<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="32" height="32">
  <!-- Fondo de la cabina telefónica -->
  <rect x="6" y="4" width="20" height="26" rx="2" fill="#1e40af" stroke="#1e3a8a" stroke-width="1"/>

  <!-- Ventana superior -->
  <rect x="8" y="6" width="16" height="8" rx="1" fill="#dbeafe" stroke="#3b82f6" stroke-width="0.5"/>

  <!-- Teléfono -->
  <rect x="9" y="16" width="14" height="10" rx="2" fill="#374151" stroke="#1f2937" stroke-width="0.5"/>

  <!-- Pantalla del teléfono -->
  <rect x="10" y="17" width="12" height="6" rx="1" fill="#10b981" stroke="#059669" stroke-width="0.5"/>

  <!-- Botones del teléfono -->
  <circle cx="12" cy="25" r="1" fill="#6b7280"/>
  <circle cx="16" cy="25" r="1" fill="#6b7280"/>
  <circle cx="20" cy="25" r="1" fill="#6b7280"/>

  <!-- Auricular -->
  <rect x="13" y="18" width="6" height="2" rx="1" fill="#1f2937"/>

  <!-- Logo/Texto indicador -->
  <text x="16" y="20" text-anchor="middle" font-family="Arial, sans-serif" font-size="3" fill="#ffffff" font-weight="bold">MPB</text>

  <!-- Base -->
  <rect x="4" y="28" width="24" height="2" rx="1" fill="#374151"/>
</svg>
