SIP Trunking

SIP Trunking gives you the best of both worlds: the improved functionality and cost-efficiency of VoIP phone plans and the ability to keep your current phone system.

Technically speaking, SIP stands for "Session Initiation Protocol." Trunking refers the blend of data and voice connections into a single line. Instead of using both a phone network and a data network, you can use the Internet to transfer your voice and your data. SIP trunking uses your onsite PBX (that’s the telephone switching system that you already have) to route the calls. But the difference in price comes from the consolidation of your connections and the increased efficiency that brings.

Providers like Vocalocity and Nextiva can customize their plans to provide top-notch SIP service. Check out these providers and others below, on our SIP Trunking comparison table. We noted some of the nicer features below.

  • Increased reliability, backed by the SIP Trunk Providers
  • Caller ID
  • DID calling for every extension
  • Local and long distance calling
  • E911
Provider Solutions* Cost User Rating*

Unlimited Extension

Get unlimited extensions from the Small Business specialists. Just convert your existing phone...
  • Unlimited local and long distance
  • 25+ advanced features
  • No contracts
$39.99
4.12
93 reviews

Connect 360 Unlimited

No contracts, unlimited calling, best-quality calls. A complete business solution.
  • Unlimited calling
  • US-based support
  • No contracts
$29.95
4.687035
110 reviews

Smart PBX

Just $30 a month to add 1500 minutes to a phone pool for the entire office. No hidden fees.
  • Unlimited Virtual Extensions
  • Free Long-Distance
  • No Contracts or Hidden Fees
$30.00
4.75
51 reviews

8x8 IP Trunking

Use 8x8's IP Trunking to expand and supplement your IP-connected office. 8x8's SIP Trunk...
  • Unlimited lines
  • Easy customization
  • Keep your existing system
$24.99
3.78196
85 reviews

Metered Basic

Get 1000 minutes with the metered basic plan and continue to use your current phone system.
  • Keep your current system
  • Scalable international plans
  • 1000 minutes included
$19.99
4.39759
82 reviews

Micro

FonAngle Micro is designed for small businesses. With Basic PBX functions, 2-3 lines, a local...
  • Unlimited local and long distance
  • 2-3 lines and a local number
  • No contracts
$49.95
5
2 reviews
Provider Solutions* Cost User Rating*

N/A

Check with AVAD for details.
4.7
2 reviews

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