PBX SIP Trunking Plans
Nextiva business-class SIP trunking allows you to save money on all your business communications, increase your return on investment and benefit from unlimited local and long distance calling – all without the cost of switching your existing PBX equipment.
- Supports Legacy or IP-Based Systems
- Rich HD Voice Quality
- Scalable Functions Grow with Your Business
- Extensive Suite of Client Applications
- Zero Setup Fees, No Contracts Required
- U.S. Based Technical Support
| SIP Metered Plans | SIP Unmetered Plans |
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Plans starting at
$14.95/mo
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Plans starting at
$24.95/mo
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Save Money
Lower rates on long distance calls, international calls and in-bound toll free calls that can save you up to 80% on your phone bill - without replacing your phone numbers or equipment.
Save Time
With dedicated and knowledgeable technicians and an easy-to-use system, getting set up has never been so easy. Our customer support specialists ensure rapid and successful deployment.
Connection
Leverage your existing broadband Internet connection in order to modernize your entire office. There's never any cost to call your remote offices or employees using Nextiva phones.

What is SIP?
Session Initiation Protocol (SIP) is a type of Voiceover Internet Protocol (VoIP) that allows a company to replace traditional public switched telephone network (PSTN) lines to utilize the Internet for their connectivity. SIP allows you to skip over the PSTN and use the Internet for your data transfer, saving you on the cost of making and receiving phone calls.
What are the advantages of SIP trunks?
SIP trunks are much cheaper than the analog circuits that are used by traditional enterprise phone systems. They are also able to maintain or exceed the level of call quality that businesses expect from their phone service, while saving you money.
When should a business be using SIP trunking?
SIP trunks are a good option for a business that is already using an existing PBX system. If your business already has the hardware, it is easy and inexpensive to set up a SIP trunk. One SIP trunk can connect your phone lines to your existing hardware. Your business will immediately begin saving money by using the robust Nextiva VoIP network instead of a traditional phone line.
What equipment do I need to get started?
SIP trunks are easy to set up with any SIP-ready PBX system and can also be made to work with traditional analog or key systems that have an Integrated Access Device (IAD).
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.
Cisco SPA 525G

The Cisco SPA 525G is an easy-to-use five-line phone with two Ethernet ports, a backlit LCD display and power over Ethernet. The SPA 525G 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.
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.
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

























