diff --git a/Makefile.defs b/Makefile.defs
index d4569065..96bc4c09 100644
--- a/Makefile.defs
+++ b/Makefile.defs
@@ -248,8 +248,6 @@ modules-dir = lib/sems/plug-in/
 audio-dir = lib/sems/audio/
 lib-dir = lib/sems/
 
-ser-cfg-dir = etc/ser/
-
 ifeq ($(OS), linux)
 	doc-dir = share/doc/sems/
 	man-dir = share/man/
@@ -278,7 +276,6 @@ bin-target = $(prefix)/$(bin-dir)
 cfg-target = $(prefix)/$(cfg-dir)
 modules-target = $(prefix)/$(modules-dir)
 audio-target = $(prefix)/$(audio-dir)
-ser-cfg-target =$(ser-prefix)/$(ser-cfg-dir)
 lib-target = $(prefix)/$(lib-dir)
 
 ifeq ($(OS), solaris)
@@ -305,8 +302,8 @@ export CXX CC LD
 export DESTDIR PREFIX prefix basedir ser-prefix
 export start-script
 export cfg-prefix bin-prefix modules-prefix doc-prefix audio-prefix lib-prefix
-export cfg-dir bin-dir modules-dir audio-dir lib-dir ser-cfg-dir doc-dir man-dir
-export bin-target cfg-target modules-target audio-target ser-cfg-target lib-target
+export cfg-dir bin-dir modules-dir audio-dir lib-dir doc-dir man-dir
+export bin-target cfg-target modules-target audio-target lib-target
 export INSTALL TAR INSTALL-TOUCH INSTALL-CFG INSTALL-BIN INSTALL-MODULES INSTALL-DOC INSTALL-AUDIO
 
 export USE_SPANDSP LIBSPANDSP_STATIC LIBSPANDSP_LDIR 
diff --git a/README b/README
index 86c621bd..77008eb7 100644
--- a/README
+++ b/README
@@ -139,27 +139,22 @@ Requirements:
 
  All requirements are optional.
 
- 1. optional: SER version 0.9.6-sems, or SER 2.0 with SASI:
-    SIP Epress Router (www.iptel.org/ser)
-
-    SEMS has its own SIP stack. SEMS can also use SER as its 
-    SIP stack. SEMS & SER communicate through unix socket (0.9.6),
-    or binrpc protocol (2.0 SASI).
-
- 2. Python version >= 2.3 for the ivr (embedded python interpreter)
+ 1. Python version >= 2.3 for the ivr (embedded python interpreter)
     and py_sems, optional
 
- 3. flite speech synthesizer for TTS in the ivr, optional
+ 2. flite speech synthesizer for TTS in the ivr, optional
 
- 4. lame >= 3.95 for mp3 file output, optional. mpg123 for mp3 playback,
+ 3. lame >= 3.95 for mp3 file output, optional. mpg123 for mp3 playback,
     optional
 
- 5. xmlrpcpp for XMLRPC control, optional
+ 4. xmlrpcpp for XMLRPC control, optional
 
- 6. spandsp library for DTMF detection and PLC, optional
+ 5. spandsp library for DTMF detection and PLC, optional
     (SEMS has its own implementations for both)
 
- 7. libZRTP SDK (http://zfoneproject.com) for ZRTP, optional
+ 6. libZRTP SDK (http://zfoneproject.com) for ZRTP, optional
+
+ 7. libev for jsonrpc, optional
 
 How to get started with SEMS:
 
@@ -224,25 +219,13 @@ Installation:
     is at '/usr/local/etc/sems/sems.conf'. 
     Else make your own using sems.conf.sample.
 
- 4. Optional, needed if you want to use SER as SEMS frontend (SIP stack):
-    Get and start SER as SIP stack for SEMS: 
-    
-    By default, sipctrl plugin is loaded, which is the integrated SIP 
-    stack for SEMS. If SER should be used, the following procedure is
-    necessary for ser  as SIP stack: 
-    o For ser 2.0/sasi use this patched ser2.0 version:
-      http://ftp.iptel.org/pub/sems/ser2-sasi-080108.tar.bz2 
-      (or ser head possibly with patches from the bug tracker at 
-       http://tracker.iptel.org/browse/SER-346 )    
-      and core/etc/ser-sems.sasi.cfg. Then load the binrpcctrl module.
-
- 5. Start SEMS:
+ 4. Start SEMS:
 
     If you installed SEMS with 'make install', sems can be
     found at '/usr/local/sbin/sems'.
     If you need help starting 'sems', try 'sems -h'.
 
