  • Dynamic Caller ID
  • Vox CNI – cellular number identification
  • E911 Service
  • Caller ID Name Service – CNAM
  • T.38 Fax lines
  • Fax to email

Toll Free Service

Need the perfect vanity number? Have numerous marketing campaigns and require additional inbound toll free numbers? We have the right tools for you.

HD Quality Voice Service

Experience the clear, low latency quality of HD voice. Based on the G711-ULAW/ALAW and G729 codecs, our SIP service delivers the best call quality available today.

Local Number Provisioning

When you need local numbers or want to port your numbers to Vox, you’re covered. Our team is ready to deliver available DIDs for more than 8,500 rate centers.