 |  |  |  |  | | IAX/IAX2 protocols | | | | Call transfer | | | | Calls Incoming status | | | | Redial | | | | Access voice mail message with one button | | | | Call Forwarding | | | | Do Not Disturb | | | | Missed call Log | | | | Dial Missed call | | | | Hold function | | | | Hold status (number of users waiting) | | | | Quick dial | | | | Mute | | | | Logs | | | | Support for multiple audio devices | | | | Available codecs GSM, ulaw, alaw, speex, ilbc | | | | DTMF tones sending | | | | Echo cancellation | | | | Adaptive Jitter Buffer | | | | Address book | | | | Automatic user registration | | | | Account password encryption | | | |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |
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