diff --git a/package/network/utils/comgt/Makefile b/package/network/utils/comgt/Makefile
index 18085a6593..716bbbf3fa 100644
--- a/package/network/utils/comgt/Makefile
+++ b/package/network/utils/comgt/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=comgt
 PKG_VERSION:=0.32
-PKG_RELEASE:=25
+PKG_RELEASE:=26
 
 PKG_SOURCE:=$(PKG_NAME).$(PKG_VERSION).tgz
 PKG_SOURCE_URL:=@SF/comgt
diff --git a/package/network/utils/comgt/files/ncm.json b/package/network/utils/comgt/files/ncm.json
index ea4f98485f..d1f869974a 100644
--- a/package/network/utils/comgt/files/ncm.json
+++ b/package/network/utils/comgt/files/ncm.json
@@ -6,7 +6,8 @@
 			"ATQ0",
 			"ATV1",
 			"ATE1",
-			"ATS0=0"
+			"ATS0=0",
+			"AT+CGDCONT=1,\\\"${pdptype}\\\",\\\"${apn}\\\""
 		],
 		"modes": {
 			"preferlte": "AT^SYSCFGEX=\\\"030201\\\",3fffffff,2,4,7fffffffffffffff,,",
@@ -25,7 +26,7 @@
 			"AT+CGREG=2",
 			"AT+CFUN=5",
 			"AT+MODESELECT=3",
-			"AT+CGDCONT=1,\\\"IP\\\",\\\"${apn}\\\""
+			"AT+CGDCONT=1,\\\"${pdptype}\\\",\\\"${apn}\\\""
 		],
 		"modes": {
 			"umts": "AT+CHANGEALLPATH=1"
@@ -33,10 +34,27 @@
 		"connect": "AT+CGATT=1",
 		"disconnect": "AT+CGATT=0"
 	},
-	"sony": {
+	"sierra wireless, incorporated": {
 		"initialize": [
 			"AT+CFUN=1",
-			"AT+CGDCONT=1,\\\"IP\\\",\\\"${apn}\\\"",
+			"AT+CGDCONT=1,\\\"${pdptype}\\\",\\\"${apn}\\\"",
+			"AT$QCPDPP=1${auth:+,$auth}${password:+,\\\"$password\\\"}${username:+,\\\"$username\\\"}"
+		],
+		"modes": {
+			"preferlte": "AT!SELRAT=07",
+			"preferumts": "AT!SELRAT=05",
+			"lte": "AT!SELRAT=06",
+			"umts": "AT!SELRAT=01",
+			"gsm": "AT!SELRAT=02",
+			"auto": "AT!SELRAT=00"
+		},
+		"connect": "AT!SCACT=1,1",
+		"disconnect": "AT!SCACT=0,1"
+	},
+	"sony ericsson": {
+		"initialize": [
+			"AT+CFUN=1",
+			"AT+CGDCONT=1,\\\"${pdptype}\\\",\\\"${apn}\\\"",
 			"AT*EIAAUW=1,1,\\\"${username}\\\",\\\"${password}\\\",${auth:-00111}"
 		],
 		"modes": {
diff --git a/package/network/utils/comgt/files/ncm.sh b/package/network/utils/comgt/files/ncm.sh
index ffe5615e07..571cfaa28b 100644
--- a/package/network/utils/comgt/files/ncm.sh
+++ b/package/network/utils/comgt/files/ncm.sh
@@ -17,6 +17,8 @@ proto_ncm_init_config() {
 	proto_config_add_string pincode
 	proto_config_add_string delay
 	proto_config_add_string mode
+	proto_config_add_string pdptype
+	proto_config_add_boolean ipv6
 }
 
 proto_ncm_setup() {
@@ -24,8 +26,22 @@ proto_ncm_setup() {
 
 	local manufacturer initialize setmode connect ifname devname devpath
 
-	local device apn auth username password pincode delay mode
-	json_get_vars device apn auth username password pincode delay mode
+	local device apn auth username password pincode delay mode pdptype ipv6
+	json_get_vars device apn auth username password pincode delay mode pdptype ipv6
+	
+	if [ "$ipv6" = 0 ]; then
+		ipv6=""
+	else
+		ipv6=1
+	fi
+	
+	[ -z "$pdptype" ] && {
+		if [ -n "$ipv6" ]; then
+			pdptype="IPV4V6"
+		else
+			pdptype="IP"
+		fi
+	}
 
 	[ -n "$ctl_device" ] && device=$ctl_device
 
@@ -116,7 +132,7 @@ proto_ncm_setup() {
 		return 1
 	}
 
-	echo "Connected, starting DHCP"
+	echo "Connected, starting DHCP on $ifname"
 	
 	proto_init_update "$ifname" 1
 	proto_send_update "$interface"
@@ -127,12 +143,14 @@ proto_ncm_setup() {
 	json_add_string proto "dhcp"
 	ubus call network add_dynamic "$(json_dump)"
 
-	json_init
-	json_add_string name "${interface}_6"
-	json_add_string ifname "@$interface"
-	json_add_string proto "dhcpv6"
-	json_add_string extendprefix 1
-	ubus call network add_dynamic "$(json_dump)"
+	[ -n "$ipv6" ] && {
+		json_init
+		json_add_string name "${interface}_6"
+		json_add_string ifname "@$interface"
+		json_add_string proto "dhcpv6"
+		json_add_string extendprefix 1
+		ubus call network add_dynamic "$(json_dump)"
+	}
 }
 
 proto_ncm_teardown() {