diff --git a/apps/api/src/contacts/normalize.ts b/apps/api/src/contacts/normalize.ts
index f84c65f..bbd4ded 100644
--- a/apps/api/src/contacts/normalize.ts
+++ b/apps/api/src/contacts/normalize.ts
@@ -1,19 +1,29 @@
-export function emptyToNull(value?: string | null): string | null {

-  if (value == null) return null;

-  const trimmed = value.trim();

-  return trimmed.length ? trimmed : null;

-}

-

-export function normalizeEmail(value?: string | null): string | null {

-  const v = emptyToNull(value);

-  return v ? v.toLowerCase() : null;

-}

-

-/** Keep digits and leading + for Iranian/international numbers. */

-export function normalizePhone(value?: string | null): string | null {

-  const v = emptyToNull(value);

-  if (!v) return null;

-  const cleaned = v.replace(/[^\d+]/g, '');

-  return cleaned.length ? cleaned : null;

-}

-
\ No newline at end of file
+export function emptyToNull(value?: string | null): string | null {
+  if (value == null) return null;
+  const trimmed = value.trim();
+  return trimmed.length ? trimmed : null;
+}
+
+export function normalizeEmail(value?: string | null): string | null {
+  const v = emptyToNull(value);
+  return v ? v.toLowerCase() : null;
+}
+
+const FA_DIGITS = '۰۱۲۳۴۵۶۷۸۹';
+const AR_DIGITS = '٠١٢٣٤٥٦٧٨٩';
+
+/** ارقام فارسی و عربی را به لاتین برمی‌گرداند تا از شماره حذف نشوند. */
+function latinDigits(value: string): string {
+  return value.replace(/[۰-۹٠-٩]/g, (ch) => {
+    const fa = FA_DIGITS.indexOf(ch);
+    return String(fa >= 0 ? fa : AR_DIGITS.indexOf(ch));
+  });
+}
+
+/** Keep digits and leading + for Iranian/international numbers. */
+export function normalizePhone(value?: string | null): string | null {
+  const v = emptyToNull(value);
+  if (!v) return null;
+  const cleaned = latinDigits(v).replace(/[^\d+]/g, '');
+  return cleaned.length ? cleaned : null;
+}