KI-AGENT: NAT Einstellungen für Telekom-Trunk ergänzen

backend/db/schema/telephony_trunks.ts

@@ -30,6 +30,9 @@ export const telephonyTrunks = pgTable(
         callerId: text("caller_id"),
         inboundExtension: text("inbound_extension").notNull().default("1001"),
         outboundPrefix: text("outbound_prefix").notNull().default("0"),
+        externalSignalingAddress: text("external_signaling_address"),
+        externalMediaAddress: text("external_media_address"),
+        localNetworks: text("local_networks"),
 
         createdAt: timestamp("created_at", { withTimezone: true })
             .notNull()