diff --git a/network/BaseNetwork.h b/network/BaseNetwork.h
index f38b3f0b..ba5dd776 100644
--- a/network/BaseNetwork.h
+++ b/network/BaseNetwork.h
@@ -85,35 +85,35 @@ namespace network
 
     // P25 V.24 LDU1 Encapsulation Frames
     const uint8_t LDU1_REC62[] = {  // IMBE Voice 1
-        // ID                                                                 IMBE Voice
-        0x62U, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x12U, 0x64U, 0x00U, 0x00U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U };
+        // ID         RT Md  St/Sp  Type   ICW    RSSI                        IMBE Voice                                                                   Source
+        0x62U, 0x02U, 0x04U, 0x0CU, 0x0BU, 0x1BU, 0x64U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC63[] = {  // IMBE Voice 2
-        // ID  IMBE Voice                                                                          Status
+        // ID  IMBE Voice                                                                          Source
         0x63U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC64[] = {  // IMBE Voice 3 + Link Control
-        // ID  Link Control                IMBE Voice                                                                   Status
+        // ID  LCO    MFId   SvcOp         IMBE Voice                                                                   Status
         0x64U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC65[] = {  // IMBE Voice 4 + Link Control
-        // ID  Link Control                IMBE Voice                                                                   Status
+        // ID  Destination ID              IMBE Voice                                                                   Status
         0x65U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC66[] = {  // IMBE Voice 5 + Link Control
-        // ID  Link Control                IMBE Voice                                                                   Status
+        // ID  Source ID                   IMBE Voice                                                                   Status
         0x66U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC67[] = {  // IMBE Voice 6 + Link Control
-        // ID  Link Control                IMBE Voice                                                                   Status
+        // ID                              IMBE Voice                                                                   Status
         0x67U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC68[] = {  // IMBE Voice 7 + Link Control
-        // ID  Link Control                IMBE Voice                                                                   Status
+        // ID                              IMBE Voice                                                                   Status
         0x68U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC69[] = {  // IMBE Voice 8 + Link Control
-        // ID  Link Control                IMBE Voice                                                                   Status
+        // ID                              IMBE Voice                                                                   Status
         0x69U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU1_REC6A[] = {  // IMBE Voice 9 + Low Speed Data
@@ -122,27 +122,27 @@ namespace network
 
     // P25 V.24 LDU2 Encapsulation Frames
     const uint8_t LDU2_REC6B[] = {  // IMBE Voice 10
-        // ID                                                                 IMBE Voice
-        0x6BU, 0x02U, 0x02U, 0x0CU, 0x0BU, 0x12U, 0x64U, 0x00U, 0x00U, 0x80U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U };
+        // ID         RT Md  St/Sp  Type   ICW    RSSI                        IMBE Voice
+        0x6BU, 0x02U, 0x04U, 0x0CU, 0x0BU, 0x1BU, 0x64U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U };
 
     const uint8_t LDU2_REC6C[] = {  // IMBE Voice 11
         // ID  IMBE Voice                                                                          Status
         0x6CU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
-    const uint8_t LDU2_REC6D[] = {  // IMBE Voice 12 + Encryption Sync
-        // ID  Encryption Sync             IMBE Voice                                                                   Status
+    const uint8_t LDU2_REC6D[] = {  // IMBE Voice 12 + Encryption Message Indicator
+        // ID  Encryption MI               IMBE Voice                                                                   Status
         0x6DU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
-    const uint8_t LDU2_REC6E[] = {  // IMBE Voice 13 + Encryption Sync
-        // ID  Encryption Sync             IMBE Voice                                                                   Status
+    const uint8_t LDU2_REC6E[] = {  // IMBE Voice 13 + Encryption Message Indicator
+        // ID  Encryption MI               IMBE Voice                                                                   Status
         0x6EU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
-    const uint8_t LDU2_REC6F[] = {  // IMBE Voice 14 + Encryption Sync
-        // ID  Encryption Sync             IMBE Voice                                                                   Status
+    const uint8_t LDU2_REC6F[] = {  // IMBE Voice 14 + Encryption Message Indicator
+        // ID  Encryption MI               IMBE Voice                                                                   Status
         0x6FU, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
-    const uint8_t LDU2_REC70[] = {  // IMBE Voice 15 + Encryption Sync
-        // ID  Encryption Sync             IMBE Voice                                                                   Status
+    const uint8_t LDU2_REC70[] = {  // IMBE Voice 15 + Encryption Algorithm & Key ID
+        // ID  AlgId  KID    KID           IMBE Voice                                                                   Status
         0x70U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x02U };
 
     const uint8_t LDU2_REC71[] = {  // IMBE Voice 16 + Encryption Sync