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The transition to the cloud
 has never been easier

Now is the time to switch to Nextiva

Plans & Pricing

Why get Nextiva SIP Trunking?

A SIP (Session Initiation Protocol) trunk connection allows you to make phone calls from your current phone system without needing to buy costly new equipment. Minimal cost and effort - huge impact.

KEEP YOUR PBX

Integrates with many premise-based systems​

SCALABLE & FLEXIBLE

Solutions for any size organization

RELIABLE

99.999% uptime!

SECURE CONNECTION

Modern, secure communication​ protected by NextOS technology

AMAZING SERVICE

100% based in Scottsdale, Arizona​​

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 sysetm 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

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 boost your service response in the event of high call volume

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

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 SIP Trunking saves you a bundle. No contracts or fees.

SIP Metered Plans

$1495/mo plus $0.008/minute No setup fees All standard features
  • PBX Integration
  • SIP Compatible PBX Support
  • High Quality Codec
  • Flat Monthly Rate
  • Easy Setup
  • HD Voice Quality
  • Amazing Service®
  • Scales with Your Business
SIGN UP

SIP Unmetered Plans

$2495/mo No setup fees

Unlimited Calling

All standard features
  • PBX Integration
  • SIP Compatible PBX Support
  • High Quality Codec
  • Flat Monthly Rate
  • Easy Setup
  • HD Voice Quality
  • Amazing Service®
  • Scales with Your Business
SIGN UP

Get all the benefits of VoIP, while preserving your investment in PBX equipment.

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 with 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

Secure Connection

Leverage existing Internet connections to modernize an entire office through the robust, protected NextOS technology platform

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


Largest business cloud communications provider in the country

You need a communications solution that integrates with your current PBX system and scales with your growing business. Nextiva’s SIP Trunking will significantly reduce your company’s communication costs while providing you with the features and benefits of Nextiva’s award-winning VoIP technology. The best part? You can use your existing PBX system.

Nextiva Certified PBX Systems

Nextiva Certified PBX Systems Nextiva Certified PBX Systems Nextiva Certified PBX Systems

Nextiva Supported PBX Systems

Nextiva Certified PBX Systems

See what Nextiva is all about

  The Nextiva App
  NextOS 3.0
  Nextiva Office

Some pleasure reading about Nextiva

Nextiva means award winning service

See how Nextiva will transform
the way you communicate.

Nextiva Analytics

 
Nextiva's XBert

Contact an Amazing Service
Sales Expert
(800) 799-0600

See how Nextiva will transform
the way you communicate.

Nextiva's XBert

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

Nextiva's XBert

Contact an Amazing Service
Sales Expert
(800) 799-0600
Learn how Nextiva Analytics gives you unprecedented insight into your business.

Nextiva's XBert

Contact an Amazing Service
Sales Expert
(800) 799-0600
Learn how Nextiva Analytics gives you unprecedented insight into your business.

Nextiva's XBert

Contact an Amazing Service
Sales Expert
(800) 799-0600
Learn how Nextiva Analytics gives you unprecedented insight into your business.

Nextiva's XBert

Contact an Amazing Service
Sales Expert
(800) 799-0600
Learn how Nextiva Analytics gives you unprecedented insight into your business.



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.