chore(ui): replace specific examples with generic placeholders and generalize phone and gateway brands

src/ConfigGenerator.php

@@ -327,7 +327,7 @@ class ConfigGenerator
                 $lines[] = "transport = {$transport}";
 
                 if ($regMode === 'receive') {
-                    // Passerelle locale (ex: Grandstream HT813, Livebox, ATA) s'enregistrant sur Asterisk
+                    // Passerelle locale (ex: Grandstream HT813, Cisco SPA, ATA, Ligne Box) s'enregistrant sur Asterisk
                     $lines[] = "auth = {$authName}";
                     $lines[] = "outbound_auth = {$authName}";
                     $lines[] = "aors = {$aorName}";