| Call Feature
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OpenScape Voice
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OpenScape Business
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OpenScape 4000
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Unify Office
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| outgoing/incoming calls
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| Calling Line Identity Presentation (CLIP)
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| Calling Name Presentation (CNIP)
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| hold – including music on hold while a caller is waiting
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| consult
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| toggle
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| 3-party conference
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| Distinctive Ringing (internal/external calls) - SIP based
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--
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--
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| internal/external call ringer differentiation (device based)
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--
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--
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| Message Waiting Indications for Voice Mails
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--
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--
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--
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--
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| Group Calls
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ONS- Parallel Ringing
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--
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| Call forwardings (busy/no reply/unconditional) station controlled
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| Attended / unattended transfer
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| 2nd line / Call Waiting
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--
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| Call Pickup Group
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--
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| Call completion
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--
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--
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--
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| ringer tone mute by incoming calls
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| call reject
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| time and date display at idle screen
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| missed call list for incoming calls on a free DECT handset, including MWI signaling
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| received call list
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| DTMF transmission (RFC 2833 based)
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| LDAP Access via DECT handset
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via LDAP is access to the OpenScape directory service possible
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| SIP via UDP/TCP/TLS
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| Featurecodes including * and #
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--
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some features only
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