RSPRO » History » Version 2
laforge, 07/25/2022 08:11 AM
gitea
| 1 | 1 | laforge | h1. RSPRO |
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| 2 | |||
| 3 | RSPRO is the Remote SIM PROtocol, which is used between the osmo-remsim components (bankd, client, server). |
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| 5 | It is a binary protocol running inside TCP, with an IPA ("GSM over IP") multiplex layer in between. |
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| 7 | The actual protocol is described in ASN.1 and uses BER encoding. |
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| 9 | 2 | laforge | The ASN.1 syntax can be found inside the osmo-remsim.git repository, see https://gitea.osmocom.org/sim-card/osmo-remsim/src/branch/master/asn1/RSPRO.asn |
| 10 | 1 | laforge | |
| 11 | h2. Wireshark dissector |
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| 13 | 2 | laforge | There is a (currently experimental) wireshark dissector available at https://gitea.osmocom.org/osmocom/wireshark/src/branch/laforge/rspro which we aim to eventually merge to master. |
| 14 | 1 | laforge | |
| 15 | You have to manually select "Decode as..." "GSM over IP" for TCP port 9999 and 9998 in order to get the decode. |