- 6. Using SEMS
+ 5. Using SEMS
     
     SEMS needs to be told from the many possible applications that are
     loaded which one to run. You can simply set the application 
diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index fe504378..f3b0bc75 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -150,8 +150,6 @@ SET(doc_files
 	../doc/Readme.webconference.txt
 	../doc/Readme.xmlrpc2di.txt
 	../doc/WHATSNEW_0.10
-	./etc/ser-sems.cfg
-	./etc/ser-sems.sasi.cfg
 )
 
 INCLUDE(${CMAKE_SOURCE_DIR}/cmake/audio.rules.txt)
diff --git a/core/Makefile b/core/Makefile
index 60bc41fb..96767023 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -90,20 +90,6 @@ install-modules: $(PLUGIN_DIR) $(DESTDIR)$(modules-prefix)/$(modules-dir)
 install-modules-cfg: $(PLUGIN_DIR) 
 	$(MAKE) -C $(PLUGIN_DIR) install-cfg
 
-install-ser-cfg: etc/ser-sems.cfg
-	mkdir -p $(DESTDIR)$(ser-cfg-target)
-
-	if [ ! -f  $(DESTDIR)$(ser-cfg-target)/ser-sems.cfg ]; then \
-		sed -e "s#/opt/ser-sems#$(ser-prefix)#g" \
-			< etc/ser-sems.cfg > $(DESTDIR)$(ser-cfg-target)ser-sems.cfg; \
-	fi
-
-	$(INSTALL-CFG) etc/ser-sems.cfg $(DESTDIR)$(ser-cfg-target)ser-sems.cfg.default
-
-	@echo \*\*\* installed ser-sems.cfg at $(DESTDIR)$(ser-cfg-target)ser-sems.cfg
-	@echo \*\*\* run $(DESTDIR)$(ser-prefix)/sbin/ser -f $(DESTDIR)$(ser-cfg-target)ser-sems.cfg
-	@echo \*\*\* to start ser for sems.
-
 install-audio: $(DESTDIR)$(audio-prefix)/$(audio-dir)
 	for f in $(AUDIO_FILES) ; do \
 		if [ -n "wav/$$f" ]; then \
diff --git a/core/etc/ser-sems.cfg b/core/etc/ser-sems.cfg
deleted file mode 100644
index c27c95b9..00000000
--- a/core/etc/ser-sems.cfg
+++ /dev/null
@@ -1,79 +0,0 @@
-# ser for sems configuration
-#
-# This is a simple SER configuration for using SER 
-# as SIP stack for SEMS. It passes every message 
-# directly to SEMS.
-#
-# Application and application parameters need to be 
-# set in P-App-Name/P-App-Param headers of the INVITE.
-#
-# To install SER 0.9.6 for SEMS in /opt/ser-sems,
-# use the following commands:
-#   wget ftp.iptel.org/pub/sems/ser-0.9.6-sems.tar.gz 
-#   tar xzvf ser-0.9.6-sems.tar.gz; cd ser-0.9.6-sems 
-#   make install PREFIX=/opt/ser-sems
-#
-
-# set listen parameter if you want SEMS to be reachable 
-# from one interface only:
-# listen=eth0
- 
-#
-# listen on this port
-port=5070
-
-# connection SER->SEMS
-unix_sock="/tmp/ser_sock"
-
-# SEMS sends its own signature
-server_signature=0
-
-# we only need sl and tm
-loadmodule "/opt/ser-sems/lib/ser/modules/sl.so"
-loadmodule "/opt/ser-sems/lib/ser/modules/tm.so"
-
-# we want provisional replies in SEMS
-modparam("tm", "pass_provisional_replies", 1)
-
-# passes "P-App-Name" and 
-# "P-App-Param" headers with the INVITE 
-modparam("tm", "tw_append", 
-	"app_headers:hdr[P-App-Name];hdr[P-App-Param]")
-
-# for DTMF in SIP INFO we need content-length, -type 
-# and body
-modparam( "tm", "tw_append",
-   "dtmf_info:hdr[Content-Length];hdr[Content-Type];msg[body]")
-
-# main routing logic
-route{
-	# make transaction
-	if (!t_newtran()){
-		sl_send_reply("500","could not create transaction");
-		break;
-	}
-
-	# actively absorb ACKs
-	if (method == "ACK") {
-		t_relay();
-		break;
-	}
-	
-	# pass everything to SEMS
-	if (method=="INVITE") {
-	       	if(!t_write_unix("/tmp/sems_sock","sems/app_headers")){
-			log("could not contact sems\n");
-			t_reply("500","could not contact media server");
-	 	}	
-	} else if (method=="INFO") {
-	       	if(!t_write_unix("/tmp/sems_sock","sems/dtmf_info")){
-			log("could not contact sems\n");
-			t_reply("500","could not contact media server");
-	 	}
-	} else { # no need for special appends
-	       	if(!t_write_unix("/tmp/sems_sock","sems")){
-			log("could not contact sems\n");
-			t_reply("500","could not contact media server");
-	 	}
-	}
-}
diff --git a/core/etc/ser-sems.sasi.cfg b/core/etc/ser-sems.sasi.cfg
