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It's an emergency!

In case of emergency, every second counts. That’s why we’ve included Enhanced 911 service with any paid account, which pre-provisions an address for emergency services to respond to, ensuring help is on the way as quickly as possible.

Features List

  • e911
  • Competitive International Rates
  • Inbound Toll Free
  • Fax Service
  • Call Forwarding and Failover
  • Fax to Email
  • Enterprise Support
  • Local Calling in 53 Countries
  • Detailed Call Reports
  • Number Porting Suite
  • Secure SIP

Our Network

With a proven network architecture, we offer secure and reliable backbone communications to our customers.

Our SIP trunks come packed with features to help you take your communication to the next level. You’ll have access to inbound and outbound minutes (with customizable packages available), outbound caller ID, failover routing per number, and more. Plus, each DID includes E911 support and location information, number porting, and direct inward dialing.




over 50 Countries

Our Volli SIP Connect is now operational in over 50 countries worldwide, so you can enjoy local calling and high-quality service globally, making it ideal for companies that operate in multiple countries or for employees that work in different locations around the globe.

Microsoft Teams Direct Routing

Make and receive voice calls
directly in Microsoft Teams

Our SIP trunking services are built with interoperability in mind. We understand the importance of seamless integration with your existing systems and that’s why we have made it a priority. Our services are compatible with popular platforms such as 3CX, LiveVox, Fortivoice and many more.

With our open API architecture, you can easily connect to your preferred system, ensuring that your communication is always running smoothly. Whether you’re looking to connect to a CRM, IVR, or any other system, we have you covered.

Don’t let communication barriers hold your business back, choose our SIP trunking services for the ultimate in compatibility and flexibility.

Innovative Controls

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       Although we use premium carriers that support T.38 (fax) protocol, fax transmissions are susceptible to any jitter, latency, or packet loss that may occur anywhere from the carrier gateway along the internet or even within your network before reaching the fax machine.

      For that reason, we sell a dedicated fax service for traditional fax machines or an email to fax/fax to email service that is very reliable.

         RAY BAUM’s Act emphasizes the importance of sharing precise location information when calling 911, which is invaluable to first responders in locating callers and can drastically increase the potential for better emergency outcomes. Section 506 of the RAY BAUMs Act requires the FCC to consider adopting rules to ensure that a 911 caller’s dispatchable location is conveyed correctly with the call, regardless of the technological platform used.

          “Dispatchable location” is defined as “the street address of the calling party, and additional information such as room number, floor number, or similar information necessary to identify the location of the calling party adequately.

          Learn more

       Kari’s Law applies to multi-line telephone systems (MLTS), often used by office buildings, campuses, and hotels.

       Kari’s Law requires MLTS to allow users to dial 911 directly without requiring that they dial a prefix to reach an outside line. In addition, MLTS must provide a notification to a security office or front desk when a 911 call is made.

       Learn More

       Session Initiation Protocol (SIP) is a signaling protocol for initiating, maintaining, and terminating real-time sessions that include voice and other applications.

       SIP establishes the pathway for the traffic and characteristics of the call, such as protocols, caller ID information, and the like.

Voice over Internet Protocol is used to communicate the actual voice packets over the Internet where SIP initiates, maintains, and terminates the call. In other words, SIP sets the agreed-upon parameters for the VoIP call. SIP is fast, flexible, and extensible, capable of successfully processing hundreds of thousands of calls per second.

We have multiple geographically diverse data centers, each with two complete and separate SIP Server stacks for 100% redundancy within each data center and 100% between data centers. In addition, we have a highly available cloud-based coordinator that ensures all call information stays synced between paired data centers guaranteeing continuity in the event of a catastrophic data center failure. Each customer is assigned two paired data centers to ensure maximum uptime and reliability.


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