diff --git a/.git_info b/.git_info
index 22dc84c..0cfe394 100644
--- a/.git_info
+++ b/.git_info
@@ -1,2 +1,2 @@
-wanpipe_linux: git ver a362c80
-wanpipe_common: git ver 25d1643
+wanpipe_linux: git ver 3ef3ba3
+wanpipe_common: git ver 682cb58
diff --git a/.router_version b/.router_version
index f08b4bc..a00026f 100644
--- a/.router_version
+++ b/.router_version
@@ -1 +1 @@
-wanpipe-7.0.26
+wanpipe-7.0.27
diff --git a/ChangeLog b/ChangeLog
index a819f22..96b9628 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,14 @@ Copyright (c) 1995-2019 Sangoma Technologies Inc.
 For more info visit: http://wiki.sangoma.com
 ------------------------------------------------------------------------------
 
+* Tue Dec 26 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.27
+==================================================================
+- Support for Kernel version 4.18.x+
+- Disable global poll_mode depending upon user choise using TE_IGNORE_POLL_MODE parameter
+- Support perl environment for perl version 5.26
+- Adding backward compatibilty for older kernels both debian as well as redhat
+- Fix detection of loopback codes on T1 ESF
+
 * Tue Apr 02 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.26
 ==================================================================
 - Support for Kernel version 4.15+
diff --git a/Setup b/Setup
index ade4bb7..c0ebcc5 100755
--- a/Setup
+++ b/Setup
@@ -281,7 +281,7 @@ check_kern_memcpy_to_msg ()
 check_kern_dev_group_struct ()
 {
 	if [ -e $SOURCEDIR/include/linux/device.h ];then
-		eval "awk 'BEGIN { s=0 } /\*\*dev_groups;/ { s=1; exit } END { print s }' $SOURCEDIR/include/linux/device.h >/dev/null 2>/dev/null"
+		eval "grep \"\*\*dev_groups;\" $SOURCEDIR/include/linux/device.h >/dev/null 2>/dev/null"
 		if [ $? -eq 0 ]; then
 			DEV_GRP_STRUCT="-DKERN_CLASS_DEV_GROUPS=1"
 		else
@@ -289,7 +289,7 @@ check_kern_dev_group_struct ()
 		fi
 		PROTOCOL_DEFINES="$PROTOCOL_DEFINES $DEV_GRP_STRUCT "
 	elif [ -e $DEBSRCDIR/include/linux/device.h ];then
-		eval "awk 'BEGIN { s=0 } /\*\*dev_groups;/ { s=1; exit } END { print s }' $DEBSRCDIR/include/linux/device.h >/dev/null 2>/dev/null"
+		eval "grep \"\*\*dev_groups;\" $DEBSRCDIR/include/linux/device.h >/dev/null 2>/dev/null"
 		if [ $? -eq 0 ]; then
 			DEV_GRP_STRUCT="-DKERN_CLASS_DEV_GROUPS=1"
 		else
@@ -362,6 +362,27 @@ check_kern_signal_feature ()
 	fi
 }
 
+check_kern_proto_ops_struct ()
+{
+	if [ -e $SOURCEDIR/include/linux/net.h ];then
+		eval "grep -A2 \"*getname\" $SOURCEDIR/include/linux/net.h | grep \"sockaddr_len\" >/dev/null 2>/dev/null"
+		if [ $? -eq 0 ]; then
+			PROTO_OPS_UPDATE="-DKERN_CLASS_PROTO_OPS_UPDATE=1"
+		else
+			PROTO_OPS_UPDATE="-DKERN_CLASS_PROTO_OPS_UPDATE=0"
+		fi
+		PROTOCOL_DEFINES="$PROTOCOL_DEFINES $PROTO_OPS_UPDATE "
+	elif [ -e $DEBSRCDIR/include/linux/net.h ];then
+		eval "grep -A2 \"*getname\" $DEBSRCDIR/include/linux/net.h | grep \"sockaddr_len\" >/dev/null 2>/dev/null"
+		if [ $? -eq 0 ]; then
+			PROTO_OPS_UPDATE="-DKERN_CLASS_PROTO_OPS_UPDATE=1"
+		else
+			PROTO_OPS_UPDATE="-DKERN_CLASS_PROTO_OPS_UPDATE=0"
+		fi
+		PROTOCOL_DEFINES="$PROTOCOL_DEFINES $PROTO_OPS_UPDATE "
+	fi
+}
+
 # ----------------------------------------------------------------------------
 # Display error message.
 # ----------------------------------------------------------------------------
@@ -3786,6 +3807,8 @@ CFLAGS="$CC -Wp,-MD,.wanpipe.o.d -nostdinc -iwithprefix include -D__LINUX__ -Dli
 
