Supplementary Service Support (v4.0x-v4.2x) (kb2305)

The information in this article applies to:

  • SwyxWare v4.10
  • HST SAPHIR V Primary PCI
  • Digi DataFire Quad Micro
  • Digi DataFire Micro V
  • SwyxWare v4.00

[ Summary | Information | Links ]


The SwyxWare (v4.0x-v4.2x) supports a number of so called Supplementary Services on the ISDN line (PSTN or internal). This article gives an overview of all supported and not supported services.


The following Supplementary Services are defined within the ISDN:

  • MSN – Multiple Subscriber Numbers
  • CW – Call Waiting
  • SUB – Sub addressing
  • DDI – Direct Dial In
  • CLIP/CLIR – Calling Line Identification Presentation/Restriction
  • COLP/COLR – Connected Line Identification Presentation/Restriction
  • AOC – Advice of Charge
  • UUS – User-User Signaling
  • Redirection Number/Name
  • Redirecting Number/Name
  • HOLD – Call Hold
  • TP – Terminal PortabilityCall Park
  • CF – Call ForwardingNo reply, busy, delayed
  • CD – Call Deflection
  • ECT – Explicit Call Transfer
  • 3PTY – Three Party Conference
  • MCID – Malicious Call Identification
  • CCBS – Completion of Calls to Busy Subscriber
  • MWI – Message Waiting Indication
  • CCNR – Completion of Calls on No Reply
  • CONF – Conference Call
  • Overlap Sending
  • Block Dialing
  • DTMF Generation/Detection
  • Calling/Called Name

Via the following link you can download a complete table listing all supported Supplementary Services by the single SwyxWare services and/or configurations. 


As far as software supplied or used by us, includes open source elements the additional terms under apply in addition. An overview which products from the Swyx portfolio include open source elements and which open source license is relevant can be found under

The third-party contact information included in this article is provided to help you find the technical support you need. This contact information is subject to change without notice. Swyx in no way guarantees the accuracy of this third-party contact information nor is responsible for it's content.


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