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Bring your PBX to the cloud — the easy way.

SIP trunking providers aren’t the same. Nextiva’s business voice network is built for reliability. There's no new equipment needed.

SIP Trunking
Nextiva Supports every major PBX system:
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What is a SIP trunk?

A SIP trunk provides voice connectivity to the telephone network by only using an internet connection. Based on the Session Initiation Protocol, SIP trunks handle a high volume of inbound or outbound calls using a Private Branch Exchange (PBX) server.

Why go with SIP trunking?

SIP Scalable voice icon

Scalable voice

Easily add trunks, channels, and DIDs as you grow.

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Cloud redundancy

Eight U.S. data centers give you superior call reliability.

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Flexible pricing

SIP trunk pricing that saves you more on business voice.

Get more from your PBX with SIP trunking.

Carrier-grade PSTN connectivity. Easy setup. No code needed.

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Online management

Manage your credentials, direct-dial numbers, and more from a web-based admin portal. Goodbye, terminal.

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Fraud mitigation

We’ll let you know if we see unusual call activity. Thwart abuse and fraud in a few clicks.

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Enhanced 911 (E911)

Ensure users are safe with turnkey E911 functionality. Supports physical location for public safety operators.

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Automatic failover

If your PBX goes offline, no problem. Cloud connectivity lets you direct calls to another destination.

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Detailed call records

Need to research call detail records? Administrators can view CDRs securely and in minutes.

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Rapid setup

Ready-to-use SIP trunks mean you can deploy the same day without any coding.

Flexible SIP trunk pricing

Unlimited calling. Affordable trunking. Why not both?

Metered

$14.95

Per month
plus $0.008 per minute

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100 minutes included

Fast, free account setup

Eight U.S. points of presence

Award-winning 24/7 support

Unmetered

$24.95

Per month
Unlimited calls nationwide

Get a quote right arrow icon All Metered features, plus:

No per-minute charges

Toll-free number included

Scale up as you need

Volume discounts available

Got pricing questions?

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How it works

Start using SIP trunks in four steps.

1
Get a personalized quote.

Get a custom quote for SIP trunk pricing. Even if you’re just getting started, no problem. Your quote reflects all taxes and fees.

2
Check your compatibility.

Our SIP trunking solution works with dozens of popular IP PBX systems. We’ll confirm your hardware works with us.

3
Select or port numbers.

We’ll gather your needs, including extra phone numbers (DIDs) and toll-free numbers. You're supported at every step.

4
Establish PBX connectivity.

You’ll receive your credentials to manage your SIP service. From there, begin placing calls using our SIP trunking infrastructure.

How does SIP trunking compare to business VoIP?

Not sure about whether SIP trunking is right for
you? Here’s a simple comparison.

 

SIP Trunking

Business VoIP

Installation

Network/IT experience
recommended

No tech experience needed

Cost

$14.95 - $24.95 per line1

$22.95/month per user2

Phones

Optional

Direct-dial numbers (DIDs)

Yes

Yes

Nationwide calling

Yes

Yes

International long distance

Yes

Yes

Call logs

Yes

Yes

Public Switched Telephone Network
(PSTN) connectivity

Yes

Yes

On-premises hardware

Yes (PBX)

Optional

Mobile apps

Yes

Business voicemail

Yes

Voicemail transcription

Yes3

Call recording

Yes3

Auto attendants

Yes

Text messaging (SMS)

Yes

Call queues

Yes3

Conference calls

Yes

Video conferencing

Yes

1 Metered SIP trunking pricing varies, see pricing table.

2 Nextiva Essential plan for 100 users with an annual agreement.

3 Add-on feature or bundled with available plans.

Nextiva is the last SIP trunk provider you’ll ever need.

IT professionals choose Nextiva over other SIP trunking
providers for these reasons:

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Guided support

Changing voice providers is a big deal. We work with you to ensure porting is successful.

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Reliability & uptime

We connected over 1 billion calls last year. We've built the most reliable VoIP network in the industry.

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Superb call quality

Redundant SIP servers give you
low-latency voice connectivity with multiple call routes.

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Hassle-free setup

Standards-compliant credentials mean you just copy them into your PBX and you’re done.

SIP Trunking FAQs

How much do SIP trunks cost?

What’s the difference between SIP and VoIP?

What do I need to use SIP trunking?

Is it easy to move phone numbers to Nextiva?

Why is SIP trunking better than PRI?

Does Nextiva offer monthly or annual plans?

1 Billion+ Calls on our network
100,000+ Happy customers
1,000+ Global employees
The most successful brands trust Nextiva:
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The secret's out. Try the best SIP trunk provider today.

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