 		check_kern_signal_feature
 
+		check_kern_proto_ops_struct
+
 		if [ "$BRI_MODULE_TEST" = "YES" ]; then
 			PROTOCOL_DEFINES="$PROTOCOL_DEFINES -DBUILD_MOD_TESTER"
 		fi
@@ -7563,7 +7586,7 @@ KERNEL_UNAME=`uname -r`
 PKG_NAME=wanpipe
 DISTR_NAME="WANPIPE"
 PROD=wanrouter
-PROD_VER=7.0.26
+PROD_VER=7.0.27
 PROD_HOME=`pwd`
 META_CONF=$PROD_HOME/$PROD.rc
 WAN_INTR_DIR=$PROD_HOME/interfaces
diff --git a/api/libsangoma/libsangoma.c b/api/libsangoma/libsangoma.c
index fc2fb3a..d3479d7 100644
--- a/api/libsangoma/libsangoma.c
+++ b/api/libsangoma/libsangoma.c
@@ -710,6 +710,11 @@ int registry_write_front_end_cfg(HKEY hPortRegistryKey, port_cfg_t *port_cfg)
 			break;
 		}
 
+		iReturnCode = registry_set_integer_value(hPortRegistryKey, "TE_IGNORE_POLL_MODE",	te_cfg->ignore_poll_mode);
+		if(iReturnCode){
+			break;
+		}
+
 		iReturnCode = registry_set_integer_value(hPortRegistryKey, "ACTIVE_CH",		ENABLE_ALL_CHANNELS	/*must be hardcoded*/);
 		if(iReturnCode){
 			break;
diff --git a/deb_control/wanpipe.deb b/deb_control/wanpipe.deb
index 880f77d..1077e9e 100644
--- a/deb_control/wanpipe.deb
+++ b/deb_control/wanpipe.deb
@@ -1,5 +1,5 @@
 Package: wanpipe
-Version: 7.0.26-0
+Version: 7.0.27-0
 Section: networking
 Priority: optional
 Architecture: all
diff --git a/patches/kdrivers/include/sdla_te1.h b/patches/kdrivers/include/sdla_te1.h
index 7cc4e11..347030d 100644
--- a/patches/kdrivers/include/sdla_te1.h
+++ b/patches/kdrivers/include/sdla_te1.h
@@ -463,6 +463,7 @@ typedef struct sdla_te_cfg {
 	u_int8_t	ais_maintenance;
 	u_int8_t	ais_auto_on_los;
 	u_int8_t	ignore_debounce_alarm;
+	u_int8_t	ignore_poll_mode;
 } sdla_te_cfg_t;
 
 /* Performamce monitor counters */
diff --git a/patches/kdrivers/include/wanpipe_version.h b/patches/kdrivers/include/wanpipe_version.h
index c458c62..7813dee 100644
--- a/patches/kdrivers/include/wanpipe_version.h
+++ b/patches/kdrivers/include/wanpipe_version.h
@@ -10,14 +10,14 @@
 #define WANPIPE_COMPANY         "Sangoma Technologies Inc"
 
 /********** LINUX **********/
-#define WANPIPE_VERSION			"7.0.26"
+#define WANPIPE_VERSION			"7.0.27"
 #define WANPIPE_SUB_VERSION				"0"
 #define WANPIPE_LITE_VERSION			"1.1.1"
 
