diff --git a/engine/Configuration.cpp b/engine/Configuration.cpp
index 4998dafa..def4b91c 100644
--- a/engine/Configuration.cpp
+++ b/engine/Configuration.cpp
@@ -77,10 +77,11 @@ const char* Configuration::getValue(const String& sect, const String& key, const
     return s ? s->c_str() : defvalue;
 }
 
-int Configuration::getIntValue(const String& sect, const String& key, int defvalue) const
+int Configuration::getIntValue(const String& sect, const String& key, int defvalue,
+    int minvalue, int maxvalue, bool clump) const
 {
     const NamedString *s = getKey(sect,key);
-    return s ? s->toInteger(defvalue) : defvalue;
+    return s ? s->toInteger(defvalue,0,minvalue,maxvalue,clump) : defvalue;
 }
 
 int Configuration::getIntValue(const String& sect, const String& key, const TokenDict* tokens, int defvalue) const
diff --git a/engine/NamedList.cpp b/engine/NamedList.cpp
index d46efedb..d92dd3c7 100644
--- a/engine/NamedList.cpp
+++ b/engine/NamedList.cpp
@@ -281,10 +281,11 @@ const char* NamedList::getValue(const String& name, const char* defvalue) const
     return s ? s->c_str() : defvalue;
 }
 
-int NamedList::getIntValue(const String& name, int defvalue) const
+int NamedList::getIntValue(const String& name, int defvalue, int minvalue, int maxvalue,
+    bool clump) const
 {
     const NamedString *s = getParam(name);
-    return s ? s->toInteger(defvalue) : defvalue;
+    return s ? s->toInteger(defvalue,0,minvalue,maxvalue,clump) : defvalue;
 }
 
 int NamedList::getIntValue(const String& name, const TokenDict* tokens, int defvalue) const
diff --git a/engine/String.cpp b/engine/String.cpp
index 588716d6..f5903bec 100644
--- a/engine/String.cpp
+++ b/engine/String.cpp
@@ -417,7 +417,8 @@ String String::substr(int offs, int len) const
     return String(c_str()+offs,len);
 }
 
-int String::toInteger(int defvalue, int base) const
+int String::toInteger(int defvalue, int base, int minvalue, int maxvalue,
+    bool clump) const
 {
     if (!m_string)
 	return defvalue;
@@ -425,7 +426,11 @@ int String::toInteger(int defvalue, int base) const
     int val = strtoi(m_string,&eptr,base);
     if (!eptr || *eptr)
 	return defvalue;
-    return val;
+    if (val >= minvalue && val <= maxvalue)
+	return val;
+    if (clump)
+	return (val < minvalue) ? minvalue : maxvalue;
+    return defvalue;
 }
 
 int String::toInteger(const TokenDict* tokens, int defvalue, int base) const
diff --git a/modules/ysipchan.cpp b/modules/ysipchan.cpp
index cc93737e..8b85f370 100644
--- a/modules/ysipchan.cpp
+++ b/modules/ysipchan.cpp
@@ -1125,16 +1125,6 @@ static unsigned int getMaxpkt(int val, int defVal)
     return 524;
 }
 
