15 lines
325 B
Plaintext
15 lines
325 B
Plaintext
FOSS in the Mobile World
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GSM A-bis interface
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BSC <-> BTS Interface
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is called A-bis
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has the following control layers on E1 TS1
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L2ML (Layer 2 Management)
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TEI management similar to ISDN
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OML (Organization & Maintenance)
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System parameters, events
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RSL (Radio Subsystem Layer)
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has encoded voice data (TRAU frames) on other E1 TS
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