diff --git a/trunk-recorder/call_concluder/call_concluder.cc b/trunk-recorder/call_concluder/call_concluder.cc
index 4495343f2..1279e96df 100644
--- a/trunk-recorder/call_concluder/call_concluder.cc
+++ b/trunk-recorder/call_concluder/call_concluder.cc
@@ -64,6 +64,8 @@ int create_call_json(Call_Data_t& call_info) {
           {"freq_error", int(call_info.freq_error)},
           {"signal", int(call_info.signal)},
           {"noise", int(call_info.noise)},
+          {"source_num", int(call_info.source_num)},
+          {"recorder_num", int(call_info.recorder_num)},
           {"tdma_slot", int(call_info.tdma_slot)},
           {"phase2_tdma", int(call_info.phase2_tdma)},
           {"start_time", call_info.start_time},
@@ -308,6 +310,8 @@ Call_Data_t Call_Concluder::create_call_data(Call *call, System *sys, Config con
   call_info.freq_error = call->get_freq_error();
   call_info.signal = call->get_signal();
   call_info.noise = call->get_noise();
+  call_info.recorder_num = call->get_recorder()->get_num();
+  call_info.source_num = call->get_recorder()->get_source()->get_num();
   call_info.encrypted = call->get_encrypted();
   call_info.emergency = call->get_emergency();
   call_info.priority = call->get_priority();
diff --git a/trunk-recorder/global_structs.h b/trunk-recorder/global_structs.h
index 27cadaf95..5c4930225 100644
--- a/trunk-recorder/global_structs.h
+++ b/trunk-recorder/global_structs.h
@@ -99,6 +99,8 @@ struct Call_Data_t {
   long call_num;
   double freq;
   int freq_error;
+  int source_num;
+  int recorder_num;
   double signal;
   double noise;
   long start_time;