SIP Provider EWETEL (DE) (kb4956)

The information in this article applies to:

  • SwyxWare 11
  • SwyxWare 2015

[ Summary | Information | Links ]


Information und configuration hints for SIP provider EWETEL (Germany). These hints are also apply to "swb" and "osnatel NGN".


General information

The EWETEL (swb / osnatel NGN) trunk is a SIP trunk with user authentication. You have received information about UserID, UserName and UserPassword, whereas the nameing may differ, or you have only received UserName and -password. In this case, UserID and UserName are identical. Usually, a customer also obtains his internet access from EWE.


For your convenience the generated CustomProviderProfiles.config is available for download at the end of this article. Extended information about how to use this file can be found at Configuration and Adaptation of SIP Providers via Provider Profiles (kb3436).

During creation of the SIP Trunkgroup, profile 'EWE / swb / osnatel NGN (DE)' has to be selected.

Important: From SwyxWare on, the provider profile for EWETEL is already available in the list of provider profiles and the CustomProviderProfiles.config is no longer necessary.

Codec configuration

During creation of the actual trunk, in the codec configuration dialog, T.38 has to be deselected as supported codec. This step could also be performed afterwards in the properties of the SIP trunk, underneath the 'Codecs' tab.

In order to assign incoming calls to the correct trunk, it is necessary to configure a SIP URI for the trunk during the creation of the actual trunk. The assigned number block and the numberformat must be considered.
Numberblock: +49 441 1234560 ... +49 441 1234569
In this case, the SIP URI must be entered in the format 49441123456*@*.
This configuration can also be made after the trunk was already created  in the properties of the SIP trunk, underneath the 'SIP-URIs' tab. In this case, the LinkMgr service has to be restarted.

Tested Features

  • Incoming/outgoing national calls
  • Incoming/outgoing international calls
  • Correct Calling Line Identification (CLI) on national and international calls
  • Holding and retrieving calls
  • Toggeling between two calls
  • Call transfer
  • Conferencing
  • Mutually supported codec:
    • G.711a
    • G.711u
  • Incoming/outgoing DTMF signaling in accordance with via RFC2833
  • FAX transmission via G.711


  • None

03/07/2017 with SwyxWare 2015 R40.3.0
20/11/2017 with SwyxWare

Overview of tested SIP provider


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.


Comment on this article

If we have any follow-up questions, where can we contact you?

E-Mail Address (optional)


This feedback form can't be used for support requests. Those requests must be directed to your Swyx reseller or distributor.