SIP Trunking Providers - Compare 2014's Best SIP Trunk Services

SIP Trunking services are offered by many of the top providers in country. Our comparison charts below are designed to help business consumers find the perfect SIP Trunking provider for their company's specific needs. We breakdown and assess key factors of SIP such as reliability, uptime, features, and prices.

SIP Trunking Providers Ads:

Company
Plan Features
Price
Setup
# Porting
Money Back
Reviews
More Details
Visit Nextiva.comNextiva
Amazing Service Guarantee
Unlimited Nationwide Calling
Keep Your Existing PBX System
Easy Setup - No Contracts
$14.95 Free Free 30-Days
4.8 / 5
4.816325
Visit 8x8, Inc.8x8 Inc.
#1 Market Leader Award
Easily Deployable
Unlimited Extensions
Integrate Existing System
$19.99 Free Free 30-Days
4.2 / 5
4.231295
Visit Voxox.comVoxox
US & Canada Phone Numbers
Free Calls Between Office Locations
3 Trunk Minimum
International DID Coverage for 60+ Countries
$9.99 Free Free 30-Days
4.7 / 5
4.714285
Visit Flowroute.comFlowroute
Awarded #1 Fastest Growing SIP Provider
Free Trial, No contracts, Carrier-grade Quality
Top-tier USA Based Enterprise Support
FreeSwitch, Asterisk, 3CX Support (+more)
$17.95 Free Free Cancel Anytime, No Fees
4.9 / 5
4.90476

Latest SIP Trunking Reviews...

The features of this...

"The features of this service is very good. The rep also knew her stuff. I'm looking forward to years of reliable VoIP service. And my phone looks totally... "

Our first experience with...

"Our first experience with a VOIP service and so far everything has been great. We did a lot of research before deciding to go with 8x8 and have no regrets.... "

Excellent Customer Service...

"Lines went down momentarily because of a AMZN Payment processing issue. Flowroute credited me in advance-keeping me online- while the AMZN processing glitch... "

Great Support...

"Switched to 8x8 after being for many years with Cox. What I like the most is the support, which is available over phone, chat and e-mail. Before we had to... "

New to SIP Trunking? Start Here:

What is SIP Trunking?
SIP Trunking (Session Initiation Protocol) is a VoIP communication system using your internet connection to make and receive large volume of phone calls with optimal functionality. SIP services are offered by most VoIP providers for both small and large businesses. SIP integrates your voice, video, data and internet service into a single line. “Trunking” is a term that dates back to the days of telephone service to describe a large number of telephone users sharing a smaller number of communication paths. With SIP, all calls are local calls, and you don't even need a phone line. Click here for an in-depth explanation of SIP Trunking.

Advantages of SIP Trunking Services

The advantages of SIP help level the playing field, making it easier for small businesses to appear large and professional, and easier for large businesses to maintain a local presence. Either way, the most important feature of any system is that it be reliable and add to your bottom line. SIP VoIP business services specifically, help you do just that.

- Very inexpensive calling
- Future-proof technology and ease of scalability
- Ability to take your number with you if you travel or move offices
- If one office has a network outage, calls will be routed to other offices
- Good for medium and large business with more than 25 phones
- Good for businesses with international offices
- Enhanced 911/Emergency calls

How Will SIP Trunking Help My Business

Before SIP, you needed a Primary Rate Interface (PRI) to carry voice, data, and video over one line. A PRI is a physical device that you had to purchase along with the calling plans from your phone provider. With SIP, your provider sets up a proxy server, also called a SIP proxy, which provisions incoming, outgoing, and PBX calls. Nothing is on-site. Instead of an IT team, or IT contractor, your provider takes care of all technical support, saving you time and money.

If you have to temporarily shut down a location, SIP trunks will automatically reroute calls to other locations and extensions. Let’s say there is an unexpected power outage during the day. Calls can be rerouted to a satellite office.

For companies that have an international presence, or are looking into outsourcing, SIP can take your business to the next level. You can have customer service staff spread across the country or even the world.

SIP Trunking combines your voice, video and data networks into a single line. That's right - local, long distance and broadband Internet service all rolled into one. By dynamically allocating your bandwidth you can keep your real time traffic on the internet, and off the PSTN as much as possible. This gives you several advantages over traditional telephony, and even over older VoIP protocols. Before SIP, you needed a Primary Rate Interface (PRI) to carry voice, data, and video over one line. SIP Trunking eliminates the need for BRIs (Basic Rate Inerfaces), PRIs, and PSTN gateways. With SIP, your business VoIP provider sets up a proxy server, also called a SIP proxy, which provisions incoming, outgoing, and PBX calls. Instead of an IT team, or IT contractor, your provider takes care of all technical support, saving you time and money.  Read more on How SIP Trunking will help your business.