deleted file mode 100644
index 898dfa3f..00000000
--- a/core/etc/ser-sems.sasi.cfg
+++ /dev/null
@@ -1,116 +0,0 @@
-
-# ----------- global configuration parameters ------------------------
-
-debug=6   # debug level (cmd line: -dddddddddd)
-memdbg=10 # memory debug message level
-memlog=20 # memory statistics log level
-#log_facility=LOG_LOCAL0 # sets the facility used for logging (see syslog(3))
-
-#log_stderror=yes
-#listen=127.0.0.1
-
-check_via=no    # (cmd. line: -v)
-dns=no          # (cmd. line: -r)
-rev_dns=no      # (cmd. line: -R)
-
-# ------------------ module loading ----------------------------------
-
-loadmodule "modules/textops/textops.so"
-loadmodule "modules/avp/avp.so"
-loadmodule "modules/sl/sl.so"
-loadmodule "modules/tm/tm.so"
-loadmodule "modules/xlog/xlog.so"
-loadmodule "modules/binrpc/binrpc.so"
-#loadmodule "modules/hdrfilter/hdrfilter.so"
-loadmodule "modules/asi/asi.so"
-
-# ----------------- setting module-specific parameters ---------------
-
-
-modparam("tm", "pass_provisional_replies", 0)
-modparam("tm", "fr_timer", 30000)
-modparam("tm", "fr_inv_timer", 60000)
-modparam("tm", "unmatched_cancel", 2)
-
-modparam("binrpc", "listen", "brpcnd://localhost:2048")
-modparam("binrpc", "workers", 8)
-
-modparam("asi", "app_srv", "sems@brpcnd://localhost:3333")
-modparam("asi", "onreply_route", "addavp")
-
-modparam("asi", "connect_timeout", 50)
-modparam("asi", "transmit_timeout", 300)
-modparam("asi", "receive_timeout", 400)
-# -------------------------  request routing logic -------------------
-
-# main routing logic
-
-route
-{
-	if (method == "INVITE")
-		sl_reply(180, "Now hold on a sec, dog");
-
-	if ((method == "ACK") || (method == "CANCEL")) {
-		# TODO: unknown cancels can be dropped, at most, right now
-		# (ref: unmatched_cancel)
-		t_relay();
-	} else if (t_newtran()) {
-		# give the AS a 5s interval to reply itself in case of local 408
-		if (method == "INVITE")
-			# the worst case: a 100 is received on outgoing leg's transaction,
-			# delaying it's expiration to 60s
-			t_set_fr(0, 65000);
-		else
-			# guaranteed, outgoing leg's transaction times out after 30s
-			t_set_fr(0, 35000);
-		# on INVITE (or any other CANCELable request), AS should reply with 
-		# 100 if it wants to generate the final reply on CANCEL, in the case
-		# when no other reply is sent out (like callee crash) ; otherwise
-		# SER will generate it on its own.
-		if (! route(ASI))
-			t_reply(500, "Leave me alone");
-	} else {
-		sl_reply(500, "Bad luck, dude");
-	}
-}
-
-route[ASI]
-{
-	# $sems_cmd is the application which SEMS executes; 
- 	# $sems_hdrs is passed as additional headers. E.g. 
-	# a "compatibility" configuration to 0.9.6 ser-sems.cfg 
-        # would be 
-	#   $sems_cmd = @hf_value.p_app_name;
-	#   xlset_attr("$sems_hdrs", "P-App-Param: %@hf_value.p_app_param\n");
-
-	$sems_cmd = "announcement";
-	#	$sems_hdrs = "P-App-Name: announcement\n";
-
-	if (! asi_dispatch("sems")) {
-		if ($? == -2) $stat = "failed";
-		else if ($? == -1) $stat = "not interested";
-		else $stat = "unknown";
-		xdbg("NOT DISPATCHED: <%$stat>.\n");
-		return -1;
-	}
-	return 1;
-}
-
-onreply_route["addavp"]
-{
-	if (@cseq.method == "REGISTER") {
-		#$sems_hdrs = "P-App-Name: reg_agent\n";
-		$sems_hdrs = "P-App-Name: registrar_client\n";
-		if (@hf_value.www_authenticate)
-			xlset_attr("$sems_hdrs", "WWW-Authenticate: %@hf_value.www_authenticate\n");
-		else if (@hf_value.contact)
-			xlset_attr("$sems_hdrs", "Contact: %@hf_value.contact\n");
-	} else if (@cseq.method == "INVITE") {
-		#$sems_hdrs = "P-App-Name: callback\n";
-		if (@hf_value.proxy_authenticate)
-			xlset_attr("$sems_hdrs", "Proxy-Authenticate: %@hf_value.proxy_authenticate\n");
-		else if (@hf_value.contact)
-			xlset_attr("$sems_hdrs", "Contact: %@hf_value.contact\n");
-	}
-	dump_attrs();
-}