diff --git a/src/mod/applications/mod_enum/mod_enum.c b/src/mod/applications/mod_enum/mod_enum.c
index 6ac8094ea1..038ed05600 100644
--- a/src/mod/applications/mod_enum/mod_enum.c
+++ b/src/mod/applications/mod_enum/mod_enum.c
@@ -733,3 +733,14 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_enum_shutdown)
 	switch_core_hash_destroy(&globals.routes);
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c b/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c
index d3f391a0b2..90f4e40068 100644
--- a/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c
+++ b/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c
@@ -981,3 +981,14 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_openmrcp_shutdown)
 	openmrcp_destroy();
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index d42d208cf2..928ca2cbde 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -2891,3 +2891,14 @@ static void set_variable_sip_param(switch_channel_t *channel, char *header_type,
 	}
 
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/endpoints/mod_sofia/sofia_glue.c b/src/mod/endpoints/mod_sofia/sofia_glue.c
index ac58ca1a51..8fc9a51eab 100644
--- a/src/mod/endpoints/mod_sofia/sofia_glue.c
+++ b/src/mod/endpoints/mod_sofia/sofia_glue.c
@@ -2421,3 +2421,14 @@ int sofia_glue_get_user_host(char *in, char **user, char **host)
 
 	return 1;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index c5c352b5f0..8f7735cb24 100644
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -1132,7 +1132,13 @@ switch_status_t sofia_reg_add_gateway(char *key, sofia_gateway_t *gateway)
 	return status;
 }
 
-
-
-
-
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c b/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
index 298ef565e3..e205abb4de 100644
--- a/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
+++ b/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
@@ -2471,7 +2471,6 @@ static switch_status_t config_wanpipe(int reload)
 		set_global_dialplan("XML");
 	}
 
-
 	globals.configured_spans = 0;
 	for(current_span = 1; current_span < MAX_SPANS; current_span++) {
 		if (SPANS[current_span]) {
@@ -2496,11 +2495,16 @@ static switch_status_t config_wanpipe(int reload)
 		}
 	}
 
-
-
 	return SWITCH_STATUS_SUCCESS;
-
 }
 
-
-
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/languages/mod_python/mod_python.c b/src/mod/languages/mod_python/mod_python.c
index afae73fdee..df25eaa895 100644
--- a/src/mod/languages/mod_python/mod_python.c
+++ b/src/mod/languages/mod_python/mod_python.c
@@ -331,7 +331,15 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_python_shutdown)
 
 }
 
-
-
-
 /* Return the number of arguments of the application command line */
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/say/mod_say_de/mod_say_de.c b/src/mod/say/mod_say_de/mod_say_de.c
index 4f1deebebb..fa1dfdee1c 100644
--- a/src/mod/say/mod_say_de/mod_say_de.c
+++ b/src/mod/say/mod_say_de/mod_say_de.c
@@ -536,3 +536,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_say_de_load)
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/say/mod_say_en/mod_say_en.c b/src/mod/say/mod_say_en/mod_say_en.c
index 146eb2542c..beb1cc7790 100644
--- a/src/mod/say/mod_say_en/mod_say_en.c
+++ b/src/mod/say/mod_say_en/mod_say_en.c
@@ -536,3 +536,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_say_en_load)
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/say/mod_say_es/mod_say_es.c b/src/mod/say/mod_say_es/mod_say_es.c
index 18d0c3fe4d..3e17a096e8 100644
--- a/src/mod/say/mod_say_es/mod_say_es.c
+++ b/src/mod/say/mod_say_es/mod_say_es.c
@@ -536,3 +536,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_say_es_load)
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/say/mod_say_fr/mod_say_fr.c b/src/mod/say/mod_say_fr/mod_say_fr.c
index 71b389ff70..9d26a70147 100644
--- a/src/mod/say/mod_say_fr/mod_say_fr.c
+++ b/src/mod/say/mod_say_fr/mod_say_fr.c
@@ -536,3 +536,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_say_fr_load)
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/say/mod_say_it/mod_say_it.c b/src/mod/say/mod_say_it/mod_say_it.c
index 4576e9a863..851dc9a0ad 100644
--- a/src/mod/say/mod_say_it/mod_say_it.c
+++ b/src/mod/say/mod_say_it/mod_say_it.c
@@ -536,3 +536,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_say_it_load)
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/mod/say/mod_say_nl/mod_say_nl.c b/src/mod/say/mod_say_nl/mod_say_nl.c
index f2350c9922..30e9ffcd7e 100644
--- a/src/mod/say/mod_say_nl/mod_say_nl.c
+++ b/src/mod/say/mod_say_nl/mod_say_nl.c
@@ -536,3 +536,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_say_nl_load)
 	/* indicate that the module should continue to be loaded */
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_asr.c b/src/switch_core_asr.c
index 2498091fde..21d8465658 100644
--- a/src/switch_core_asr.c
+++ b/src/switch_core_asr.c
@@ -158,3 +158,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_asr_get_results(switch_asr_handle_t
 
 	return ah->asr_interface->asr_get_results(ah, xmlstr, flags);
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_directory.c b/src/switch_core_directory.c
index 8ee3d75ee9..379f579f52 100644
--- a/src/switch_core_directory.c
+++ b/src/switch_core_directory.c
@@ -84,3 +84,13 @@ SWITCH_DECLARE(switch_status_t) switch_core_directory_close(switch_directory_han
 	return status;
 }
 
