Add fieldpoc

docs/fieldpoc.md

@@ -0,0 +1,29 @@
+# FieldPOC
+
+A simple to use, good enough phone system for medium sized DECT networks.
+
+## Setup
+
+### Open AXI port on OMM
+
+```text
+ssh omm@$omm
+ommconsole
+cnf sys uap on
+```
+
+### Generate secrets
+
+example `secrets.yaml`:
+
+```yaml
+fieldpoc:
+    omm: s0m3Pa55w0rd
+    sip: 000102030405060708090a0b0c0d0e0f
+```
+
+sipsecret **must** be a 32 character long hexadecimal string.
+
+```bash
+nix run nixpkgs#openssl -- rand -hex 16
+```