diff --git a/apps/api/src/automations/automations.service.ts b/apps/api/src/automations/automations.service.ts
index d97779d..ebbfd36 100644
--- a/apps/api/src/automations/automations.service.ts
+++ b/apps/api/src/automations/automations.service.ts
@@ -578,7 +578,7 @@ export class AutomationsService {
     const channel: AutomationNotifyChannel = config.notifyChannel ?? 'app';
     const wantApp = channel === 'app' || channel === 'both';
     const wantSms = channel === 'sms' || channel === 'both';
-    const smsText = (config.body?.trim() || title).slice(0, 160);
+    const smsText = (config.body?.trim() || title).trim();
     const link = entityLink(ctx);
 
     if (config.notifyTarget === 'person') {
@@ -592,9 +592,16 @@ export class AutomationsService {
               select: { mobile: true, phone: true },
             })
           : null;
+        const leadId = ctx.leadId || (ctx.entityType === 'lead' ? ctx.entityId : null);
+        const lead = !person?.mobile && !person?.phone && leadId
+          ? await this.prisma.lead.findFirst({
+              where: { id: leadId, organizationId: ctx.organizationId },
+              select: { mobile: true, phone: true },
+            })
+          : null;
         await this.sendAutomationSms(
           ctx.organizationId,
-          person?.mobile || person?.phone,
+          person?.mobile || person?.phone || lead?.mobile || lead?.phone || ctx.mobile,
           smsText,
         );
       }
diff --git a/apps/api/src/message-automations/__tests__/message-automation.check.ts b/apps/api/src/message-automations/__tests__/message-automation.check.ts
index 394feda..7368eeb 100644
--- a/apps/api/src/message-automations/__tests__/message-automation.check.ts
+++ b/apps/api/src/message-automations/__tests__/message-automation.check.ts
@@ -56,7 +56,7 @@ function testTemplate() {
     }) === 'سلام علی 0912',
     'name phone vars',
   );
-  assert(clipSms('الف'.repeat(200)).length === 160, 'sms clip');
+  assert(clipSms('الف'.repeat(200)).length === 200, 'sms is not clipped');
 }
 
 testDelay();
diff --git a/apps/api/src/message-automations/message-automation.util.ts b/apps/api/src/message-automations/message-automation.util.ts
index 20e54e7..4bbbd24 100644
--- a/apps/api/src/message-automations/message-automation.util.ts
+++ b/apps/api/src/message-automations/message-automation.util.ts
@@ -17,7 +17,20 @@ export const MESSAGE_AUTOMATION_TRIGGERS = [
 ] as const;
 
 export const MAX_MESSAGE_REPEAT = 10;
-export const MAX_MESSAGE_SMS = 160;
+
+/** شمارهٔ مشتری: اول شخص، و اگر نبود شمارهٔ خود سرنخ. */
+export function customerPhone(
+  person: { mobile?: string | null; phone?: string | null } | null | undefined,
+  lead: { mobile?: string | null; phone?: string | null } | null | undefined,
+): string {
+  return (
+    person?.mobile?.trim() ||
+    person?.phone?.trim() ||
+    lead?.mobile?.trim() ||
+    lead?.phone?.trim() ||
+    ''
+  );
+}
 
 export function delayMs(value: number, unit: MessageDelayUnit): number {
   const n = Math.max(0, Math.trunc(Number(value) || 0));
@@ -92,10 +105,9 @@ export function applyMessageTemplate(
   });
 }
 
+/** متن کامل پیامک؛ بخش‌بندی و هزینه در درگاه حساب می‌شود. */
 export function clipSms(text: string): string {
-  const trimmed = text.trim();
-  if (trimmed.length <= MAX_MESSAGE_SMS) return trimmed;
-  return `${trimmed.slice(0, MAX_MESSAGE_SMS - 1)}…`;
+  return text.trim();
 }
 
 /** When this event happens, cancel leftover messages of these earlier triggers. */
diff --git a/apps/api/src/message-automations/message-automations.service.ts b/apps/api/src/message-automations/message-automations.service.ts
index 00f58e2..4b4f0b3 100644
--- a/apps/api/src/message-automations/message-automations.service.ts
+++ b/apps/api/src/message-automations/message-automations.service.ts
@@ -21,6 +21,7 @@ import {
   buildSendAts,
   cancelTriggersFor,
   clipSms,
+  customerPhone,
 } from './message-automation.util';
 
 export type MessageAutomationContext = {
@@ -354,13 +355,15 @@ export class MessageAutomationsService {
           },
         })
       : null;
+    const lead = await this.lookupLead(job);
     const personName = person
       ? [person.firstName, person.lastName].filter(Boolean).join(' ').trim()
       : '';
+    const phone = customerPhone(person, lead);
     const vars = {
       title: job.entityTitle,
-      name: personName || job.entityTitle,
-      phone: person?.mobile || person?.phone || '',
+      name: personName || lead?.contactName?.trim() || lead?.title || job.entityTitle,
+      phone,
       date: formatJalaliDayFa(new Date()),
       company: person?.company?.name ?? '',
     };
@@ -405,26 +408,59 @@ export class MessageAutomationsService {
     }
 
