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Diffstat (limited to 'OsmoBSC/chapters/alink.adoc')
| -rw-r--r-- | OsmoBSC/chapters/alink.adoc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/OsmoBSC/chapters/alink.adoc b/OsmoBSC/chapters/alink.adoc new file mode 100644 index 0000000..37e64c0 --- /dev/null +++ b/OsmoBSC/chapters/alink.adoc @@ -0,0 +1,15 @@ +== A-link including SCCP/BSSAP/DTAP + +OsmoBSC implements a minimal sub-set of the GSM A interface as specified +in TS 08.08. + +Unlike classic A interface implementations for E1 interfacs, OsmoBSC +implements a variant of encapsulating the A interface over IP. To do +so, the SCCP messages are wrapped in an IPA multiplex and then +communicated over TCP. The audio channels are mapped to RTP streams. + +This protcol stacking is sometimes called "SCCPlite". + +=== + +FIXME |