diff --git a/internal/tui/model.go b/internal/tui/model.go
index 60ab3c5..52d69e1 100644
--- a/internal/tui/model.go
+++ b/internal/tui/model.go
@@ -629,20 +629,32 @@ func (m Model) renderCallDetail() string {
 	b.WriteString(fmt.Sprintf("State: %s\n", flow.State))
 	b.WriteString(fmt.Sprintf("Packets: %d\n\n", len(flow.Packets)))
 
+	// Network Summary Section
+	b.WriteString("Network Layer:\n")
+	// Find first packet to get initial IPs
+	if len(flow.Packets) > 0 {
+		first := flow.Packets[0]
+		srcLabel := m.networkMap.LabelForIP(first.SourceIP)
+		dstLabel := m.networkMap.LabelForIP(first.DestIP)
+
+		b.WriteString(fmt.Sprintf("  Source:      %s (%s:%d)\n", srcLabel, first.SourceIP, first.SourcePort))
+		b.WriteString(fmt.Sprintf("  Destination: %s (%s:%d)\n", dstLabel, first.DestIP, first.DestPort))
+	}
+	b.WriteString("\n")
+
 	b.WriteString("Transaction Flow:\n")
 	for i, pkt := range flow.Packets {
 		arrow := "→"
-		if !pkt.IsRequest {
+		// Simple direction indicator based on whether it matches initial source
+		if len(flow.Packets) > 0 && pkt.SourceIP != flow.Packets[0].SourceIP {
 			arrow = "←"
 		}
 
 		// Format timestamp
 		ts := pkt.Timestamp.Format("15:04:05.000")
 
-		// Detailed packet info line
-		b.WriteString(fmt.Sprintf("  %d. [%s] %s %s %s:%d -> %s:%d\n",
-			i+1, ts, arrow, pkt.Summary(),
-			pkt.SourceIP, pkt.SourcePort, pkt.DestIP, pkt.DestPort))
+		// Clean packet info line (Timestamp + Arrow + Method/Status)
+		b.WriteString(fmt.Sprintf("  %d. [%s] %s %s\n", i+1, ts, arrow, pkt.Summary()))
 
 		// Show SDP info if present
 		if pkt.SDP != nil {
diff --git a/logs/2026-01-19_14-32-58.log b/logs/2026-01-19_14-32-58.log
index 359a7ed..3f46cbf 100644
--- a/logs/2026-01-19_14-32-58.log
+++ b/logs/2026-01-19_14-32-58.log
@@ -173,3 +173,4 @@
 [14:33:09.310] [DEBUG] PcapReader: Packet 24 detected as SIP, parsing...
 [14:33:09.312] [INFO] PcapReader: Found SIP packet 24: 200 e9270b7c047542ef9af488d27b82162e
 [14:33:09.314] [INFO] PcapReader: Finished reading. Total packets: 24, SIP packets: 24
+[14:35:22.258] [INFO] Telephony Inspector exited normally