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_file.c b/src/switch_core_file.c
index 85f3e79c28..5a2262483a 100644
--- a/src/switch_core_file.c
+++ b/src/switch_core_file.c
@@ -299,3 +299,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_file_close(switch_file_handle_t *fh)
 
 	return status;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_hash.c b/src/switch_core_hash.c
index 38aafd7a71..0898695ced 100644
--- a/src/switch_core_hash.c
+++ b/src/switch_core_hash.c
@@ -153,3 +153,14 @@ SWITCH_DECLARE(void) switch_hash_this(switch_hash_index_t *hi, const void **key,
 		*val = sqliteHashData((HashElem *) hi);
 	}
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_io.c b/src/switch_core_io.c
index cc70dbab00..b27f334b3a 100644
--- a/src/switch_core_io.c
+++ b/src/switch_core_io.c
@@ -1010,3 +1010,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_send_dtmf_string(switch_core
 
 	return sent ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_media_bug.c b/src/switch_core_media_bug.c
index 07307a3314..652620cf9f 100644
--- a/src/switch_core_media_bug.c
+++ b/src/switch_core_media_bug.c
@@ -348,3 +348,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_remove(switch_core_session
 
 	return status;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_rwlock.c b/src/switch_core_rwlock.c
index 9278bbb0d0..3f683d3d21 100644
--- a/src/switch_core_rwlock.c
+++ b/src/switch_core_rwlock.c
@@ -84,3 +84,14 @@ SWITCH_DECLARE(void) switch_core_session_rwunlock(switch_core_session_t *session
 	switch_thread_rwlock_unlock(session->rwlock);
 
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_speech.c b/src/switch_core_speech.c
index 201dfad774..c074d5c0dc 100644
--- a/src/switch_core_speech.c
+++ b/src/switch_core_speech.c
@@ -34,7 +34,6 @@
 #include <switch.h>
 #include "private/switch_core_pvt.h"
 
-
 SWITCH_DECLARE(switch_status_t) switch_core_speech_open(switch_speech_handle_t *sh,
 														const char *module_name,
 														const char *voice_name, 
@@ -151,3 +150,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_speech_close(switch_speech_handle_t
 
 	return status;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_core_timer.c b/src/switch_core_timer.c
index 8bfaff00c8..c226ac8694 100644
--- a/src/switch_core_timer.c
+++ b/src/switch_core_timer.c
@@ -114,3 +114,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_timer_destroy(switch_timer_t *timer)
 
 	return SWITCH_STATUS_SUCCESS;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_ivr_bridge.c b/src/switch_ivr_bridge.c
index 88abe4be24..a0a4f58651 100644
--- a/src/switch_ivr_bridge.c
+++ b/src/switch_ivr_bridge.c
@@ -882,3 +882,14 @@ SWITCH_DECLARE(void) switch_ivr_intercept_session(switch_core_session_t *session
 
 	switch_ivr_uuid_bridge(switch_core_session_get_uuid(session), uuid);
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_ivr_menu.c b/src/switch_ivr_menu.c
index 060971cd94..086642dc5c 100644
--- a/src/switch_ivr_menu.c
+++ b/src/switch_ivr_menu.c
@@ -676,3 +676,14 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_menu_stack_xml_build(switch_ivr_menu_
 
 	return status;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_ivr_originate.c b/src/switch_ivr_originate.c
index 3e735fb673..567f12492c 100644
--- a/src/switch_ivr_originate.c
+++ b/src/switch_ivr_originate.c
@@ -1280,3 +1280,14 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 
 	return status;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */
diff --git a/src/switch_ivr_play_say.c b/src/switch_ivr_play_say.c
index 282591410b..658470b3a7 100644
--- a/src/switch_ivr_play_say.c
+++ b/src/switch_ivr_play_say.c
@@ -688,7 +688,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_play_file(switch_core_session_t *sess
 	int stream_id = 0;
 	switch_status_t status = SWITCH_STATUS_SUCCESS;
 	switch_file_handle_t lfh;
-	switch_codec_t *read_codec = switch_core_session_get_read_codec(session);
+	switch_codec_t *read_codec = NULL;
 	const char *p;
 	char *title = "", *copyright = "", *software = "", *artist = "", *comment = "", *date = "";
 	uint8_t asis = 0;
@@ -707,8 +707,9 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_play_file(switch_core_session_t *sess
 	prefix = switch_channel_get_variable(channel, "sound_prefix");
 	timer_name = switch_channel_get_variable(channel, "timer_name");
 
+	read_codec = switch_core_session_get_read_codec(session);
 
-	if (switch_strlen_zero(file)) {
+	if (switch_strlen_zero(file) || !read_codec) {
 		status = SWITCH_STATUS_FALSE;
 		goto end;
 	}
@@ -1662,3 +1663,14 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_speak_text(switch_core_session_t *ses
 	switch_core_session_reset(session, SWITCH_TRUE);
 	return status;
 }
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
+ */