Cost: Free

Protocol: SIP

Features:
Caller ID (In "Danish" mode the address will also be shown)
Microphone mute
Direct IP to IP calling
Speed dial
Do not disturb
Log with received, dialled and missed calls
Unlimited SIP accounts
Unlimited simultaneous calls
-And a great deal more

Contact list:
Unlimited numbers of groups
Unlimited numbers of contacts
Unlimited phone numbers for each contact

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