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Feature #5482
openVoWiFi client for creating [outer] IPsec tunnel to ePDG
Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
03/07/2022
Due date:
% Done:
40%
Description
For VoWiFi, we need an IPsec implementation that has been extended with the requirements for the 3GPP SWu interface, specifically
- the EAP-AKA mechanism for UMTS-AKA based authentication
- some external interface to access a USIM for authentication
We've been evaluating two different paths here:
- https://github.com/fasferraz/SWu-IKEv2 - rather hackish python codebase, laforge had difficulties getting it to work with at least two IMS operators
- a slightly modified version of strongswan. domi has been doing some development about this. laforge had more success with this, at least to establish the SWu tunnel successfully once - it then failed in subsequent operations.
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