diff --git a/cmd/main.go b/cmd/main.go
index a6f8826..241b6ea 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -7,6 +7,7 @@ import (
 	"os/signal"
 	"smpp-otp/internal/config"
 	"smpp-otp/internal/delivery/routers"
+	smpp "smpp-otp/internal/infrastructure"
 	"smpp-otp/internal/repository"
 	"smpp-otp/internal/service"
 	db "smpp-otp/pkg/database"
@@ -31,8 +32,15 @@ func main() {
 		logger.ErrorLogger.Error("failed to initialize database: %v", err)
 		os.Exit(1)
 	}
+
+	smppClient, err := smpp.NewSMPPClient(cfg)
+	if err != nil {
+		logger.ErrorLogger.Error("failed to initialize SMPP client: %v", err)
+		os.Exit(1)
+	}
+
 	repo := repository.NewOTPRepository(database.GetClient(), logger)
-	otpService := service.NewOTPService(repo, logger)
+	otpService := service.NewOTPService(repo, logger, cfg, smppClient)
 
 	r := routers.SetupOTPRoutes(otpService, logger)
 
diff --git a/go.mod b/go.mod
index 3113f3f..ded11ee 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,17 @@ module smpp-otp
 go 1.21.5
 
 require (
-	github.com/BurntSushi/toml v1.2.1 // indirect
+	github.com/fiorix/go-smpp v0.0.0-20210403173735-2894b96e70ba
+	github.com/go-chi/chi/v5 v5.0.12
+	github.com/go-redis/redis v6.15.9+incompatible
+	github.com/ilyakaznacheev/cleanenv v1.5.0
+)
+
+require (
+	github.com/BurntSushi/toml v1.3.2 // indirect
 	github.com/go-chi/chi v1.5.5 // indirect
-	github.com/go-chi/chi/v5 v5.0.12 // indirect
-	github.com/go-redis/redis v6.15.9+incompatible // indirect
-	github.com/ilyakaznacheev/cleanenv v1.5.0 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 // indirect
 )
diff --git a/go.sum b/go.sum
index 7774e5b..4d8b244 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,11 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.2.1 h1:9F2/+DoOYIOksmaJFPw1tGFy1eDnIJXg+UHjuD8lTak=
 github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
+github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/fiorix/go-smpp v0.0.0-20210403173735-2894b96e70ba h1:vBqABUa2HUSc6tj22Tw+ZMVGHuBzKtljM38kbRanmrM=
+github.com/fiorix/go-smpp v0.0.0-20210403173735-2894b96e70ba/go.mod h1:VfKFK7fGeCP81xEhbrOqUEh45n73Yy6jaPWwTVbxprI=
 github.com/go-chi/chi v1.5.5 h1:vOB/HbEMt9QqBqErz07QehcOKHaWFtuj87tTDVz2qXE=
 github.com/go-chi/chi v1.5.5/go.mod h1:C9JqLr3tIYjDOZpzn+BCuxY8z8vmca43EeMgyZt7irw=
 github.com/go-chi/chi/v5 v5.0.12 h1:9euLV5sTrTNTRUU9POmDUvfxyj6LAABLUcEWO+JJb4s=
@@ -10,7 +16,18 @@ github.com/ilyakaznacheev/cleanenv v1.5.0 h1:0VNZXggJE2OYdXE87bfSSwGxeiGt9moSR2l
 github.com/ilyakaznacheev/cleanenv v1.5.0/go.mod h1:a5aDzaJrLCQZsazHol1w8InnDcOX0OColm64SlIi6gk=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
+github.com/urfave/cli v1.22.5/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 h1:slmdOY3vp8a7KQbHkL+FLbvbkgMqmXojpFUO/jENuqQ=
diff --git a/internal/infrastructure/interfaces/smpp.go b/internal/infrastructure/interfaces/smpp.go
new file mode 100644
index 0000000..9224426
--- /dev/null
+++ b/internal/infrastructure/interfaces/smpp.go
@@ -0,0 +1,7 @@
+package smpp
+
+import "smpp-otp/internal/config"
+
+type SMPPClient interface {
+	SendSMS(cfg *config.Config, dest, text string) error
+}
diff --git a/internal/infrastructure/smpp.go b/internal/infrastructure/smpp.go
new file mode 100644
index 0000000..0cac8ac
--- /dev/null
+++ b/internal/infrastructure/smpp.go
@@ -0,0 +1,53 @@
+package smpp
+
+import (
+	"log"
+	"smpp-otp/internal/config"
+
+	"github.com/fiorix/go-smpp/smpp"
+	"github.com/fiorix/go-smpp/smpp/pdu"
+	"github.com/fiorix/go-smpp/smpp/pdu/pdutext"
+)
+
+type SMPPClient struct {
+	Transceiver *smpp.Transceiver
+}
+
+func NewSMPPClient(cfg *config.Config) (*SMPPClient, error) {
+	smppCfg := cfg.SMPP
+	tx := &smpp.Transceiver{
+		Addr:    smppCfg.Addr,
+		User:    smppCfg.User,
+		Passwd:  smppCfg.Pass,
+		Handler: func(p pdu.Body) {},
+	}
+
+	connStatus := tx.Bind()
+	go func() {
+		for c := range connStatus {
+			if c.Status() != smpp.Connected {
+				log.Println("Failed to connect:", c.Error())
+			}
+		}
+	}()
+
+	return &SMPPClient{Transceiver: tx}, nil
+}
+
+func (c *SMPPClient) SendSMS(cfg *config.Config, dest, text string) error {
+	src := cfg.SMPP.Src_Phone_Number
+	params := &smpp.ShortMessage{
+		Src:      src,
+		Dst:      dest,
+		Text:     pdutext.Raw(text),
+		Register: 0, // No delivery receipt
+	}
+	resp, err := c.Transceiver.Submit(params)
+	if err != nil {
+		log.Println("Failed to send SMS:", err)
+		return err
+	}
+
+	log.Println("SMS sent successfully, response:", resp)
+	return nil
+}
diff --git a/internal/service/smpp-otp-service.go b/internal/service/smpp-otp-service.go
index 18e356d..ee06dc7 100644
--- a/internal/service/smpp-otp-service.go
+++ b/internal/service/smpp-otp-service.go
@@ -3,6 +3,8 @@ package service
 import (
 	"fmt"
 	"math/rand"
+	"smpp-otp/internal/config"
+	smpp "smpp-otp/internal/infrastructure/interfaces"
 	repository "smpp-otp/internal/repository/interfaces"
 	"smpp-otp/pkg/lib/logger"
 	"time"
@@ -11,10 +13,12 @@ import (
 type OTPService struct {
 	repository repository.OTPRepository
 	logger     *logger.Loggers
+	cfg        *config.Config
+	smppClient smpp.SMPPClient
 }
 
