diff --git a/composer.json b/composer.json
index 30353d62..21ba450b 100755
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,10 @@
 		"symfony/http-foundation": "~3.4",
 		"php-pushover/php-pushover": "dev-master",
 		"paragonie/random_compat": "^2.0",
-		"twig/twig": "~2.0"
+		"twig/twig": "~2.0",
+		"plivo/plivo-php": "^4.0",
+		"callr/sdk-php": "^0.10"
+
 	},
 	"autoload": {
 		"files": [
diff --git a/docs/intro.rst b/docs/intro.rst
index e1d0aa9c..8132855f 100644
--- a/docs/intro.rst
+++ b/docs/intro.rst
@@ -61,6 +61,8 @@ The following SMS gateways are currently available:
 * FreeMobile (FR) - <https://mobile.free.fr/>
 * Twilio - <https://twilio.com>
 * CM Telecom - <https://www.cm.com/>
+* Plivo - <https://plivo.com>
+* Callr - <https://callr.com>
 
 Please note: for these gateways you will need an account with sufficient credits.
 
diff --git a/src/includes/functions.inc.php b/src/includes/functions.inc.php
index dde0f585..0fcc584c 100644
--- a/src/includes/functions.inc.php
+++ b/src/includes/functions.inc.php
@@ -578,6 +578,12 @@ function psm_build_sms() {
 		case 'twilio':
 			$sms = new \psm\Txtmsg\Twilio();
 			break;
+		case 'plivo':
+			$sms = new \psm\Txtmsg\Plivo();
+			break;
+		case 'callr':
+			$sms = new \psm\Txtmsg\Callr();
+			break;
 	}
 
 	// copy login information from the config file
diff --git a/src/lang/bg_BG.lang.php b/src/lang/bg_BG.lang.php
index ee5b11c2..9f4aec9a 100644
--- a/src/lang/bg_BG.lang.php
+++ b/src/lang/bg_BG.lang.php
@@ -216,6 +216,9 @@ $sm_lang = array(
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_octopush' => 'Octopush',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Потребител',
 		'sms_gateway_password' => 'Парола',
 		'sms_from' => 'Номер на изпращача',
diff --git a/src/lang/cs_CZ.lang.php b/src/lang/cs_CZ.lang.php
index fd3a8fbf..535313f4 100644
--- a/src/lang/cs_CZ.lang.php
+++ b/src/lang/cs_CZ.lang.php
@@ -231,6 +231,9 @@ $sm_lang = array(
 		'sms_gateway_freemobilesms' => 'FreeMobileSMS',
 		'sms_gateway_clicksend' => 'ClickSend',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Uživatelské jméno brány',
 		'sms_gateway_password' => 'Heslo brány',
 		'sms_from' => 'Telefonní číslo odesilatele',
diff --git a/src/lang/da_DK.lang.php b/src/lang/da_DK.lang.php
index cfa62017..0707d25b 100644
--- a/src/lang/da_DK.lang.php
+++ b/src/lang/da_DK.lang.php
@@ -213,6 +213,9 @@ $sm_lang = array(
 		'sms_gateway_octopush' => 'Octopush',
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway brugernavn/apikey',
 		'sms_gateway_password' => 'Gateway adgangskode',
 		'sms_from' => 'Afsenderens navn.',
diff --git a/src/lang/de_DE.lang.php b/src/lang/de_DE.lang.php
index b4094b07..536ce333 100644
--- a/src/lang/de_DE.lang.php
+++ b/src/lang/de_DE.lang.php
@@ -217,6 +217,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway Benutzername',
 		'sms_gateway_password' => 'Gateway Passwort',
 		'sms_from' => 'SMS-Sendernummer',
diff --git a/src/lang/en_US.lang.php b/src/lang/en_US.lang.php
index 29c0697c..93363698 100644
--- a/src/lang/en_US.lang.php
+++ b/src/lang/en_US.lang.php
@@ -254,6 +254,8 @@ $sm_lang = array(
 		'sms_gateway_nexmo' => 'Nexmo',
 		'sms_gateway_smsgw' => 'SMSgw',
 		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway username',
 		'sms_gateway_password' => 'Gateway password',
 		'sms_from' => 'Sender\'s phone number',
