Reliable Business Phone Systems. Expertise from Real World Experience. A Customer Service Focus that Delivers.

VoIP can be a challenge – We know and we’re here to help!
Comprised of experienced veteran asterisk consultants, VoIP Citadel and State Side I.T. have a proven track record established through results.  Whether you need help with an Enterprise sized Call Center in Houston, a 10 user PBX in El Paso or with remote call center seats distributed world wide, contact us today to see how we can help with your business phone system needs!

We offer Asterisk phone systems, cloud phone systems, support, VoIP service and SIP Trunks, phone installation, premise phone systems, business phones, and AI VoIP services for a wide array of business telephony needs all over the globe. From small businesses to large enterprises, our decades of real world experience ensures our clients receive the absolute best in support, sales, implementation, and customer service.

Our specialties include Asterisk support & Cloud business phone systems, FreePBX, PBXAct, PBX in a Flash, Thirdlane, IP Phones, and many other Asterisk systems and IP Telephony technologies.

Interested in a Cloud PBX?  Need help with your Phone System?
Want more info about our affordable VoIP Services?

Contact us today!

Curious how a Cloud PBX can improve efficiencies?
Check out our Hosted Phone system features and benefits here!

VoIP Info, Devices, News, & Updates

Poly VVX-D230 Wireless DECT SIP Phone

Poly VVX-D230 Fully Featured DECT Wireless SIP Business Phone

The Poly (formerly Polycom) VVX-D230 phones are wireless DECT SIP based handsets offering a full desk-phone feature set from a standalone mobile handset.

With an indoor range of up to 165 ft. and and outdoor range of up to 980 ft., the Poly VVX-D230 series supports up to 8 lines per handset and up to 10 handsets per base station.

Featuring a 2″ TFT Color Backlit display and a Full-duplex Speakerphone with Acoustic Echo Cancellation and Background Noise Suppression, the VVX-D230 handsets offer the exceptional sound quality and reliability you’ve come to expect from Poly (formerly Polycom and Plantronics).

The VVX-D230 feature support for necessary business desk-phone features such as call waiting, do not disturb, hold, forward and call transfer.

Additional Wireless Handsets offer affordable expandability:

Up to 10 Poly VVX-D230 handsets can be added to a single base station, each as a separate extension with their own charging base.

	Each Additional handset has it’s own charging cradle and operates independent of the other handsets associated with the base station.
Unprecedented wireless range and a High Quality speakerphone with the sound quality you’ve come to expect from Poly.

For more information on the wireless Poly VVX-D230, or if you would like to see how one could benefit your organization Contact us today!

Overhead Paging Speakers and Loudspeakers

Various options are available, enabling over-head paging functionality for a myriad of environments

Algo 8188 SIP Ceiling Speaker

Algo 8188 Ceiling Speaker PoE powered Wideband Audio

The 8188 Ceiling Speaker is a SIP speaker used in drop ceilings for over-head paging. The speaker is a fully compliant SIP endpoint compatible with SIP based hosted/cloud and premise-based telephone systems.

Algo 8186 PoE powered Fully SIP compliant Wideband Speaker Horn

The 8186 PoE capable SIP horn is an outdoor-rated IP speaker for voice paging and loud ringing applications. This IP speaker is a fully compliant SIP endpoint compatible with SIP based hosted/cloud and premise-based telephone systems.

Algo 8189 Surface Mount SIP Ceiling Speaker

Algo 8189 Drop Ceiling Design PoE powered UL, FCC & CE Certified

The PoE 8189 SIP Surface Mount Speaker is identical to the 8188 SIP Ceiling Speaker, however, it has been designed to be used in indoor surface mount ceiling or wall applications. The speaker is a fully compliant, self-amplified SIP endpoint. As a result, the Algo 8189 IP speaker is compatible with SIP based hosted/cloud and premise-based telephone systems.

For more information on the how VoIP Citadel can help with your SIP overhead paging needs, or if you have questions about paging with your IP PBX Contact us today!