Providing quality technology solutions.

SIP Trunking

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Network Services

Who is Clearfly?

We have been providing companies across the U.S. with SIP trunking solutions since 2008. Our voice services utilize the latest technology and are supported 24/7 by our dedicated team of technicians.

What is SIP trunking?

This voice services solution uses VoIP access to connect customers’ phones equipment to the global network. Customers choose the type and quantity of trunks needed to meet their business needs.

What are the benefits of SIP trunking?

SIP trunking not only saves you money with flexible pricing, but it offers many special features, such as SMS/MMS messaging, fax-to-email services, clear conferencing, and personalized forwarding.

Please call us toll-free at

(888) 209-5575

To meet our team and see our showrooms, we encourage you to visit either of our three locations in Aberdeen, Pierre or Rapid City, South Dakota.

Aberdeen, South Dakota

CommTech Inc.
1225 6th Ave SE
Aberdeen, SD 57401

Pierre, South Dakota

CommTech Inc.
2510 E. Irwin #2
Pierre, SD 57501

Rapid City, South Dakota

CommTech Inc.
29 E Chicago
Rapid City, SD 57701

We would love to hear from you!