SIP trunking
SIP trunking for business
5x5 Telecom connects the phone system you already own to our voice service over your internet connection, replacing traditional phone lines while you keep your numbers.
We help port your numbers, with one 24/7 US-based support team.
Free custom quote. No obligation. Or call (866) 5x5-TELE
Why 5x5
Modern phone lines for the system you have
Keep your equipment and your numbers, and move the lines to 5x5.
Your PBX stays in place and connects to 5x5's voice service.
You keep your business numbers, and we help port them.
Calls run over your internet connection instead of old phone lines.
Calls and the network they run on are supported by one team.
Move to 5x5 business VoIP whenever you are ready to retire the PBX.
All tickets are answered within 60 minutes by our 24/7 US-based support team.
What's included
What SIP trunking from 5x5 can include
Select any service to learn more.
Your current phone system, connected to 5x5 voice service.
Keep your business numbers; we help port them.
Calls carried over your internet instead of old phone lines.
Replace aging copper phone lines with modern service.
A connection not shared with other users, for consistent performance.
Low-latency enterprise internet with built-in redundancy and the same SLA as our fiber service.
We set up, update and manage the firewall and router at the edge of your network, so traffic in and out of your office follows your security rules.
We design and manage the wired network inside your office: the switches, cabling and settings that keep every device connected and properly separated.
How it works
How we move your lines
Keep your phone system running while the lines move to 5x5.
Tell us about your phone system
Share your address, the phone system you use today and the numbers you want to keep.
We set up and port
We propose your SIP trunking setup, help port your numbers and confirm the schedule with your quote.
Supported around the clock
Calls run over your internet connection, with 24/7 support from our team in the United States.
FAQ
SIP trunking questions
SIP trunking connects the phone system you already own (PBX) to a voice service over your internet connection, replacing traditional phone lines. With 5x5, you keep your equipment and your numbers.
Yes. You keep your existing business numbers, and we help you port them to 5x5.
SIP trunking is designed to work with the phone system you already own, so you keep your equipment. We confirm your equipment when we prepare your quote.
With SIP trunking, you keep your own phone system and 5x5 provides the lines. With hosted VoIP, 5x5 provides the phone system too, with desk phones, a softphone app and features such as Zoom and Microsoft Teams compatibility. 5x5 offers both.
Yes. We replace aging copper (POTS) phone lines, such as lines for alarm panels, elevators and fax machines, with modern service that keeps those devices working.
Pricing depends on your phone system and how many calls you handle, and is defined in your service agreement. Request a quote and we will put together a plan.
Your calls run over your internet connection. When 5x5 provides both, one team supports the calls and the network they run on, with one number to call.
One provider
Add the rest of your plan
Internet, IT, security and phones from one provider, with one 24/7 US-based support team and one number to call.
Enterprise internet
Dedicated fiber and fixed wireless connections for your office, installed in days, not weeks or months.
Explore enterprise internetManaged services
Networks, Wi-Fi, computers, Microsoft 365 and cloud services, managed by the team that runs your connection.
Explore managed servicesCybersecurity
Managed firewalls, malware protection, DDoS protection and endpoint monitoring, with a free security consultation.
Explore cybersecurityBusiness VoIP
Business phone service on the same network and support team as your internet, compatible with Zoom and Microsoft Teams.
Explore business VoIP
Contact
Get connected today
Get a quote, request a free telecom services audit, or schedule your installation. Our customer service team is here to help.
Contact
Get a quote
Let’s get your business connected
Tell us what you need and we’ll follow up with a custom quote.