business voip

KEEP YOUR PBX,
SWITCH TO SIP,
AND SAVE. IT'S SIMPLE!

Sales: (800) 799-0600

How much can PBX SIP
Trunking save your business?

Award Winning Service

Nextiva SIP Trunking saves you a bundle.

Nextiva PBX SIP Trunking - Plan Features

PBX Integration

Save the investment you’ve already made in your PBX equipment and simply add SIP trunks to take advantage of cloud-based communications

SIP Compatible PBX Support

Connects easily with 3CX, ALLWORX, ASTERISK, AllTel, Elastix, FREEPBX, Nortel, SwitchVox, TrixBox and others

High Quality Codec

Nextiva supports the G711U codec to deliver the highest call quality over your SIP trunking service


Flat Monthly Rate

Consistently budget your communication costs each month, no surprises, hidden fees or contracts required

Easy Setup

Your dedicated account management team will see you through integration with your PBX and address any questions during the transition and beyond

Unlimited Calling

Call anywhere, anytime throughout the United States and Canada for one low rate each month


HD Voice Quality

Unlike analog calls, when you add HD phones to your SIP trunking phone service, you upgrade to HD quality; it’s like you’re in the same room as the caller

Amazing Service

From day one of your experience with Nextiva, we go above and beyond to meet your communication and customer service needs

Scales with Your Business

As your business needs change, you can add trunks as you need them, no minimum purchase required. Just call us


Easy and powerful to drive huge results, fast.
Complete automatic software you'll never outgrow.

Upgrading your office technology without the risks,

Nextiva SIP Trunking transitions your business to the cloud.

Save Money while Growing your Business

Significantly decrease your company’s communications costs by adding SIP trunks to your existing PBX equipment with instant deployment in the cloud.

  • Instantly convert traditional phone system to IP-based communications
  • Enjoy all-inclusive pricing that eliminates per-minute and per-trunk charges
  • Keep your existing PBX equipment and incur no capital costs

Scale Your Communications as You Grow

As the size of your company and call volume changes, adjust SIP trunks as needed to support local, toll-free, long distance and international calls.

  • No limitations for the number of trunks or lines you can add
  • Gain feature-rich HD quality phone service with messaging and video
  • Easily port your number and information from your previous provider

Maintain Business Continuity

You’ll never miss a call again with Nextiva’s SIP trunking service, even in the case of natural disasters or other unforeseen issues.

  • Route your calls to alternate numbers, regardless of their system
  • Utilize automatic call rerouting, load sharing and failover procedures
  • Instantly burst your service response in the event of high call volume

Manage Your Communications from Anywhere

Access your online communications control panel to instantly
monitor the pulse of your business throughout the workday.

  • Manage your control panel on any Internet browser or mobile device
  • Identify bottlenecks, availability issues, and employee productivity
  • Manage all of your incoming and outgoing calls with one simple click

Amazing Service™ is Available for you Anytime

Here at Nextiva, we go above and beyond your service expectations.
We are more than just your phone provider – we’re here to help you succeed.

  • 100% U.S.-based team is here to help every step of the way
  • Call (800.285.7995), email (support@nextiva.com), or chat online
  • Find setup instructions and FAQs at our Support Center

Nextiva offers HD-quality, plug-and-play devices.

Polycom IP 331

The innovative Polycom IP 331 is a high-quality two-line phone with two Ethernet ports, speed dialing, and a distinctive ring. The dual speakerphone and handset offer an easy-to-use setup at an affordable price.

Polycom IP 335

The Polycom 335 is a two-line phone that offers a wide variety of features including HD voice, speed dialing, two Ethernet ports and power over Ethernet at an affordable price. The Polycom 335 has a modern backlit LCD display and a convenient speakerphone and handset combination.


Polycom IP 550

The Polycom IP 550 is a high-quality four-line phone that offers HD voice, speed dialing, two Ethernet ports and power over Ethernet. It is an easy-to-use phone with a modern backlit LCD display, a convenient speakerphone and handset combination, and speed dialing.

Polycom VVX 300

The powerful Polycom VVX 300 is an entry-level business media phone that is ideal for busy offices that need crystal clear communication. This six-line phone offers Microsoft integration, handset and headset compatibility, Busy Lamp Field and Shared Call Appearance capabilities, distinctive incoming call treatment and more.


Polycom VVX 400

The expandable Polycom VVX 400 is a colorful business media phone that is ideal for offices with moderate call volume that need advanced UC telephony features. The 12-line phone offers Microsoft integration, HD voice quality, Busy Lamp Field and Shared Call Appearance capabilities, distinctive incoming call treatment and more.