     if (targetPerson && wantSms) {
-      await this.sendSms(person?.mobile || person?.phone, smsText, {
+      if (!phone) {
+        throw new Error('شماره مشتری یا سرنخ برای پیامک پیدا نشد');
+      }
+      const sent = await this.sendSms(phone, smsText, {
         organizationId: job.organizationId,
         personId: job.personId,
+        leadId: lead?.id ?? null,
         ruleId: job.ruleId || job.rule.id || '',
       });
+      if (!sent) {
+        throw new Error('ارسال پیامک به مشتری یا سرنخ ناموفق بود');
+      }
     }
   }
 
+  /** سرنخ همان پرونده، یا سرنخی که به این شخص تبدیل شده. */
+  private async lookupLead(job: {
+    organizationId: string;
+    entityId: string;
+    personId: string | null;
+  }) {
+    return this.prisma.lead.findFirst({
+      where: {
+        organizationId: job.organizationId,
+        OR: [
+          { id: job.entityId },
+          ...(job.personId ? [{ convertedPersonId: job.personId }] : []),
+        ],
+      },
+      select: {
+        id: true,
+        mobile: true,
+        phone: true,
+        contactName: true,
+        title: true,
+      },
+      orderBy: { createdAt: 'desc' },
+    });
+  }
+
   private async sendSms(
     mobile: string | null | undefined,
     text: string,
     log: {
       organizationId: string;
       personId?: string | null;
+      leadId?: string | null;
       ruleId: string;
     },
-  ) {
-    if (!mobile) {
+  ): Promise<boolean> {
+    if (!mobile?.trim()) {
       this.logger.warn('Message automation SMS skipped: no mobile');
-      return;
+      return false;
     }
     const result = await this.sms.send({
       organizationId: log.organizationId,
@@ -432,10 +468,11 @@ export class MessageAutomationsService {
       text,
       source: 'automation',
     });
-    if (log.personId) {
+    if (log.personId || log.leadId) {
       await this.outboundSms.record({
         organizationId: log.organizationId,
         personId: log.personId,
+        leadId: log.leadId,
         mobile,
         body: text,
         source: 'automation',
@@ -448,7 +485,9 @@ export class MessageAutomationsService {
       this.logger.warn(
         `Message automation SMS failed: ${result.reason ?? 'unknown'}`,
       );
+      return false;
     }
+    return true;
   }
 
   private toData(
diff --git a/apps/api/test/message-automation.test.ts b/apps/api/test/message-automation.test.ts
index 5330437..a7dcb96 100644
--- a/apps/api/test/message-automation.test.ts
+++ b/apps/api/test/message-automation.test.ts
@@ -2,12 +2,12 @@ import { describe, it } from 'node:test';
 import assert from 'node:assert/strict';
 import {
   MAX_MESSAGE_REPEAT,
-  MAX_MESSAGE_SMS,
   addDelay,
   applyMessageTemplate,
   buildSendAts,
   cancelTriggersFor,
   clipSms,
+  customerPhone,
   delayMs,
 } from '../src/message-automations/message-automation.util';
 
@@ -40,14 +40,28 @@ describe('اتوماسیون پیام', () => {
     assert.equal(applyMessageTemplate('{ name }', { name: 'x' }), 'x');
   });
 
-  it('کوتاه کردن پیامک', () => {
+  it('متن پیامک بریده نمی‌شود', () => {
     const long = 'ا'.repeat(200);
-    const clipped = clipSms(long);
-    assert.equal(clipped.length, MAX_MESSAGE_SMS);
-    assert.ok(clipped.endsWith('…'));
+    assert.equal(clipSms(long), long);
     assert.equal(clipSms('  کوتاه  '), 'کوتاه');
   });
 
+  it('شماره سرنخ جای شماره مشتری می‌نشیند', () => {
+    assert.equal(
+      customerPhone(null, { mobile: '09120000000' }),
+      '09120000000',
+    );
+    assert.equal(
+      customerPhone({ mobile: '', phone: null }, { mobile: '09121111111', phone: '021' }),
+      '09121111111',
+    );
+    assert.equal(
+      customerPhone({ mobile: '09123333333' }, { mobile: '09124444444' }),
+      '09123333333',
+    );
+    assert.equal(customerPhone(null, null), '');
+  });
+
   it('لغو پیام‌های قبلی', () => {
     assert.deepEqual(cancelTriggersFor('invoice_paid'), ['invoice_issued']);
     assert.deepEqual(cancelTriggersFor('deal_won'), ['deal_created', 'deal_stage_changed']);