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SIP Provider T-Mobile Austria (AT)

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The Business Voice SIP Trunk from T-Mobile Austria was first tested and released with a Swyxware 12.00

T-Mobile Austria is offering the Business Voice SIP Trunk with user authentication. You have received information about UserID, UserName and UserPassword, whereas the naming may differ, or you might have only received UserName and -password. In this case, UserID and UserName are identical. Besides, you need an IP address which was assigned by UPC and which gets connected to the SIP trunk.

The actual interoperability tests were performed by the company Data-Way, not by Swyx TAP.

Plattforms

SwyxWare
The Business Voice SIP Trunk from T-Mobile Austria can be used without restrictions with SwyxWare 12.00 or higher. When using an earlier version of SwyxWare, incompatibilities cannot be excluded and use is at your own responsibility.

SwyxON
The Business Voice SIP Trunk from T-Mobile Austria is not suitable for central connection in the data center due to its dependence on the assigned IP address.

Configuration

When creating the SIP trunk group, select the 'Magenta Business (AT)' profile. If the profile is not contained in the corresponding list, select the 'UPC Business (AT)' profile.
In order to assign incoming calls to the correct trunk, it is necessary to configure a SIP URI for the trunk. The assigned number block and the numberformat must be considered.
Example:
Numberblock: +43 662 1234560 ... +43 662 1234569
In this case, the SIP URI must be entered in the format 0662123456*@*.

On outgoing calls T-Mobile Austria changes some characteristica of the RTP stream call setup and call answering. This may lead to a oneway voicechannel if internal encryption is active. Therefore, in the tab "Encryption" of the SwyxServer properties, you have to deactivate internal encryption.

Exclude G.722 in the Codecs/Channel tab of the Trunk Properties dialog.

Support for feature CLIP No SCreening must explicitely be requested from T-Mobile Austria .

Support for T.38 and FAX transmission must explicitely be requested from T-Mobile Austria .

There is a dedicated Swyx profile for the Transcoding Gateway from T-Mobile Austria in order to transmit T.38 and DTMF. This must be activated on the UPC side when configuring the trunk.

Tested Features

  • Incoming/outgoing national calls
  • Incoming/outgoing international calls
  • Correct Calling Line Identificaion (CLI) on national and international calls
  • Holding and retrieving calls
  • Toggeling between two calls
  • Call transfer
  • Conferencing
  • Mutually supported codecs: G.711a/G.711µ/G.729/ T.38 for FAX Transmission
  • Incoming/outgoing DTMF signaling in accordance with via RFC2833
  • T.38 negotiation and FAX transmission

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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