Network & Features

deltathree manages one of the world’s first and most advanced Session Initiation Protocol (SIP) networks to provide your customers with the highest quality Internet telephony and the most advanced features. Our open architecture infrastructure ensures that our network services can be fully accessed and utilized with any SIP device.

Least Cost Routing System

Utilizing a comprehensive Least Cost Routing System, deltathree provides your customers with the best possible quality and the lowest rates by choosing the best route to send the call.

Network Operation Center(NOC)

deltathree’s network engineers and assistants support you 24 hours a day, 7 days a week. With a secure login, you can access our Network Operations Center (NOC) via the Internet and interact with our technical experts to help resolve any issues.

Network Features

Your end-users can enjoy a full range of network features, equivalent to a regular phone experience, while using VoIP technology.

View full list of features