Enigma is a free Session Initiation Protocol (SIP) softphone available for your download. It can used to make Internet calls, establish conference and send instant messages to your buddies under the same SIP network. Choose your platform see features So whether your just having a simple voice conversation or talking to a friend over Instant Messaging, Enigma will leads you to a new path of communications.

Make Internet calls, establish conference and send instant messages.

Enigma Softphone Features:
* Call, Redial, Hold
* Auto Answer
* Auto Conference
* Dial Pad
* Call History (Dialed Calls, Received Calls, Missed Calls)
* Manage Groups (Add, Edit, Remove)
* Manage Groups (Add, Edit, Remove)
* Sorting (by Contact Name, by Contact Number)
* Show Contacts
* Account User Status (Auto Detect, Available, Busy, On the phone, Idle, Away, Offline)
* Availability Settings (including Availability Message)
* IM or chat messaging

So whether your just having a simple voice conversation or talking to a friend over Instant Messaging, Enigma will leads you to a new path of communications.

Requirements:
* Memory 128 MB RAM
* Hard Disk Space 15 MB RAM
* Connection IP network connection (broadband, LAN, wireless); Internet connection
* Sound Adapter Full-duplex, 16-bit
* GTK+ Runtime Environment

The license of this software is Freeware, you can free download and free use this internet phone software.