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Feature #4535

Develop "E1/Abis generator"

Added by laforge about 1 month ago.

Status:
In Progress
Priority:
High
Assignee:
Category:
-
Target version:
-
Start date:
05/05/2020
Due date:
% Done:

0%


Description

This will then provide a E1 line with 16k (and possibly 8k) sub-slots and TRAU frames for the different voice codecs via libosmo-abis.

It will enable development and testing of osmo-mgw without any external dependencies.

I am also considering to include a RTP to E1 conversion inside that generator, so that a test caes could send an RTP packet to the e1-gen, which would turn it into a TRAU frame that appears on a sub-slot of an E1 timeslot, which then subsquently travels into osmo-mgw, which will perform the inverse operation and re-create a RTP packet. The test suite could then compare the two RTP packets.

Details will be worked out on-the-fly. Right now I'm mainly workin at the I.460 subchannel mux/deumux as well as TRAU frame alignment for all of the modes/codecs.


Related issues

Precedes OsmoMGW - Feature #2547: Add E1/T1 endpoint type to osmo-mgwStalled05/06/202005/06/2020

History

#1 Updated by laforge about 1 month ago

  • Precedes Feature #2547: Add E1/T1 endpoint type to osmo-mgw added

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