-// Retrieve an integer value from a list
-// Check bounds. Return default value if out of bounds
-static inline int checkIntValue(NamedList& params, const String& param, int def, int min, int max)
-{
-    int tmp = params.getIntValue(param,def);
-    if (tmp >= min && tmp <= max)
-	return tmp;
-    return def;
-}
-
 // Skip tabs, spaces, CR and LF from buffer start
 // Return true if the buffer changed
 static bool skipSpaces(String& buf, bool crlf = true)
@@ -3052,8 +3042,7 @@ void YateSIPTCPListener::init(const NamedList& params, bool first)
 	    Debug(&plugin,DebugConf,"Listener(%s,'%s') ssl context is empty [%p]",
 		protoName(),c_str(),this);
     }
-    int backlog = params.getIntValue("backlog",5);
-    m_backlog = (backlog >= 0 ? backlog : 0);
+    m_backlog = params.getIntValue("backlog",5,0);
     m_bind = setAddr(addr,port) || first;
     m_transParamsChanged = m_transParamsChanged || first;
     if (rtpLip != m_transParams["rtp_localip"]) {
@@ -3437,8 +3426,8 @@ void YateSIPEngine::initialize(NamedList* params)
     NamedList dummy("");
     if (!params)
 	params = &dummy;
-    m_reqTransCount = checkIntValue(*params,"sip_req_trans_count",4,2,10);
-    m_rspTransCount = checkIntValue(*params,"sip_rsp_trans_count",5,2,10);
+    m_reqTransCount = params->getIntValue("sip_req_trans_count",4,2,10,false);
+    m_rspTransCount = params->getIntValue("sip_rsp_trans_count",5,2,10,false);
     DDebug(this,DebugAll,"Initialized sip_req_trans_count=%d sip_rsp_trans_count=%d",
 	m_reqTransCount,m_rspTransCount);
 }
@@ -7370,11 +7359,7 @@ void SIPDriver::initialize()
     m_parser.initialize(s_cfg.getSection("codecs"),s_cfg.getSection("hacks"),s_cfg.getSection("general"));
     if (!m_endpoint) {
 	Thread::Priority prio = Thread::priority(s_cfg.getValue("general","thread"));
-	unsigned int partyMutexCount = s_cfg.getIntValue("general","party_mutexcount",47);
-	if (partyMutexCount < 13)
-	    partyMutexCount = 13;
-	else if (partyMutexCount > 101)
-	    partyMutexCount = 101;
+	unsigned int partyMutexCount = s_cfg.getIntValue("general","party_mutexcount",47,13,101);
 	m_endpoint = new YateSIPEndPoint(prio,partyMutexCount);
 	if (!(m_endpoint->Init())) {
 	    delete m_endpoint;
diff --git a/yateclass.h b/yateclass.h
index 07034340..489a8899 100644
--- a/yateclass.h
+++ b/yateclass.h
@@ -29,6 +29,7 @@
 #error C++ is required
 #endif
 
+#include <limits.h>
 #include <sys/types.h>
 #include <stddef.h>
 #include <unistd.h>
@@ -1573,9 +1574,14 @@ public:
      * Convert the string to an integer value.
      * @param defvalue Default to return if the string is not a number
      * @param base Numeration base, 0 to autodetect
+     * @param minvalue Minimum value allowed
+     * @param maxvalue Maximum value allowed
+     * @param clump Control the out of bound values: true to adjust to the nearest
+     *  bound, false to return the default value
      * @return The integer interpretation or defvalue.
      */
-    int toInteger(int defvalue = 0, int base = 0) const;
+    int toInteger(int defvalue = 0, int base = 0, int minvalue = INT_MIN,
+	int maxvalue = INT_MAX, bool clump = true) const;
 
     /**
      * Convert the string to an integer value looking up first a token table.
@@ -3599,9 +3605,14 @@ public:
      * Retrieve the numeric value of a parameter.
      * @param name Name of parameter to locate
      * @param defvalue Default value to return if not found
+     * @param minvalue Minimum value allowed for the parameter
+     * @param maxvalue Maximum value allowed for the parameter
+     * @param clump Control the out of bound values: true to adjust to the nearest
+     *  bound, false to return the default value
      * @return The number contained in the named parameter or the default
      */
-    int getIntValue(const String& name, int defvalue = 0) const;
+    int getIntValue(const String& name, int defvalue = 0, int minvalue = INT_MIN,
+	int maxvalue = INT_MAX, bool clump = true) const;
 
     /**
      * Retrieve the numeric value of a parameter trying first a table lookup.
diff --git a/yatengine.h b/yatengine.h
index be3b924f..3f88b2c5 100644
--- a/yatengine.h
+++ b/yatengine.h
@@ -105,9 +105,14 @@ public:
      * @param sect Name of the section
      * @param key Name of the key in section
      * @param defvalue Default value to return if not found
+     * @param minvalue Minimum value allowed for the parameter
+     * @param maxvalue Maximum value allowed for the parameter
+     * @param clump Control the out of bound values: true to adjust to the nearest
+     *  bound, false to return the default value
      * @return The number contained in the key or the default
      */
-    int getIntValue(const String& sect, const String& key, int defvalue = 0) const;
+    int getIntValue(const String& sect, const String& key, int defvalue = 0,
+	int minvalue = INT_MIN, int maxvalue = INT_MAX, bool clump = true) const;
 
     /**
      * Retrieve the numeric value of a key in a section trying first a table lookup.