OpenScape Office LX 3rd Party Gateways

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OpenScape Office LX can be connected to TDM Trunks (S0/BRI, S2M/PRI) or Analog Trunks (HKZ, CAS) via HiPath 3000 V8 or OpenScape Office MX V3 communication systems, these acting as VoIP Gateways to PSTN.
Third party SIP/TDM Gateways (VoIP Gateways) could also be used by Sales Partners after a successful certification is planned and completed.
Certification path involves that specific tests are made in agreement with SEN: technical requirements, supported features and general information about test process are given below.

Technical Requirements

OpenScape Office LX

  • OpenScape Office LX stand-alone system
  • Trunk configuration: ITSP SIP trunking

Third Party VoIP Gateway

  • SIP interface according to RFC 3261
  • DTMF transmission according to RFC 2833
  • FAX over IP according to T.38

Supported Features

  • Basic Call with CLIP/CLIR
  • Hold, Consultation, Transfer, Conference
  • other features handled internally in OpenScape Office like call forwarding, call park, call pickup, call waiting
  • DTMF transmission
  • FAX (T.38 with OSO, T.38 or G.711 via analog to SIP terminal adapter)

not supported are

  • Call Back from ISDN
  • Specific displays for forwarded calls

Certification Process

  • Certification is possible for third party gateways with broader business relevance. Agreement from SEN Product Management shall be obtained in advance.
  • The test cases from the list below have to be executed and documented by trained persons. Open issues shall be clarified with technical support, who will also check the test results.
  • After successful tests, the tested gateway is released by notice on this page and support is given for deployments which include the tested gateway.

Test list
zip.png  SIP Gateway test List Version 2012-03-07

Configuration Guide
pdf.png  OpenScape Office Config Guide ITSP

Product Management: Franz Kneissl
Technical Support: Tasos Ginis

Released Gateways

Tested in Brazil in February 2010
Please note that only the CAS interface not the ISDN interface has been tested and released!

Teles VoIPBox PRI V16.1.2.0
PSTN Interface Primary Rate
OpenScape Office V3R1.3
Tested Nov. 2011 by Procomp Telecom, Hungary
  • Dial in from external to a meet-me conference is not possible
  • Blind transfer is currently not possible. Please select 'consulation transfer' in myPortal / myAgent