X-Lite for Mac softphone has all standard telephone features, including:

• Call display and Message Waiting Indicator (MWI).
• Speakerphone and Mute.
• Redial, Hold, Do Not Disturb.
• Call history -- list of received, missed, and dialed calls.
• Three-party conferencing.
• Enhanced Features and Functions
• X-Lite for Mac also supports the following features and functions:
• Video.
• Managed contact list.
• Automatic detection and configuration of audio and video devices.
• Acoustic echo cancellation, automatic gain control, voice activity detection.
• Support for the following audio codecs:
• Broadvoice-32, Broadvoice-32 FEC, DVI4, DVI4 Wideband, G.711aLaw, G.711uLaw, GSM, iLBC, L16
• PCM Wideband, Speex, Speex FEC, Speex Wideband, Speex Wideband FEC.
• Support for the following video codecs:
• H.263, H.263+ 1998.
• Automatic selection of the best codec based on the other party’s capability, the available bandwidth, and
• network conditions. X-Lite switches the codec within a call in response to changing network conditions.
• Compliance to 3261 SIP standard.
• STUN and ICE NAT traversal.
• Support for DTMF (RFC 2833, inband DTMF).
• SoftPhone.com Features
• If you have a SoftPhone.com account, the following features are also available:
• Presence via your SoftPhone.com account. You can see the presence of any contact who also has a
• SoftPhone.com account.
• IM via your SoftPhone.com account. You can send IMs to any contact who has a SoftPhone.com account.
• For more information on SoftPhone.com and its features, see www.softphone.com.