-func NewOTPService(repo repository.OTPRepository, logger *logger.Loggers) OTPService {
-	return OTPService{repository: repo, logger: logger}
+func NewOTPService(repo repository.OTPRepository, logger *logger.Loggers, cfg *config.Config, smppClient smpp.SMPPClient) OTPService {
+	return OTPService{repository: repo, logger: logger, cfg: cfg, smppClient: smppClient}
 }
 
 func GenerateOTP() string {
@@ -30,6 +34,13 @@ func (s *OTPService) GenerateAndSaveOTP(phoneNumber string) error {
 		s.logger.ErrorLogger.Error("Error saving OTP to repository: %v", err)
 		return err
 	}
+
+	err = s.smppClient.SendSMS(s.cfg, phoneNumber, otp)
+	if err != nil {
+		s.logger.ErrorLogger.Error("Error sending OTP via SMS: %v", err)
+		return err
+	}
+
 	return nil
 }
 
diff --git a/logs/Error.log b/logs/Error.log
index 68bc19f..4dd7acb 100644
--- a/logs/Error.log
+++ b/logs/Error.log
@@ -1,3 +1,4 @@
 time=2024-03-28T00:07:01.216+05:00 level=ERROR msg="Error retrieving OTP timestamp from repository: %v" !BADKEY="redis: nil"
 time=2024-03-28T00:09:57.336+05:00 level=ERROR msg="Error retrieving OTP timestamp from repository: %v" !BADKEY="redis: nil"
 time=2024-03-28T00:19:15.421+05:00 level=ERROR msg="Error retrieving OTP timestamp from repository: %v" !BADKEY="redis: nil"
+time=2024-03-28T15:52:19.482+05:00 level=ERROR msg="Server failed to start:" !BADKEY="listen tcp 127.0.0.1:8080: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted."
diff --git a/logs/Info.log b/logs/Info.log
index d19c959..c76c483 100644
--- a/logs/Info.log
+++ b/logs/Info.log
@@ -1,9 +1,13 @@
-time=2024-03-27T23:24:15.715+05:00 level=INFO msg="Shutting down the server gracefully..."
-time=2024-03-27T23:31:35.765+05:00 level=INFO msg="Shutting down the server gracefully..."
-time=2024-03-27T23:39:10.332+05:00 level=INFO msg="Server is up and running"
-time=2024-03-27T23:39:22.414+05:00 level=INFO msg="Shutting down the server gracefully..."
-time=2024-03-28T00:06:29.253+05:00 level=INFO msg="Server is up and running"
-time=2024-03-28T00:18:28.728+05:00 level=INFO msg="Shutting down the server gracefully..."
-time=2024-03-28T00:18:31.350+05:00 level=INFO msg="Server is up and running"
-time=2024-03-28T00:20:32.122+05:00 level=INFO msg="Shutting down the server gracefully..."
-time=2024-03-28T00:20:34.708+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:52:19.463+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:53:03.368+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:53:14.102+05:00 level=INFO msg="Shutting down the server gracefully..."
+time=2024-03-28T15:53:31.254+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:53:43.763+05:00 level=INFO msg="Shutting down the server gracefully..."
+time=2024-03-28T15:54:00.477+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:54:14.785+05:00 level=INFO msg="Shutting down the server gracefully..."
+time=2024-03-28T15:54:42.921+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:55:09.091+05:00 level=INFO msg="Shutting down the server gracefully..."
+time=2024-03-28T15:57:27.775+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:57:35.522+05:00 level=INFO msg="Shutting down the server gracefully..."
+time=2024-03-28T15:58:06.282+05:00 level=INFO msg="Server is up and running"
+time=2024-03-28T15:58:12.643+05:00 level=INFO msg="Shutting down the server gracefully..."