Update patch set 1
Patch Set 1: (1 comment) Patch-set: 1 CC: Gerrit User 1000010 <1000010@035e6965-6537-41bd-912c-053f3cf69326>
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{
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"comments": [
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{
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"unresolved": true,
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"key": {
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"uuid": "18eb9461_d96d7db9",
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"filename": "src/libmsc/codec_mapping.c",
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"patchSetId": 1
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},
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"lineNbr": 29,
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"author": {
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"id": 1000010
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},
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"writtenOn": "2022-11-13T15:49:03Z",
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"side": 1,
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"message": "I don\u0027t know for sure what the \u0027O\u0027 means, but according to 3GPP TS 45.002, section 3.2.1, O-TCH/F and O-TCH/H are full/half rate channels employing 8-PSK modulation (on \"normal\" TCH channels it\u0027s GMSK). Perhaps \u0027O\u0027 means \u0027Octal\u0027? An 8-PSK modulated burst carries three times more bits than a GMSK modulated burst, so you basically get three times higher bit rate. If I remember correctly, such channels are used for AMR-WB (wide band).",
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"range": {
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"startLine": 29,
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"startChar": 4,
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"endLine": 29,
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"endChar": 65
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},
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"revId": "9428e1a8484f00d7f45e98fbc04a46bb25f26caa",
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"serverId": "035e6965-6537-41bd-912c-053f3cf69326"
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}
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]
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}
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