diff --git a/deploy/kamailio/Dockerfile b/deploy/kamailio/Dockerfile
index 0fdab5c..8c36e5a 100644
--- a/deploy/kamailio/Dockerfile
+++ b/deploy/kamailio/Dockerfile
@@ -1,13 +1,11 @@
-FROM ghcr.io/kamailio/kamailio:5.6.3-bullseye
+FROM ghcr.io/kamailio/kamailio:6.1.4-trixie
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     python3 python3-dev python3-pip cron \
     && apt autoremove -y \
     && apt autoclean -y 
 
-RUN pip3 install --upgrade pip
-RUN pip3 install --upgrade setuptools
-RUN pip3 install requests httplib2 mysql-connector-python
+RUN pip3 install --break-system-packages requests httplib2 mysql-connector-python
 
 WORKDIR /etc/kamailio/
 
diff --git a/deploy/kamailio/config/kamailio.cfg b/deploy/kamailio/config/kamailio.cfg
index 86e1c98..8660cf0 100644
--- a/deploy/kamailio/config/kamailio.cfg
+++ b/deploy/kamailio/config/kamailio.cfg
@@ -340,7 +340,6 @@ loadmodule "siptrace.so"
 
 # ------ dialog -------
 modparam("dialog", "enable_stats", 1)
-modparam("dialog", "dlg_flag", 4)
 modparam("dialog", "hash_size", 4096)
 modparam("dialog", "db_url", DBURL)
 modparam("dialog", "db_mode", 1)
@@ -349,6 +348,7 @@ modparam("dialog", "db_mode", 1)
 modparam("app_python3", "load", "/etc/kamailio/request_gw.py")
 modparam("app_python3", "mod_init_function", "mod_init")
 modparam("app_python3", "child_init_method", "child_init")
+modparam("app_python3", "threads_mode", 1)
 
 # ------ ssl -------
 #modparam("tls", "tls_force_run", 1)
diff --git a/deploy/kamailio/config/request_gw.py b/deploy/kamailio/config/request_gw.py
index d03771d..ae0621c 100755
--- a/deploy/kamailio/config/request_gw.py
+++ b/deploy/kamailio/config/request_gw.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
 import sys
-import Router.Logger as Logger
 import KSR as KSR
 import httplib2
 import json
@@ -12,6 +11,14 @@
 from contextlib import closing
 from configparser import ConfigParser
 
+
+class Logger:
+    """Kamailio 6 dropped the legacy Router module: log through KSR."""
+    @staticmethod
+    def LM_ERR(text):
+        KSR.err(text)
+
+
 parser = ConfigParser()
 parser.optionxform = str
 with open("/etc/kamailio/kamctlrc") as stream:
@@ -100,27 +107,27 @@ def lockGw (self):
 
     def handler(self, msg, args):
         Logger.LM_ERR("Loggers.py:      LM_ERR: msg: %s" % str(args))
-        Logger.LM_ERR('RequestGw.handler(%s, %s)\n' % (msg.Type, str(args)))
-        if (msg.Type == 'SIP_REQUEST' and
-            (any((msg.RURI).find(d) != -1 for d in self.sipDomains) or
-             (msg.RURI).find(self.publicIP) != -1)):
-            if msg.Method == 'INVITE' and (msg.RURI).find(self.gwNamePart) == -1:
-                Logger.LM_ERR('SIP request, method = %s, RURI = %s, From = %s\n' % (msg.Method, msg.RURI, msg.getHeader('from')))
-                uri = msg.RURI
+        Logger.LM_ERR('RequestGw.handler(%s, %s)\n' % (KSR.pv.get("$mt"), str(args)))
+        if (KSR.pv.get("$mt") == 1 and
+            (any(KSR.pv.get("$ru").find(d) != -1 for d in self.sipDomains) or
+             KSR.pv.get("$ru").find(self.publicIP) != -1)):
+            if KSR.pv.get("$rm") == 'INVITE' and KSR.pv.get("$ru").find(self.gwNamePart) == -1:
+                Logger.LM_ERR('SIP request, method = %s, RURI = %s, From = %s\n' % (KSR.pv.get("$rm"), KSR.pv.get("$ru"), KSR.pv.get("$hdr(From)")))
+                uri = KSR.pv.get("$ru")
                 room = (uri.split(":", 1)[1]).split('@')[0]
                 displayName = ""
-                if "<" in msg.getHeader('from'):
-                    displayName = (msg.getHeader('from').split('<')[0])
+                if "<" in KSR.pv.get("$hdr(From)"):
+                    displayName = (KSR.pv.get("$hdr(From)").split('<')[0])
                 Logger.LM_ERR('Room Name %s\n' % room )
                 gwRes = self.lockGw()
                 if gwRes:
                     gwUri = gwRes['username']
                     gwSocket = gwRes['socket'].split(':')[1]
                     Logger.LM_ERR('Returned Gateway: %s\n' % gwUri)
-                    msg.rewrite_ruri("sip:%s@%s" % (gwUri, gwSocket))
+                    KSR.pv.sets("$ru", "sip:%s@%s" % (gwUri, gwSocket))
                     displayNameWRoom = '"%s-%s%s"' % (str(len(room)), room, displayName.replace('"',''))
                     KSR.uac.uac_replace_from(displayNameWRoom, "")
-                    Logger.LM_ERR('########## SIP request, method = %s, RURI = %s, From = %s\n' % (msg.Method, msg.RURI, msg.getHeader('from')))
+                    Logger.LM_ERR('########## SIP request, method = %s, RURI = %s, From = %s\n' % (KSR.pv.get("$rm"), KSR.pv.get("$ru"), KSR.pv.get("$hdr(From)")))
 
         return 1