• For government, military, and commercial power users.
    The Power of
    for PC
    or Mac
  • TLS and SRTP encryption, IPv4 and IPv6 protocols.
    Seamlessly with
    Your Contacts

With Teo Softphone and Teo UC, users have the power of unified communications at their fingertips. Now they can communicate the way they want, whenever they want, wherever they want. Voice, Video, IM, Screen Share, or email, all integrated seamlessly with their existing contact management system, be it Exchange, Outlook, corporate or local directory. Versions are available for Windows and Mac.


Screen Sharing

Support up to 100 participants in a single session, no plug-ins for participants.

HD Voice Calling

Enjoy HD voice calling from a PC or ancillary phone device.

HD Video Calling

Supports up to 4 HD widescreen video participants per session.

Instant Messaging

IM with other system users and retain chat log.


View presence of users, publish your presence, drive call routing based on status.

Address Book Support

Sync contacts with Microsoft Outlook® personal address book (Windows only); supports Mac Address Book (Mac only).

USB - HID Support

Support for plug-and-play HID-compliant devices.

Troubleshooting Assistant

Self-testing to identify common softphone/VoIP issues.

Alert List (Buddy Pounce)

Select a contact/group of contacts to be notified when phone or presence status changes.

CLI and CRM Integration Support

Integrate Teo Softphone call flows with other applications such as CRMs.

Contact List with Presence Indication

View the presence status of other users in the system.


Add-in for Outlook

The Teo Add-in for Outlook integrates the Teo Softphone directly into users’ Microsoft® Outlook® workspace. With a streamlined user interface, the plug-in allows users to call and message contacts, see contacts’ presence, and access voicemail all within their Outlook window, greatly increasing the speed and efficiency with which users can communicate.


Headset options are available from other manufacturers.


Interoperability & Configuration

  • Open Standards based
  • Session Initiated Protocol (SIP) based signaling
  • Performance Management of the SIP end-point
  • Zero-Touch Configuration of your audio or video devices
  • Contact-centric user interface
  • Hide your ID for calls
  • Contact Management
  • Combined IM & Call History per contact
  • Use default contact method for each contact
  • Manage, sort and filter up to 3,000 contacts
  • Group Instant Messaging

System Requirements


  • Minimum: Pentium 4® 2.4 GHz or equivalent
  • Optimal: Intel Core Duo or equivalent, video card with DirectX 9.0c support
  • Memory (minimum): 1 GB RAM
  • Memory (optimal): 2 GB RAM
  • Hard disk space: 50 MB
  • Transport Layer Security (TLS)
  • Hypertext Transfer Protocol Secure (HTTPS)
  • IPv4/IPv6 dual stack


  • Minimum: 1 GB RAM
  • Optimal: 2 GB RAM

Hard Disk Space

  • 50 MB

Operating System

  • Microsoft Windows 8, 7, or Vista, 32-bit or 64-bit architecture
  • Microsoft Windows XP Service Pack 2
  • Apple Mac OS 10.5 or above


  • IP network connection (broadband, LAN, wireless)

Sound Card

  • Full-duplex, 16-bit or use USB headset

Web Browser

  • Microsoft Internet Explorer 6.0 or later


  • 1.3 Megapixel sensor, recommended minimum


  • USB or sound card compatible, or built-in webcam

Videos & Documentation

On-Demand Webinars