The Voice Business SIP Trunk from 1&1 Versatel was first tested and released with SwyxWare 188.8.131.52.
The Voice Business SIP Trunk from 1&1 Versatel can only be used on Internet connections provided by 1&1 Versatel. The Voice Business SIP Trunk from 1&1 Versatel is a SIP Trunk with user authentication, i.e. you receive information on user ID, user name and password. The names may differ, or you may only receive a name or ID with password. In this case the user ID is identical to the user name when configuring the SIP trunk in SwyxWare.
The Voice Business SIP Trunk from 1&1 Versatel can be used from SwyxWare 184.108.40.206 on. It has to be considered that the profile for 1&1 Versatel from older SwyxWare versions is outdated and should not be used. When using an earlier version of SwyxWare with an outdated profile, incompatibilities cannot be excluded and use is at your own risk.
The Voice Business SIP Trunk from 1&1 Versatel is not suitable for central connection in the data center due to the dependency from the internet access.
When creating the SIP trunk group, select the profile '1und1 Versatel (DE)'. At least SwyxWare 220.127.116.11 has to be used, older SwyxWare versions have an outdated profile that should not be used.
After creating the trunk group, in the property settings of the trunk group, on tab 'Profile', it is necessary to to add special number replacement rules. The following rules need to be added for inbound, calling party:
00* -> +*
+* -> +*
0* -> +[cc]*
* -> +[cc][ac]*
When creating the actual SIP trunk, a SIP URI must be entered after configuration of the phone number range so that incoming calls can be assigned. The assigned number block must be taken into account in the correct format.
Number block: +49 231 9988776600 ... +49 231 9988776699
In this case, the SIP URI must be entered in the format 004923199887766*@*.
In the properties of the SIP Trunk, tab 'Number Signalling', the following configuration is recommended:
Originator's number - if assigned to the trunk, otherwise:
Number of the transferor
- Incoming/outgoing national calls
- Correct Calling Line Identification (CLI) on national and calls
- Holding and retrieving calls
- Toggeling between two calls
- Call transfer
- Mutually supported codecs: G.722/G.711a/G.711u/G.729
- Incoming/outgoing DTMF signaling in accordance with via RFC2833
- FAX transmission via T.38
CLIP No Screening is not being supported in combination with the Voice Business SIP Trunk from 1&1 Versatel
02/10/2018 with SwyxWare 18.104.22.168
Verifying interoperability between different SIP providers and the Swyx solution is part of the Enreach Technology Alliance Programme (TAP) tasks. Due to different implementations of the SIP RFCs, it is necessary to determine and provide an individual configuration for each SIP provider.
Within the TAP, Enreach tests a large number of national and international SIP providers in order to make statements about the interoperability with the Swyx solution and the functional scope of the respective SIP trunk. These results and, if needed, configuration advice are published in Help Center articles.
Enreach is in close contact with selected SIP providers to ensure a quick troubleshooting in case of incompatibilities. In addition, tests are repeated at regular intervals to ensure consistent quality.
Despite regular retests it cannot be excluded that incompatibilities with the Swyx solution may occur due to changes in the SIP connection on the provider side or that the provided profile is no longer valid. After creating the trunk group or SIP trunk, the profile settings should be compared with the provider's information and adjusted accordingly in case of deviations.
However, should incompatibilities or problems occur with a tested SIP trunk, no claims for recourse against Enreach GmbH can be derived from this. In such cases, you can contact Enreach Support via your specialist dealer.
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.