11.243GPPGSM Transcoding and Rate Adaptation: Base Station System Equipment SpecificationTS
This European Telecommunication Standard (ETS) specifies the testing requirements and methods for GSM 900 and DCS 1800 Base Station Systems.
Unless otherwise specified, references to GSM also includes DCS1800.
This test specification covers the following functions in the BSS:
‑ definition of test points;
‑ speech coding/decoding;
‑ data rate adaption;
‑ speech and data transcoding with DTX;
‑ control of remote TRAU.
The tests in this document are based on the full set of GSM phase 2 ETSs. In cased of any inconsistency between this specification and the source specifications, the source specifications shall prevail.