 #if defined(__LINUX__)
 #define WANPIPE_VERSION_MAJOR			7
 #define WANPIPE_VERSION_MINOR			0
-#define WANPIPE_VERSION_MINOR1			26
+#define WANPIPE_VERSION_MINOR1			27
 #define WANPIPE_VERSION_MINOR2			0
 #endif
 
diff --git a/patches/kdrivers/src/net/sdla_8te1.c b/patches/kdrivers/src/net/sdla_8te1.c
index c83e1ff..8d2b3f0 100644
--- a/patches/kdrivers/src/net/sdla_8te1.c
+++ b/patches/kdrivers/src/net/sdla_8te1.c
@@ -1772,8 +1772,10 @@ static int sdla_ds_te1_config(void* pfe)
 
 
 	/* Force FE POll mode. Stop using front end interrupts as they
-       are known to cause parity errors on modern systems. */
-	fe->fe_cfg.poll_mode=WANOPT_YES;
+ 	 * are known to cause parity errors on modern systems.
+ 	 * Also , only eable FE_POLL mode by default if ignore_poll_mode is not set */
+	if (fe->fe_cfg.cfg.te_cfg.ignore_poll_mode == WANOPT_NO)
+		fe->fe_cfg.poll_mode=WANOPT_YES;
 
 	/* Revision/Chip ID (Reg. 0x0D) */
 	if (sdla_ds_te1_device_id(fe)) return -EINVAL;
@@ -1892,6 +1894,10 @@ static int sdla_ds_te1_config(void* pfe)
 		}
 	}
 	
+	if (fe->fe_cfg.poll_mode == WANOPT_YES){
+        /* Enable only basic framer interrupts */
+	    sdla_ds_te1_intr_ctrl(fe, 0, WAN_TE_INTR_BASIC, WAN_FE_INTR_ENABLE, 0x00);
+    }
 			
 #if 0
 /* FIXME: Enable all interrupt only when link is connected (event global) */
@@ -2058,7 +2064,12 @@ static int sdla_ds_te1_disable_irq(void* pfe)
 			fe, 0, 
 			(WAN_TE_INTR_GLOBAL|WAN_TE_INTR_BASIC|WAN_TE_INTR_PMON), 
 			WAN_FE_INTR_MASK, 0x00);
-	}
+	} else {
+        /* Disable only basic framer interrupts */
+		sdla_ds_te1_intr_ctrl(
+			fe, 0, WAN_TE_INTR_BASIC, WAN_FE_INTR_MASK, 0x00
+        );
+    }
 	return 0;
 }
 
@@ -3356,7 +3367,7 @@ sdla_ds_te1_intr_ctrl(sdla_fe_t *fe, int dummy, u_int8_t type, u_int8_t mode, un
 
 	WAN_ASSERT(fe->write_fe_reg == NULL);
 	WAN_ASSERT(fe->read_fe_reg == NULL);
-	WAN_ASSERT(fe->fe_cfg.poll_mode == WANOPT_YES);
+	//WAN_ASSERT(fe->fe_cfg.poll_mode == WANOPT_YES);
 
 	if (!wan_test_bit(TE_CONFIGURED,(void*)&fe->te_param.critical)){
 		return 0;
@@ -4013,22 +4024,10 @@ static int sdla_ds_te1_check_intr(sdla_fe_t *fe)
 	return 0;
 }
 
-static int sdla_ds_te1_intr(sdla_fe_t *fe) 
+static int sdla_ds_te1_intr_handler(sdla_fe_t *fe, int silent)
 {
-	u_int8_t	framer_istatus, liu_istatus, bert_istatus; 
-	u_int8_t	device_id;
-	int		silent = 0;
-	
-	WAN_ASSERT(fe->write_fe_reg == NULL);
-	WAN_ASSERT(fe->read_fe_reg == NULL);
+	u_int8_t	framer_istatus, liu_istatus, bert_istatus;
 
