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---
 .../Sms/Providers/SmscSmsProvider.php         | 84 +++++++++++++++++++
 app/tests/Unit/Sms/SmscSmsProviderTest.php    | 56 +++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 app/app/Services/Sms/Providers/SmscSmsProvider.php
 create mode 100644 app/tests/Unit/Sms/SmscSmsProviderTest.php

diff --git a/app/app/Services/Sms/Providers/SmscSmsProvider.php b/app/app/Services/Sms/Providers/SmscSmsProvider.php
new file mode 100644
index 00000000..b55904c5
--- /dev/null
+++ b/app/app/Services/Sms/Providers/SmscSmsProvider.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Sms\Providers;
+
+use App\Services\Sms\SmsOutgoing;
+use App\Services\Sms\SmsProvider;
+use App\Services\Sms\SmsSendException;
+use App\Services\Sms\SmsSendResult;
+use Carbon\CarbonImmutable;
+use Illuminate\Support\Facades\Http;
+use Throwable;
+
+/**
+ * Канал smsc.ru — универсал: доставляет любому оператору. Учётка та же, что
+ * уже используется для HLR-проверки номеров и плитки баланса (services.smsc).
+ *
+ * @param  array<int, string>  $serves
+ * @param  array<string, int>  $priceKopecks
+ */
+final class SmscSmsProvider implements SmsProvider
+{
+    private const SEND_URL = 'https://smsc.ru/sys/send.php';
+
+    public function __construct(
+        private readonly string $login,
+        private readonly string $password,
+        private readonly array $serves,
+        private readonly array $priceKopecks,
+    ) {}
+
+    public function key(): string
+    {
+        return 'smsc';
+    }
+
+    public function servesOperators(): array
+    {
+        return $this->serves;
+    }
+
+    public function priceKopecks(string $operator): int
+    {
+        return $this->priceKopecks[$operator] ?? $this->priceKopecks['*'] ?? 0;
+    }
+
+    public function send(SmsOutgoing $message): SmsSendResult
+    {
+        try {
+            $response = Http::get(self::SEND_URL, [
+                'login' => $this->login,
+                'psw' => $this->password,
+                'phones' => $message->phone,
+                'mes' => $message->body,
+                'sender' => $message->senderName,
+                'charset' => 'utf-8',
+                'fmt' => 3,
+            ]);
+        } catch (Throwable $e) {
+            throw new SmsSendException('smsc.ru недоступен: '.$e->getMessage(), terminal: false);
+        }
+
+        if ($response->serverError()) {
+            throw new SmsSendException('smsc.ru вернул '.$response->status(), terminal: false);
+        }
+
+        $body = (array) $response->json();
+
+        if (isset($body['error'])) {
+            throw new SmsSendException(
+                'smsc.ru отказал: '.(string) $body['error'],
+                terminal: true,
+            );
+        }
+
+        return new SmsSendResult(
+            providerMessageId: (string) ($body['id'] ?? ''),
+            segments: $message->segments,
+            costKopecks: $this->priceKopecks($message->operator) * $message->segments,
+            acceptedAt: CarbonImmutable::now(),
+        );
+    }
+}
diff --git a/app/tests/Unit/Sms/SmscSmsProviderTest.php b/app/tests/Unit/Sms/SmscSmsProviderTest.php
new file mode 100644
index 00000000..90b3360f
--- /dev/null
+++ b/app/tests/Unit/Sms/SmscSmsProviderTest.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Services\Sms\Providers\SmscSmsProvider;
+use App\Services\Sms\SmsOutgoing;
+use App\Services\Sms\SmsSendException;
+use Illuminate\Support\Facades\Http;
+
+function smsc_provider(): SmscSmsProvider
+{
+    return new SmscSmsProvider('login', 'secret', ['*'], ['*' => 300]);
+}
+
+function smsc_message(): SmsOutgoing
+{
+    return new SmsOutgoing(
+        phone: '79990000001',
+        body: 'Здравствуйте!',
+        senderName: 'liderra.ru',
+        operator: 'МегаФон',
+        segments: 1,
+    );
+}
+
+it('обслуживает всех как универсал', function () {
+    expect(smsc_provider()->servesOperators())->toBe(['*'])
+        ->and(smsc_provider()->key())->toBe('smsc');
+});
+
+it('успешная отправка возвращает id сообщения и цену по сегментам', function () {
+    Http::fake(['smsc.ru/*' => Http::response(['id' => 555, 'cnt' => 1], 200)]);
+
+    $result = smsc_provider()->send(smsc_message());
+
+    expect($result->providerMessageId)->toBe('555')
+        ->and($result->costKopecks)->toBe(300);
+});
+
+it('отказ smsc.ru бросает terminal-исключение', function () {
+    Http::fake(['smsc.ru/*' => Http::response(['error' => 'invalid number', 'error_code' => 7], 200)]);
+
+    expect(fn () => smsc_provider()->send(smsc_message()))
+        ->toThrow(SmsSendException::class);
+});
+
+it('сетевой сбой — не terminal (можно повторить)', function () {
+    Http::fake(['smsc.ru/*' => Http::response('', 500)]);
+
+    try {
+        smsc_provider()->send(smsc_message());
+        $this->fail('ожидалось SmsSendException');
+    } catch (SmsSendException $e) {
+        expect($e->terminal)->toBeFalse();
+    }
+});