De belangrijkste functionaliteiten van de Teleknowledge-VoIP centrale zijn:
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Automated Attendant
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Blind Transfer
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Call Detail Records
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Call Forward on Busy
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Call Forward Variable
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Call Parking
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Call Queuing
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Call Recording
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Call Routing (DID & ANI)
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Call Transfer
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Conference Bridging
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Database Integration
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Do Not Disturb
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Interactive Voice Response (IVR)
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Music On Hold
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Remote Call Pickup
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Supervised Transfer
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Three-way Calling
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Transcoding
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VoIP Gateways
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Voicemail
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G.711 (A-Law & μ-Law)
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G.729a
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Google Talk
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H.323
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FXS
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FXO
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EuroISDN PRI and BRI
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Q.SIG