-	device_id = WAN_TE1_DEVICE_ID;
-	if (device_id == DEVICE_ID_BAD){
-		DEBUG_EVENT(
-		"%s: ERROR: Failed to verify Device id (silent mode)!\n",
-				fe->name);
-		silent = 1;
-	}
 	framer_istatus = READ_REG(REG_GFISR);
 	liu_istatus = READ_REG(REG_GLISR);
 	bert_istatus = READ_REG(REG_GBISR);
@@ -4052,6 +4051,25 @@ static int sdla_ds_te1_intr(sdla_fe_t *fe)
 		//WRITE_REG(REG_GBISR, (1<<WAN_FE_LINENO(fe)));
 		WRITE_REG(REG_GBISR, (1<<WAN_DS_REGBITMAP(fe)));
 	}
+}
+
+static int sdla_ds_te1_intr(sdla_fe_t *fe)
+{
+	u_int8_t	device_id;
+	int		silent = 0;
+
+	WAN_ASSERT(fe->write_fe_reg == NULL);
+	WAN_ASSERT(fe->read_fe_reg == NULL);
+
+	device_id = WAN_TE1_DEVICE_ID;
+	if (device_id == DEVICE_ID_BAD){
+		DEBUG_EVENT(
+		"%s: ERROR: Failed to verify Device id (silent mode)!\n",
+				fe->name);
+		silent = 1;
+	}
+
+    sdla_ds_te1_intr_handler(fe, silent);
 
 	DEBUG_TE1("%s: FE Interrupt Alarms=0x%X\n",
 			fe->name,fe->fe_alarm);
@@ -4568,6 +4586,9 @@ static int sdla_ds_te1_swirq(sdla_fe_t* fe)
 			sdla_ds_te1_swirq_alarm(fe, WAN_TE1_SWIRQ_TYPE_ALARM_RAI);
 		}
 	}
+
+	sdla_ds_te1_intr_handler(fe, 0);
+
 	return 0;
 }
 
diff --git a/patches/kdrivers/src/net/wanpipe_adsl.gcc3.x86_64.o b/patches/kdrivers/src/net/wanpipe_adsl.gcc3.x86_64.o
deleted file mode 100644
index 8b7a7fb..0000000
Binary files a/patches/kdrivers/src/net/wanpipe_adsl.gcc3.x86_64.o and /dev/null differ
diff --git a/patches/kdrivers/src/net/wanpipe_adsl.gcc3.x86_64.regparm.o b/patches/kdrivers/src/net/wanpipe_adsl.gcc3.x86_64.regparm.o
deleted file mode 100644
index 14df374..0000000
Binary files a/patches/kdrivers/src/net/wanpipe_adsl.gcc3.x86_64.regparm.o and /dev/null differ
diff --git a/patches/kdrivers/src/net/wanpipe_atm.gcc3.i386.o b/patches/kdrivers/src/net/wanpipe_atm.gcc3.i386.o
deleted file mode 100644
index f1da6db..0000000
Binary files a/patches/kdrivers/src/net/wanpipe_atm.gcc3.i386.o and /dev/null differ
diff --git a/patches/kdrivers/src/net/wanpipe_atm.gcc3.i386.regparm.o b/patches/kdrivers/src/net/wanpipe_atm.gcc3.i386.regparm.o
deleted file mode 100644
index bd41bfd..0000000
Binary files a/patches/kdrivers/src/net/wanpipe_atm.gcc3.i386.regparm.o and /dev/null differ
diff --git a/patches/kdrivers/src/net/wanpipe_atm.gcc3.x86_64.o b/patches/kdrivers/src/net/wanpipe_atm.gcc3.x86_64.o
deleted file mode 100644
index a7a84d8..0000000
Binary files a/patches/kdrivers/src/net/wanpipe_atm.gcc3.x86_64.o and /dev/null differ
diff --git a/patches/kdrivers/src/net/wanpipe_atm.gcc3.x86_64.regparm.o b/patches/kdrivers/src/net/wanpipe_atm.gcc3.x86_64.regparm.o
deleted file mode 100644
index 7d293f6..0000000
Binary files a/patches/kdrivers/src/net/wanpipe_atm.gcc3.x86_64.regparm.o and /dev/null differ
diff --git a/patches/kdrivers/src/net/wanpipe_tdm_api.c b/patches/kdrivers/src/net/wanpipe_tdm_api.c
index 9775712..6a1cce3 100644
--- a/patches/kdrivers/src/net/wanpipe_tdm_api.c
+++ b/patches/kdrivers/src/net/wanpipe_tdm_api.c
@@ -2454,12 +2454,15 @@ static int wanpipe_tdm_api_ioctl_handle_tdm_api_cmd(wanpipe_tdm_api_dev_t *tdm_a
 					tdm_api->cfg.rbs_poll = usr_tdm_api.rbs_poll;
 					usr_tdm_api.result=SANG_STATUS_SUCCESS;
 					err=0;
+					DEBUG_EVENT("%s: Poll Timeout = %u, RBS POLL = %u and RBS enable Count = %d\n", tdm_api->name, tdm_card_dev->rbs_poll_timeout, tdm_api->cfg.rbs_poll, tdm_card_dev->rbs_enable_cnt);
+
 				}
 
