SIP.US

SIP.US is a telecommunications company based in Alpharetta, Georgia, founded in 2013. The company specializes in on-demand, cloud-based SIP trunking services designed for IP-PBX systems, analog/digital gateways, and SIP-compliant devices. SIP.US operates with a focus on a fully automated, self-service model, offering immediate provisioning and a robust online control panel for managing SIP trunks, telephone numbers, and billing. The core offering includes business-class SIP trunks that are compatible with various systems, supporting unlimited rate plans and voice integrations like Microsoft Teams. SIP.US provides features such as a free trial, toll fraud protection, and easy setup without long-term contracts. The company serves a wide range of industries, including automobile dealers, contact centers, hotels, medical practices, and nonprofits, catering to small, medium, and large enterprises in the U.S. with flexible and cost-effective communication solutions.

• SIP trunking for US businesses: bring-your-own PBX
• quick DID provisioning
• simple per-trunk pricing

~$24.95/trunk/month flat, unlimited channels tiers