maxcall

Making and receiving SIP calls

Video calling using H264 and H263+ codecs

XMPP instant messaging

Facebook instant messaging

Google instant messaging

SIP SIMPLE chat and presence

Contacts (phone book)

Loudspeaker

Balance information*

Destination*, rate

Time, call status logs

Calls history

Sending and receiving SMS* over SIP protocol

Multiple active calls support

Conferencing up to 4 participants

Blind and attended transfer

Hold

Echo cancellation

Message Waiting Indicator (MWI) for voicemail

DNS SRV

STUN support with STUN discovery

Built-in tunnel* for passing through VoIP blockades

Digits Interception (Dialer pops up once dialing from the phone’s “Dial pad” or choosing a number from the phone’s “Contact list”)

Fallback* to callthru (dialing through an access number) if network connection is not available, more

Optionally built-in callback* client for VoipSwitch (triggering conference with two numbers