 			} else {
 				tdm_card_dev->rbs_enable_cnt++;
 				usr_tdm_api.result=SANG_STATUS_SUCCESS;
 				err=0;
+				DEBUG_EVENT("%s: Poll Timeout = %u, RBS POLL = %u and RBS enable Count = %d\n", tdm_api->name, tdm_card_dev->rbs_poll_timeout, tdm_api->cfg.rbs_poll, tdm_card_dev->rbs_enable_cnt);
 			}
 
 		}
diff --git a/patches/kdrivers/src/wanrouter/af_wanpipe.c b/patches/kdrivers/src/wanrouter/af_wanpipe.c
index 0c70929..e99b22c 100644
--- a/patches/kdrivers/src/wanrouter/af_wanpipe.c
+++ b/patches/kdrivers/src/wanrouter/af_wanpipe.c
@@ -1754,9 +1754,13 @@ out:
  *      information. Not very useful for Sangoma's purposes.
  *===========================================================*/
 
-
+#if defined (KERN_CLASS_PROTO_OPS_UPDATE) && KERN_CLASS_PROTO_OPS_UPDATE > 0
 static int wanpipe_getname(struct socket *sock, struct sockaddr *uaddr,
 			  int *uaddr_len, int peer)
+#else
+static int wanpipe_getname(struct socket *sock, struct sockaddr *uaddr,
+			   int peer)
+#endif
 {
 	netdevice_t *dev;
 	struct sock *sk = sock->sk;
@@ -1776,7 +1780,9 @@ static int wanpipe_getname(struct socket *sock, struct sockaddr *uaddr,
 		sll->sll_hatype = 0;	/* Bad: we have no ARPHRD_UNSPEC */
 		sll->sll_halen = 0;
 	}
+#if defined (KERN_CLASS_PROTO_OPS_UPDATE) && KERN_CLASS_PROTO_OPS_UPDATE > 0
 	*uaddr_len = sizeof(*sll);
+#endif
 	
 	return 0;
 }
diff --git a/rpmspec/wanpipe-mod.rpmspec b/rpmspec/wanpipe-mod.rpmspec
index 79743d1..ac0527c 100644
--- a/rpmspec/wanpipe-mod.rpmspec
+++ b/rpmspec/wanpipe-mod.rpmspec
@@ -1,6 +1,6 @@
 %define WANPIPE_VER	  wanpipe-modules
 %define name              %{WANPIPE_VER}
-%define version           7.0.26
+%define version           7.0.27
 %define release           0
 %define	serial	 	  1
 %define MODULES_DIR	  /lib/modules
@@ -58,6 +58,14 @@ fi
 
 
 %changelog
+* Tue Dec 26 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.27
+==================================================================
+- Support for Kernel version 4.18.x+
+- Disable global poll_mode depending upon user choise using TE_IGNORE_POLL_MODE parameter
+- Support perl environment for perl version 5.26
+- Adding backward compatibilty for older kernels both debian as well as redhat
+- Fix detection of loopback codes on T1 ESF
+
 * Tue Apr 02 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.26
 ==================================================================
 - Support for Kernel version 4.15+
diff --git a/rpmspec/wanpipe-util.rpmspec b/rpmspec/wanpipe-util.rpmspec
index 1e14731..773bb39 100644
--- a/rpmspec/wanpipe-util.rpmspec
+++ b/rpmspec/wanpipe-util.rpmspec
@@ -1,6 +1,6 @@
 %define WANPIPE_VER	  wanpipe-util
 %define name              %{WANPIPE_VER}
-%define version           7.0.26
+%define version           7.0.27
 %define release           0
 %define	serial	 	  1
 %define UTILS_DIR 	  /usr/sbin
@@ -228,6 +228,14 @@ chmod 755 /usr/local/sbin/setup-sangoma
 
