Asterisk VoIP Consultants and Cloud PBX specialist

Consulting derived from real world experience.
Expertise accumulated from results.
A customer service oriented approach.

That is VoIP Citadel.


We get it.
We have seen the results and routinely repair the results of VoIP gone wrong. Consisting of seasoned, veteran asterisk consultants in Tacoma, Washington & Scottsdale, Arizona, VoIP Citadel has a proven track record established through results. Whether you have an Enterprise Sized Call Center in Seattle or a 5 seat office in New York, contact us today to see if we can help solve your VoIP problems!

VoIP Citadel specializes in support, sales, implementation, upgrades, repair and maintenance of cloud & premise PBXs.  Including FreePBX, PBXAct, PBX in a Flash, Thirdlane, and most other Asterisk open source IP PBXs.

Interested in a Cloud PBX?

Check out our Cloud Phone system features here!

You can view our current SIP trunking rates here

Latest VoIP Industry News:

Algo 8028 SIP Door/Gate Phone

The Algo 8028 doorphone is an weatherproof/outdoor rated SIP intercom, designed to allow users of your Asterisk PBX to control access through a secured gate or door with the simple press of a button.

When a visitor presses the back-lit call button a single phone or a group of phones will be rang in the office. Once answered the occupants of the building are able to verify identity courtesy of the two-way communication with the visitor, after which they can dial the access code thereby granting the visitor access to the premises.

The doorphone can also be dialed directly from any user on the system to communicate with the visitor.

Typical implementation of an Algo Door Phone solution:

If you would like additional information about installing a Algo Door phone or have any questions please contact us!


Asterisk PBX Consultants

VoIP Citadel is a one-stop-shop for
IT services, specializing in VoIP and Asterisk.

Located in the Puget Sound Region of Washington State, VoIP Citadel offers an array of IT innovations, network convergence, voice management and telecommunications solutions to the entire United States.

No Job is too big or too small!

Experienced Asterisk Consultants

VoIP Citadel's staff has real-world experience with Asterisk & associated platforms such as FreePBX, PBXAct, PBX in a Flash, Trixbox and Thirdlane. We are available regardless of time of day due to the importance of your phones maintaining functionality. We understand the value a communication platform provides and will work to ensure your organization is able to leverage your PBX accordingly!

If you would like to find out more, or see how we can help you please contact us today.

Hosted Cloud PBX

Interested in a professionally managed cloud PBX? Interested in cloud PBX you manage with real support available if you hit a snag? Contact us today to see how much we can save you by moving to the cloud!

The Open Source Asterisk Project

Asterisk is robust & mature enough to support installations varying from 5 seat cloud based phone systems to 500+ seat premise based contact center solutions with full redundancy. The most enticing aspect of Asterisk is the features available and the associated licensing. While more features are added with every release, licenses for items such as voicemail, extensions, and even auto-dialers no longer exist. Open Source telephony has truly revolutionized the PBX market while continuing to embrace legacy PBX features such as DISA a ACD.