diff --git a/src/lang/es_ES.lang.php b/src/lang/es_ES.lang.php
index aab8ac56..8f57376e 100644
--- a/src/lang/es_ES.lang.php
+++ b/src/lang/es_ES.lang.php
@@ -220,6 +220,9 @@ $sm_lang = array(
 		'sms_gateway_username' => 'Usuario',
 		'sms_gateway_password' => 'Contraseña',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway username',
 		'sms_gateway_password' => 'Gateway password',
 		'sms_from' => 'Número origen del SMS',
diff --git a/src/lang/et_ET.lang.php b/src/lang/et_ET.lang.php
index f2519f73..6b060cee 100644
--- a/src/lang/et_ET.lang.php
+++ b/src/lang/et_ET.lang.php
@@ -201,6 +201,10 @@ $sm_lang = array(
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
+		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Värava kasutajanimi',
 		'sms_gateway_password' => 'Värava parool',
 		'sms_from' => 'Saatja telefoni number',
diff --git a/src/lang/fa_IR.lang.php b/src/lang/fa_IR.lang.php
index 70639399..5406a354 100644
--- a/src/lang/fa_IR.lang.php
+++ b/src/lang/fa_IR.lang.php
@@ -201,6 +201,10 @@ $sm_lang = array(
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
+		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'نام کاربری Gateway',
 		'sms_gateway_password' => 'کلمه عبور Gateway',
 		'sms_from' => 'شماره تلفن ارسال کننده',
diff --git a/src/lang/fi_FI.lang.php b/src/lang/fi_FI.lang.php
index 74f4de41..b6eeedad 100644
--- a/src/lang/fi_FI.lang.php
+++ b/src/lang/fi_FI.lang.php
@@ -201,6 +201,10 @@ $sm_lang = array(
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
+		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Palvelun käyttäjänimi',
 		'sms_gateway_password' => 'Palvelun salasana',
 		'sms_from' => 'Lähettäjän puhelinnumero',
diff --git a/src/lang/fr_FR.lang.php b/src/lang/fr_FR.lang.php
index ab97767c..a493f91f 100644
--- a/src/lang/fr_FR.lang.php
+++ b/src/lang/fr_FR.lang.php
@@ -217,6 +217,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_freemobilesms' => 'FreeMobileSMS',
 		'sms_gateway_username' => 'Nom utilisateur de la passerelle',
 		'sms_gateway_password' => 'Mot de passe de la passerelle',
diff --git a/src/lang/it_IT.lang.php b/src/lang/it_IT.lang.php
index 4de13b52..8fa0c8fd 100644
--- a/src/lang/it_IT.lang.php
+++ b/src/lang/it_IT.lang.php
@@ -216,6 +216,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Nome Utente Gateway',
 		'sms_gateway_password' => 'Password Gateway',
 		'sms_from' => 'Numero di telefono del mittente',
diff --git a/src/lang/ja_JP.lang.php b/src/lang/ja_JP.lang.php
index 4e66fe14..0893e405 100644
--- a/src/lang/ja_JP.lang.php
+++ b/src/lang/ja_JP.lang.php
@@ -222,6 +222,9 @@ $sm_lang = array(
 		'sms_gateway_freemobilesms' => 'FreeMobileSMS',
 		'sms_gateway_clicksend' => 'ClickSend',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_smsgw' => 'SMSgw',
 		'sms_gateway_username' => 'ゲートウェイのユーザー名',
 		'sms_gateway_password' => 'ゲートウェイのパスワード',
diff --git a/src/lang/ko_KR.lang.php b/src/lang/ko_KR.lang.php
index 10341ef0..5d391ecc 100644
--- a/src/lang/ko_KR.lang.php
+++ b/src/lang/ko_KR.lang.php
@@ -212,7 +212,10 @@ $sm_lang = array(
 		'sms_gateway_clickatell' => 'Clickatell',
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_nexmo' => 'Nexmo',
-        'sms_gateway_textmarketer' => 'Textmarketer',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
+		'sms_gateway_textmarketer' => 'Textmarketer',