Polycom VVX 500

The Polycom VVX 500 is a high-performance 12-line business media phone with superior voice capabilities. Designed for a broad range of office sizes, the VVX 500 seamlessly integrates with Nextiva's features for improved productivity and a wide range of applications. The device features a touch screen interface, calendar integration, expandable accessories for video and wireless, and unified communications software to connect with PCs.


Polycom VVX 600

The premium Polycom VVX 600 is ideal for executives and managers who need intuitive and powerful connectivity to lead an organization. Featuring a high resolution screen and 16-lines, the VVX 600 has the ability to provide personalized information through built-in web applications and a digital photo frame. An optional camera quickly gives the device video conferencing capability and the web-based tools allow for increased productivity.

Polycom IP 6000

Modernize your meetings with the innovative Polycom Soundstation. This one-line phone features speed dialing, a distinctive ring, a backlit LCD display and power over Ethernet through a clear speakerphone.


Cisco SPA 112

The comprehensive and feature-rich Cisco SPA112 two-port phone adapter enables high-quality VoIP service that can connect to analog phones. Its features include simultaneous voice and data use, outstanding security, easy installation and a compact size.

Cisco SPA 303G

The Cisco SPA 303G is a high-quality three-line phone with two Ethernet ports and a monochrome graphical display. The SPA 303G is an easy-to-use phone that supports hosted VoIP and PBX environments with secure remote provisioning and web-based configuration.


Cisco SPA 504G

The Cisco SPA 504G is a high-quality four-line phone with two Ethernet ports, a backlit LCD display and power over Ethernet. The SPA 504G is an easy-to-use phone that supports hosted VoIP and PBX environments with secure remote provisioning and web-based configuration.

Cisco SPA 525G2

The Cisco SPA 525G2 is a full featured, stylish five-line phone that supports up to two Cisco SPA500S Expansion Modules. The device features two Ethernet ports, a high resolution graphical display and enhanced power over Ethernet. The SPA 525G2 is a top-quality phone that supports hosted VoIP and PBX environments with secure remote provisioning and web-based configuration, and is WiFi and Bluetooth capable with HD voice.


Yealink T20

The user-friendly Yealink T20P is an HD two-line phone that offers a broad range of feature options, two Ethernet ports, and a speakerphone option. Users can quickly make calls with the intuitive function keys, and the device offers security protection for privacy.

Yealink T41P

The feature-rich Yealink T41P delivers superb HD sound quality as well as a rich visual experience with programmable keys. It has a modern graphical LCD display for a rich visual experience and the ability to easily access dozens of VoIP features.


Yealink T46G

The revolutionary Yealink T46G is the ideal HD phone with six lines for busy professionals. With a sleek design and rich color display, this modern device supports Ethernet and a variety of device connections, while offering programmable keys so users can dial with ease.

Panasonic TGP 550

The Panasonic TGP 550 is a high-quality three-line phone that offers HD voice, a handset/speakerphone combination, two Ethernet ports and more. The cordless option allows for flexibility, and the backlit LCD display, speed dialing and distinctive ring make this phone a unique, easy-to-use option.


Panasonic TGP 500

The Panasonic TGP 500 is a high-quality three-line phone featuring two Ethernet ports, speed dialing, HD voice, and a distinctive ring. The speakerphone/handset combination has a cordless option for ease of use, and the backlit LCD display makes this phone modern at an affordable price.

Nextiva Fax Bridge

This fax interface adapter allows you to use any standard fax machine with your Nextiva vFAX service. You can choose whether you want the fax machine to send documents, receive them or both. It's simple to connect. Your Internet cable and fax machine plug into the adapter bridge and you're ready to start sending and receiving virtual faxes with Nextiva vFAX.


Netgear WNR3500L

The NETGEAR WNR3500L is a reliable, high-performance platform that supports a variety of applications. The router offers extensive wireless range and speed, protected WiFi setup, Ethernet and USB ports, DoS attack prevention and double firewall protection.

Still not sure which plan to choose?

Call (800) 799-0600 to speak to a business VoIP specialist in your area.
For technical questions, please email support@nextiva.com

 
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Contact an Amazing Service
Sales Expert
(800) 799-0600
Learn how much Nextiva SIP Trunking can save your business.



Contact an Amazing Service
Sales Expert
(800) 799-0600
Learn how much Nextiva SIP Trunking can save your business.