diff --git a/GpsTracker/Core.cpp b/GpsTracker/Core.cpp
index b6cc7d1..60384ca 100644
--- a/GpsTracker/Core.cpp
+++ b/GpsTracker/Core.cpp
@@ -77,8 +77,7 @@ namespace core {
 			details::appendToSmsBuffer(buffer, PSTR("- Temperature is %dC. %S"), static_cast<uint16_t>(metadata.temperature * 100), backupFailureString);
 		}
 
-		config_t* config = &config::main::value;
-		bool notified = network::sendSms(config->contactPhone, buffer);
+		bool notified = network::sendSms(buffer);
 		if (!notified) NOTICE_MSG("notifyFailure", "SMS not sent !");
 
 		network::powerOff();
diff --git a/GpsTracker/Network.cpp b/GpsTracker/Network.cpp
index 50d5b7b..5ec6ff6 100644
--- a/GpsTracker/Network.cpp
+++ b/GpsTracker/Network.cpp
@@ -64,7 +64,9 @@ namespace network {
 		return hardware::sim808::device.enableGprs(config::main::value.network.apn);
 	}
 
-	bool sendSms(const char * phoneNumber, const char * msg) {
+	bool sendSms(const char * msg) {
+		const char * phoneNumber = config::main::value.contactPhone;
+
 		NOTICE_FORMAT("sendSms", "%s, %s", phoneNumber, msg);
 		return hardware::sim808::device.sendSms(phoneNumber, msg);
 	}
diff --git a/GpsTracker/Network.h b/GpsTracker/Network.h
index abae014..80334e8 100644
--- a/GpsTracker/Network.h
+++ b/GpsTracker/Network.h
@@ -11,5 +11,5 @@ namespace network {
 	bool isAvailable(SIM808_NETWORK_REGISTRATION_STATE state);
 	bool enableGprs();
 
-	bool sendSms(const char * phoneNumber, const char * msg);
+	bool sendSms(const char * msg);
 }
\ No newline at end of file