Our SIP trunk is built to scale, can enhance an existing PBX infrastructure, include custom routing, and provide you with a completely customizable networking solution that adapts to your needs and is more reliable than traditional PRI’s.
More reliable than a traditional PRI
Unlimited US and Canadian calling
Global phone number coverage
Certified with popular (major) PBXs
SIP trunking modernizes your communications by letting your company’s PBX send and receive calls using an IP network. Improve the quality of your communications network by adopting a service that’s designed to be more reliable than PRI’s.
Create a communications network that’s consistent with your company’s needs using our flexible SIP trunking service. Instantly adapt to higher demand whenever necessary while reducing upfront costs. Drive more value out of your existing PBX investment. Our SIP trunking solution is compatible with certified PBX vendors, including Avaya, Mitel, Cisco, ShoreTel, Panasonic, and many more.
Drive more value out of your existing PBX system with industry-leading SIP trunking services that’s compatible with leading PBX providers like Cisco, Avaya, and more.
Prepare for emergencies and stay compliant with 911 and Enhanced 911 (E911) calling capabilities. Emergency calls are associated with the caller’s address by phone number.
Eliminate unnecessary expenses every month by keeping your costs aligned with your capacity. Keep your costs predictable with our transparent per session pricing.
Grow from 5 to 1k trunks in seconds. Get the voice and data infrastructure you need—when you need it. We make it easy for you to increase call capacity on demand.
Rely on dynamic failover and on-site redundancy. Our SIP trunks deliver calls to multiple IPs or IP providers to prevent outages and keep your communications flowing at all times.
Take control of your communications with ongoing, US-based support from our team of SIP trunking specialists. Our help desk is available 24/7, 365 days a year.
G12 Communications is a cloud communication service provider that helps businesses drive more value out of their communications solutions. Our customer-first approach, feature-rich solutions, and ultra-reliable network keep your employees and customers connected, productive, and collaborative.
Access 24/7, US-based customer support
99.999% uptime for our networks
Decades of experience in B2B communications
Are you interested in G12 Communications SIP Trunking solution? We put together this list of frequently asked questions to help you learn more about this service.
Still have more questions? Download our FAQ to learn more.
SIP Trunking provides virtual phone lines that allow users to make and receive calls over their public IP connection.
Yes. SIP Trunks are a replacement for traditional phone lines or PRIs.
There are several advantages to using SIP Trunks over traditional phone lines or PRIs. These advantages include:
You will need a SIP Interface on your phone system if you want a connected native SIP.
We can provide SIP Trunks with a PRI interface so you don’t have to change out your interface cards on your phone system. We provide an extra device on-premise that allows you to plug the SIP Trunks into your PRI port.
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