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_octopush' => 'Octopush',
diff --git a/src/lang/nl_NL.lang.php b/src/lang/nl_NL.lang.php
index 110e4e69..1c787d0e 100644
--- a/src/lang/nl_NL.lang.php
+++ b/src/lang/nl_NL.lang.php
@@ -216,6 +216,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway gebruikersnaam',
 		'sms_gateway_password' => 'Gateway wachtwoord',
 		'sms_from' => 'Telefoonnummer afzender',
diff --git a/src/lang/pl_PL.lang.php b/src/lang/pl_PL.lang.php
index 853d3f3c..17275b1b 100644
--- a/src/lang/pl_PL.lang.php
+++ b/src/lang/pl_PL.lang.php
@@ -216,6 +216,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Login do bramki',
 		'sms_gateway_password' => 'Hasło do bramki',
 		'sms_from' => 'Numer nadawcy',
diff --git a/src/lang/pt_BR.lang.php b/src/lang/pt_BR.lang.php
index 26e51f85..8318368e 100644
--- a/src/lang/pt_BR.lang.php
+++ b/src/lang/pt_BR.lang.php
@@ -219,9 +219,12 @@ $sm_lang = array(
         'sms_gateway_password' => 'Senha do Gateway',
         'sms_from' => 'Número de telefone de envio',
 		'sms_gateway_nexmo' => 'Nexmo',
-	        'sms_gateway_username' => 'Usuário do Gateway',
-	        'sms_gateway_password' => 'Senha do Gateway',
-	        'sms_from' => 'Número de telefone de envio',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
+	    'sms_gateway_username' => 'Usuário do Gateway',
+	    'sms_gateway_password' => 'Senha do Gateway',
+	    'sms_from' => 'Número de telefone de envio',
 		'pushover_status' => 'Habilitar envio de mensagens Pushover',
 		'pushover_description' => 'Pushover é um serviço de notificações em tempo real. Veja <a href="https://pushover.net/">o website</a> para mais informações.',
 		'pushover_clone_app' => 'Clique aqui para criar sua app Pushover',
diff --git a/src/lang/ru_RU.lang.php b/src/lang/ru_RU.lang.php
index 4825e56e..d7e9a46a 100644
--- a/src/lang/ru_RU.lang.php
+++ b/src/lang/ru_RU.lang.php
@@ -216,6 +216,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Пользователь',
 		'sms_gateway_password' => 'Пароль',
 		'sms_from' => 'Номер отправителя',
diff --git a/src/lang/sk_SK.lang.php b/src/lang/sk_SK.lang.php
index 40cd4d49..4a5f3c09 100644
--- a/src/lang/sk_SK.lang.php
+++ b/src/lang/sk_SK.lang.php
@@ -217,6 +217,9 @@ $sm_lang = array(
 		'sms_gateway_freemobilesms' => 'FreeMobileSMS',
 		'sms_gateway_clicksend' => 'ClickSend',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Užívateľské meno brány',
 		'sms_gateway_password' => 'Heslo brány',
 		'sms_from' => 'Telefónne číslo odosielateľa',
diff --git a/src/lang/sl_SI.lang.php b/src/lang/sl_SI.lang.php
index 42e8266d..22cdcfc7 100644
--- a/src/lang/sl_SI.lang.php
+++ b/src/lang/sl_SI.lang.php
@@ -197,7 +197,11 @@ $sm_lang = array(
         'sms_gateway_clickatell' => 'Clickatell',
         'sms_gateway_textmarketer' => 'Textmarketer',
         'sms_gateway_smsglobal' => 'SMSGlobal',
-        'sms_gateway_smsit' => 'Smsit',
+		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
+		'sms_gateway_smsit' => 'Smsit',
         'sms_gateway_username' => 'Uporabniško ime SMS prehoda',
         'sms_gateway_password' => 'Geslo SMS prehoda',
         'sms_from' => 'Telefonska številka pošiljatelja',
diff --git a/src/lang/sv_SE.lang.php b/src/lang/sv_SE.lang.php
index 9d750e48..45b80ac2 100644
--- a/src/lang/sv_SE.lang.php