 
 %changelog
+* Tue Dec 26 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.27
+==================================================================
+- Support for Kernel version 4.18.x+
+- Disable global poll_mode depending upon user choise using TE_IGNORE_POLL_MODE parameter
+- Support perl environment for perl version 5.26
+- Adding backward compatibilty for older kernels both debian as well as redhat
+- Fix detection of loopback codes on T1 ESF
+
 * Tue Apr 02 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.26
 ==================================================================
 - Support for Kernel version 4.15+
diff --git a/rpmspec/wanpipe.rpmspec b/rpmspec/wanpipe.rpmspec
index 2c65fd6..a33156a 100644
--- a/rpmspec/wanpipe.rpmspec
+++ b/rpmspec/wanpipe.rpmspec
@@ -1,7 +1,7 @@
 %define KERNEL_VERSION    %{?kern_ver}
 %define WANPIPE_VER	  wanpipe
 %define name              %{WANPIPE_VER}
-%define version           7.0.26
+%define version           7.0.27
 %define release           0
 %define	serial	 	  1
 %define UTILS_DIR 	  /usr/sbin
@@ -245,6 +245,14 @@ chmod 755 /usr/local/sbin/setup-sangoma
 
 
 %changelog
+* Tue Dec 26 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.27
+==================================================================
+- Support for Kernel version 4.18.x+
+- Disable global poll_mode depending upon user choise using TE_IGNORE_POLL_MODE parameter
+- Support perl environment for perl version 5.26
+- Adding backward compatibilty for older kernels both debian as well as redhat
+- Fix detection of loopback codes on T1 ESF
+
 * Tue Apr 02 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.26
 ==================================================================
 - Support for Kernel version 4.15+
diff --git a/samples/wanrouter b/samples/wanrouter
index b4c2608..7547cdf 100644
--- a/samples/wanrouter
+++ b/samples/wanrouter
@@ -2231,7 +2231,7 @@ init_global_params()
 {
 
 	if [ $OSYSTEM = "Linux" ]; then
-		ROUTER_VERSION=7.0.26
+		ROUTER_VERSION=7.0.27
 		IFCONFIG_LIST=ifconfig
 		MODULE_STAT=lsmod
 		WAN_DRIVERS="wanpipe"
diff --git a/util/wancfg_zaptel/wancfg_dahdi b/util/wancfg_zaptel/wancfg_dahdi
index 6f01671..e0613b3 100755
--- a/util/wancfg_zaptel/wancfg_dahdi
+++ b/util/wancfg_zaptel/wancfg_dahdi
@@ -1,5 +1,9 @@
 #!/bin/bash -p
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_data_api b/util/wancfg_zaptel/wancfg_data_api
index a74aa09..0eb0228 100755
--- a/util/wancfg_zaptel/wancfg_data_api
+++ b/util/wancfg_zaptel/wancfg_data_api
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_fs b/util/wancfg_zaptel/wancfg_fs
index 7e8608f..883ead4 100755
--- a/util/wancfg_zaptel/wancfg_fs
+++ b/util/wancfg_zaptel/wancfg_fs
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 
diff --git a/util/wancfg_zaptel/wancfg_fs_legacy b/util/wancfg_zaptel/wancfg_fs_legacy
index 6a4c3f2..30022ce 100755
--- a/util/wancfg_zaptel/wancfg_fs_legacy
+++ b/util/wancfg_zaptel/wancfg_fs_legacy
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_ftdm b/util/wancfg_zaptel/wancfg_ftdm
index 22ccf66..079f657 100755
--- a/util/wancfg_zaptel/wancfg_ftdm
+++ b/util/wancfg_zaptel/wancfg_ftdm
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_hp_tdmapi b/util/wancfg_zaptel/wancfg_hp_tdmapi
index c8bda84..08d33eb 100755
--- a/util/wancfg_zaptel/wancfg_hp_tdmapi
+++ b/util/wancfg_zaptel/wancfg_hp_tdmapi
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_openzap b/util/wancfg_zaptel/wancfg_openzap
index 9c176c8..615c417 100755
--- a/util/wancfg_zaptel/wancfg_openzap
+++ b/util/wancfg_zaptel/wancfg_openzap
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_smg b/util/wancfg_zaptel/wancfg_smg
index 31feb04..39afa4d 100755
--- a/util/wancfg_zaptel/wancfg_smg
+++ b/util/wancfg_zaptel/wancfg_smg
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_tdmapi b/util/wancfg_zaptel/wancfg_tdmapi
index f501149..91f2d6c 100755
--- a/util/wancfg_zaptel/wancfg_tdmapi
+++ b/util/wancfg_zaptel/wancfg_tdmapi
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wancfg_zaptel/wancfg_zaptel b/util/wancfg_zaptel/wancfg_zaptel
index e242845..478a5ae 100755
--- a/util/wancfg_zaptel/wancfg_zaptel
+++ b/util/wancfg_zaptel/wancfg_zaptel
@@ -1,5 +1,9 @@
 #!/bin/sh
 home=`pwd`
+#include the current directory where the script is present
+#as a part of perl environment i.e. in @INC because Perl 5.26 and greater
+#doesnot include current directory due to security reason
+export PERL_USE_UNSAFE_INC=1
 cd $home
 
