Leverage the power of cloud-based IP phone features, while extending the value of your existing telephony investments. Connect your IP-enabled PBX to the public telephone system using your existing broadband connection.
Purchase only the SIP trunks you need based on the maximum number of concurrent calls your business requires. Call Bursting Capacity adds call sessions for peak call times, above your purchased amount.
Voice traffic travels on a private cloud network and is prioritized over data packets. Calls are completed even if there is an outage on your network.
Businesses report saving up to 50% over traditional analog landlines. Lower long-distance rates and enjoy free in-network dialing between offices. Calling plans tailored for your business size, call volume, and long-distance usage.
Fusion Connect IP-based voice solutions connect to any endpoint so you can modernize your phone system according to your needs and budget. Connect your existing equipment and legacy technology (such as a Key system or on-premises PBX) to Fusion SIP for an affordable solutions and seamless upgrade path.
Combine SIP for PBX at your main office with Unified Communications and hosted voice for remote employees and branch offices. Save on long-distance fees! There’s no charge for interoffice calls.
If your call sessions temporarily spike above your subscribed capacity, we’ve got you covered. Get through a special promotional event, an unexpected support issue, natural disaster, or other source of unforeseen call volume increase, and get back to business.
With our consultative approach, we match the nature of your business and usage demands with telephony solutions and bandwidth that fit. You won’t pay for lines, services, or bandwidth you do not need.
Your business phone system must function, even if your PBX is down or your office has a power outage. Keep your phone system up and running with optional SIP features that are hosted and managed in the cloud, including Auto Attendant, Voicemail, and Call Forwarding.
To help prevent fraud, Fusion SIP protects call initiation by requiring both your SIP credentials and a specific IP address that you assign. Having your company registration locked down to a specific IP address disallows registration from other locations. DNC & TCPA compliance readiness for customer communications.
SIP trunking is a VoIP technology based on the Session Initiation Protocol (SIP) by which telephony providers - like us - deliver telephone and unified communications services to customers - like you - equipped with SIP-based private branch exchange (IP-PBX) and unified communications. Think of it as a modern digital "phone line" but with more flexibility.
All SIP Trunks include support for unlimited DIDs. Each SIP Trunk order includes a Business Telephone Number (BTN) for E911 service location, outbound caller name set up, and local directory listing set up.
Ideal for small and medium-sized businesses preferring a predictable monthly bill.
Priced at a per concurrent call session, our plan includes:
Perfect for companies with minimal long distance needs; or, prefer to manage long distance costs with per-minute options.
Priced per concurrent call session/line, our plan includes:
Excellent for businesses with large call volumes and non-standard calling habits, such as call centers.
A lower price per concurrent call path, our plan provides for the following:
PRI stands for Primary Rate Interface. A PRI Line (usually a T1 in the US) has 23 voice channels and one data/control channel. The line physically connects a business, via its PBX, to the Public Switch Telephone Network (PSTN). The 23 voice channels enable the business to hold 23 calls simultaneously. The channels can be used flexibly and reassigned as needed to meet special demands – like video conferences. Add more simultaneous call capacity by adding PRI lines.
SIP trunking service connects your PBX system or unified communications platform to the public switched telephone network (PSTN) over an internet connection. Instead of using traditional phone lines, it sends voice calls, video conferencing, messaging and SMS over a single IP connection. It offers cost-effective outbound calling and inbound toll-free numbers while maintaining real-time call quality and uptime.
This service provider model supports elastic SIP trunking with redundancy, scaling to meet changing call volume. Provisioning is often self-service via API or portal and it enables features like call routing, call recording and CRM integration. It’s ideal for small businesses through large contact centers seeking a modern telecom solution, including support for Microsoft Teams or Nextiva integrations.
Read more about the advantages of SIP Trunking.
Yes, you can transfer your SIP trunking service to another SIP provider. This process, often called porting, involves moving your existing phone numbers and SIP configurations from your current service provider to the new one without changing your phone service setup or equipment.
Before transferring, confirm compatibility between your current PBX system and the new provider. Review any contractual obligations and ask about service migration support, uptime expectations and SIP trunking pricing. A provider experienced with business communications can help maintain high-quality phone calls and consistent connectivity throughout the transition.
Learn why enterprise SIP Trunking adoption is growing.
SIP stands for Session Initiation Protocol. It’s a signaling protocol used to start, manage and end real-time communications, including voice calls, video and messaging over IP networks. SIP is the foundation of many VoIP and SIP service platforms that businesses use for unified communications.
SIP enables features like unlimited calling, call forwarding and integration with customer support systems. It supports scalable systems that can grow with business needs while helping streamline communication through a single internet-based service.
A SIP trunk can handle multiple calls at once, depending on the number of channels assigned. Each channel supports one incoming or outgoing call and businesses can scale the number of channels based on call volume.
SIP service plans are often designed to be scalable, allowing for more channels as needed. Some providers offer unlimited calling or burstable channels to handle peak usage. This flexibility helps streamline operations and maintain consistent customer support without requiring separate physical lines.
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