+++ b/src/lang/sv_SE.lang.php
@@ -210,11 +210,14 @@ $sm_lang = array(
 		'sms_gateway_spryng' => 'Spryng',
 		'sms_gateway_inetworx' => 'Inetworx',
 		'sms_gateway_clickatell' => 'Clickatell',
-        	'sms_gateway_textmarketer' => 'Textmarketer',
+		'sms_gateway_textmarketer' => 'Textmarketer',
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway användarnamn',
 		'sms_gateway_password' => 'Gateway lösenord',
 		'sms_from' => 'Avsändarens telefonnummer',
diff --git a/src/lang/tr_TR.lang.php b/src/lang/tr_TR.lang.php
index e5e498fd..2ff21779 100644
--- a/src/lang/tr_TR.lang.php
+++ b/src/lang/tr_TR.lang.php
@@ -215,7 +215,10 @@ $sm_lang = array(
 		'sms_gateway_octopush' => 'Octopush',
         'sms_gateway_smsit' => 'Smsit',
         'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
-	'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
         'sms_gateway_username' => 'Servis kullanıcı adı',
         'sms_gateway_password' => 'Servis şifresi',
         'sms_from' => 'Gönderen numarası',
diff --git a/src/lang/vi_VN.lang.php b/src/lang/vi_VN.lang.php
index dea17622..c331e9c2 100644
--- a/src/lang/vi_VN.lang.php
+++ b/src/lang/vi_VN.lang.php
@@ -198,6 +198,10 @@ $sm_lang = array(
         'sms_gateway_textmarketer' => 'Textmarketer',
 		'sms_gateway_smsglobal' => 'SMSGlobal',
 		'sms_gateway_smsit' => 'Smsit',
+		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'Gateway username',
 		'sms_gateway_password' => 'Gateway password',
 		'sms_from' => 'Số điện thoại của người gửi',
diff --git a/src/lang/zh_CN.lang.php b/src/lang/zh_CN.lang.php
index 0421d8a6..743ea64c 100644
--- a/src/lang/zh_CN.lang.php
+++ b/src/lang/zh_CN.lang.php
@@ -232,6 +232,9 @@ $sm_lang = array(
 		'sms_gateway_smsit' => 'Smsit',
 		'sms_gateway_freevoipdeal' => 'FreeVoipDeal',
 		'sms_gateway_nexmo' => 'Nexmo',
+		'sms_gateway_twilio' => 'Twilio',
+		'sms_gateway_callr' => 'Callr',
+		'sms_gateway_plivo' => 'Plivo',
 		'sms_gateway_username' => 'SMS网关用户名',
 		'sms_gateway_password' => 'SMS网关密码',
 		'sms_from' => '发信人电话号',
diff --git a/src/psm/Module/Config/Controller/ConfigController.php b/src/psm/Module/Config/Controller/ConfigController.php
index d0d80e2c..08f9c311 100644
--- a/src/psm/Module/Config/Controller/ConfigController.php
+++ b/src/psm/Module/Config/Controller/ConfigController.php
@@ -378,6 +378,8 @@ class ConfigController extends AbstractController {
 			'label_sms_gateway_freemobilesms' => psm_get_lang('config', 'sms_gateway_freemobilesms'),
 			'label_sms_gateway_clicksend' => psm_get_lang('config', 'sms_gateway_clicksend'),
 			'label_sms_gateway_twilio' => psm_get_lang('config', 'sms_gateway_twilio'),
+			'label_sms_gateway_plivo' => psm_get_lang('config', 'sms_gateway_plivo'),
+			'label_sms_gateway_callr' => psm_get_lang('config', 'sms_gateway_callr'),
 			'label_sms_gateway_username' => psm_get_lang('config', 'sms_gateway_username'),
 			'label_sms_gateway_password' => psm_get_lang('config', 'sms_gateway_password'),
 			'label_sms_from' => psm_get_lang('config', 'sms_from'),
diff --git a/src/psm/Txtmsg/Callr.php b/src/psm/Txtmsg/Callr.php
new file mode 100644
index 00000000..9c91a2d2
--- /dev/null
+++ b/src/psm/Txtmsg/Callr.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * PHP Server Monitor
+ * Monitor your servers and websites.
+ *
+ * This file is part of PHP Server Monitor.
