diff --git a/openbsc/doc/examples/osmo-nitb/nokia/openbsc_nokia_3trx.cfg b/openbsc/doc/examples/osmo-nitb/nokia/openbsc_nokia_3trx.cfg
new file mode 100644
index 0000000..a7d980f
--- /dev/null
+++ b/openbsc/doc/examples/osmo-nitb/nokia/openbsc_nokia_3trx.cfg
@@ -0,0 +1,118 @@
+!
+! OpenBSC configuration saved from vty
+!   !
+password foo
+!
+line vty
+ no login
+!
+e1_input
+ e1_line 0 driver misdn
+network
+ network country code 1
+ mobile network code 1
+ short name OpenBSC
+ long name OpenBSC
+ auth policy accept-all
+ timer t3101 10
+ timer t3113 60
+ bts 0
+  type nokia_site
+  band GSM1800
+  cell_identity 1
+  location_area_code 1
+  base_station_id_code 63
+  training_sequence_code 7
+  
+  oml e1 line 0 timeslot 1 sub-slot full
+  oml e1 tei 1
+  
+  trx 0
+   arfcn 866
+   max_power_red 24
+   rsl e1 line 0 timeslot 2 sub-slot full
+   rsl e1 tei 1
+    timeslot 0
+     phys_chan_config CCCH+SDCCH4
+     e1 line 0 timeslot 6 sub-slot full
+    timeslot 1
+     phys_chan_config SDCCH8
+     e1 line 0 timeslot 6 sub-slot 1
+    timeslot 2
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 6 sub-slot 2
+    timeslot 3
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 6 sub-slot 3
+    timeslot 4
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 7 sub-slot 0
+    timeslot 5
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 7 sub-slot 1
+    timeslot 6
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 7 sub-slot 2
+    timeslot 7
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 7 sub-slot 3
+
+  trx 1
+   arfcn 870
+   max_power_red 24
+   rsl e1 line 0 timeslot 3 sub-slot full
+   rsl e1 tei 2
+    timeslot 0
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 8 sub-slot 0
+    timeslot 1
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 8 sub-slot 1
+    timeslot 2
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 8 sub-slot 2
+    timeslot 3
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 8 sub-slot 3
+    timeslot 4
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 9 sub-slot 0
+    timeslot 5
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 9 sub-slot 1
+    timeslot 6
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 9 sub-slot 2
+    timeslot 7
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 9 sub-slot 3
+
+  trx 2
+   arfcn 874
+   max_power_red 24
+   rsl e1 line 0 timeslot 4 sub-slot full
+   rsl e1 tei 3
+    timeslot 0
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 10 sub-slot 0
+    timeslot 1
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 10 sub-slot 1
+    timeslot 2
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 10 sub-slot 2
+    timeslot 3
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 10 sub-slot 3
+    timeslot 4
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 11 sub-slot 0
+    timeslot 5
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 11 sub-slot 1
+    timeslot 6
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 11 sub-slot 2
+    timeslot 7
+     phys_chan_config TCH/F
+     e1 line 0 timeslot 11 sub-slot 3