 read_meta_conf ()
diff --git a/util/wanconfig/wanconfig.h b/util/wanconfig/wanconfig.h
index c45669a..c2ee57f 100644
--- a/util/wanconfig/wanconfig.h
+++ b/util/wanconfig/wanconfig.h
@@ -284,6 +284,7 @@ static key_word_t common_conftab[] =	/* Common configuration parameters */
   { "TE_SIG_MODE",     offsetof(wandev_conf_t, fe_cfg)+offsetof(sdla_fe_cfg_t, cfg) + smemof(sdla_te_cfg_t, sig_mode), DTYPE_UCHAR },
   { "TE_IGNORE_YEL", offsetof(wandev_conf_t, fe_cfg)+offsetof(sdla_fe_cfg_t, cfg) + smemof(sdla_te_cfg_t, ignore_yel_alarm), DTYPE_UCHAR },
   { "TE_IGNORE_DEBOUNCE", offsetof(wandev_conf_t, fe_cfg)+offsetof(sdla_fe_cfg_t, cfg) + smemof(sdla_te_cfg_t, ignore_debounce_alarm), DTYPE_UCHAR },
+  { "TE_IGNORE_POLL_MODE", offsetof(wandev_conf_t, fe_cfg)+offsetof(sdla_fe_cfg_t, cfg) + smemof(sdla_te_cfg_t, ignore_poll_mode), DTYPE_UCHAR },
   { "TE_AIS_MAINTENANCE", offsetof(wandev_conf_t, fe_cfg)+offsetof(sdla_fe_cfg_t, cfg) + smemof(sdla_te_cfg_t, ais_maintenance), DTYPE_UCHAR },
   { "TE_AIS_AUTO_ON_LOS", offsetof(wandev_conf_t, fe_cfg)+offsetof(sdla_fe_cfg_t, cfg) + smemof(sdla_te_cfg_t, ais_auto_on_los), DTYPE_UCHAR },
   /* T1/E1 Front-End parameters (old style) */
diff --git a/wanpipe.spec b/wanpipe.spec
index 97f48c5..791d039 100644
--- a/wanpipe.spec
+++ b/wanpipe.spec
@@ -25,7 +25,7 @@
 #
 
 %define NAME			wanpipe
-%define VERSION           7.0.26
+%define VERSION           7.0.27
 %define RELEASE			0
 %define KVERSION		%{?kernel}
 %define KSRC			%{?ksrc}
@@ -259,6 +259,14 @@ fi
 ################################################################################
 
 %changelog
+* Tue Dec 26 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.27
+==================================================================
+- Support for Kernel version 4.18.x+
+- Disable global poll_mode depending upon user choise using TE_IGNORE_POLL_MODE parameter
+- Support perl environment for perl version 5.26
+- Adding backward compatibilty for older kernels both debian as well as redhat
+- Fix detection of loopback codes on T1 ESF
+
 * Tue Apr 02 2019 Pushkar Singh <psingh@sangoma.com> - 7.0.26
 ==================================================================
 - Support for Kernel version 4.15+