+ * PHP Server Monitor is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PHP Server Monitor is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with PHP Server Monitor.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package     phpservermon
+ * @license     http://www.gnu.org/licenses/gpl.txt GNU GPL v3
+ * @version     Release: @package_version@
+ * @link        http://www.phpservermonitor.org/
+ **/
+
+namespace psm\Txtmsg;
+
+class Callr extends Core {
+	// =========================================================================
+	// [ Fields ]
+	// =========================================================================
+	public $gateway = 1;
+	public $resultcode = null;
+	public $resultmessage = null;
+	public $success = false;
+	public $successcount = 0;
+
+	// =========================================================================
+	// [ Methods ]
+	// =========================================================================
+	public function setGateway($gateway) {
+		$this->gateway = $gateway;
+	}
+
+	public function sendSMS($message) {
+		//api stuff here
+		$api		= new \CALLR\API\Client;
+		$api->setAuth(new CALLR\API\Authentication\LoginPasswordAuth($this->username, $this->password));
+
+		$options					= new stdClass;
+		$options->force_encoding	= 'GSM';
+		$options->nature			= 'ALERTING';
+		$options->flash_message		= false;//set to true if you don't want the SMS to be stored on the phone
+
+		try {
+			foreach($this->recipients as $recipient) {
+				$api->call('sms.send', [$this->originator, $recipient, $message, $options]);
+			}			
+			return 1;
+		} catch(Exception $e){			
+			if($e->getCode() == 22){
+				return "Exception: Authentication failure\r\n";
+			} else {
+				return $e->getMessage();
+			}
+		}
+	}
+}
diff --git a/src/psm/Txtmsg/Plivo.php b/src/psm/Txtmsg/Plivo.php
new file mode 100644
index 00000000..50889bf3
--- /dev/null
+++ b/src/psm/Txtmsg/Plivo.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * PHP Server Monitor
+ * Monitor your servers and websites.
+ *
+ * This file is part of PHP Server Monitor.
+ * PHP Server Monitor is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PHP Server Monitor is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with PHP Server Monitor.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package     phpservermon
+ * @license     http://www.gnu.org/licenses/gpl.txt GNU GPL v3
+ * @version     Release: @package_version@
+ * @link        http://www.phpservermonitor.org/
+ **/
+
+namespace psm\Txtmsg;
+
+class Plivo extends Core {
+	// =========================================================================
+	// [ Fields ]
+	// =========================================================================
+	public $gateway = 1;
+	public $resultcode = null;
+	public $resultmessage = null;
+	public $success = false;
+	public $successcount = 0;
+
+	// =========================================================================
+	// [ Methods ]
+	// =========================================================================
+	public function setGateway($gateway) {
+		$this->gateway = $gateway;
+	}
+
+	public function sendSMS($message) {
+		$authId		= $this->username;
+		$authToken	= $this->password;
+		
+		$client				= new \Plivo\RestClient($authId, $authToken);
+		/* @var $message_created \Plivo\Resources\Message\MessageCreateResponse */
+		$message_created	= $client->messages->create(
+			$this->originator,
+			$this->recipients,
+			$message
+		);
+		
+		if($message_created && count($message_created->getMessageUuid()) ) {
+			return 1;
+		} else {
+			return $message_created->getMessage();
+		}
+	}
+}
diff --git a/src/templates/default/module/config/config.tpl.html b/src/templates/default/module/config/config.tpl.html
index d60eab4c..caf3a31e 100644
--- a/src/templates/default/module/config/config.tpl.html
+++ b/src/templates/default/module/config/config.tpl.html
@@ -203,6 +203,8 @@
 						<option value="smsgw" {{ sms_selected_smsgw|raw }}>{{ label_sms_gateway_smsgw }}</option>
 						<option value="nexmo" {{ sms_selected_nexmo|raw }}>{{ label_sms_gateway_nexmo }}</option>
                         <option value="twilio" {{ sms_selected_twilio|raw }}>{{ label_sms_gateway_twilio }}</option>
+						<option value="plivo" {{ sms_selected_plivo|raw }}>{{ label_sms_gateway_plivo }}</option>
+						<option value="callr" {{ sms_selected_callr|raw }}>{{ label_sms_gateway_callr }}</option>
                       </select>
                 </div>
             </div>