diff -Naur chestnut-dialer-0.3.3-orig/chestnut_dialer/def_config.xml chestnut-dialer-0.3.3/chestnut_dialer/def_config.xml
--- chestnut-dialer-0.3.3-orig/chestnut_dialer/def_config.xml	2007-02-19 02:05:11 +0200
+++ chestnut-dialer-0.3.3/chestnut_dialer/def_config.xml	2007-09-25 18:21:00 +0300
@@ -50,8 +50,8 @@
     modem="1"
     modem-term="\r\n"
     modem-timeout="3"
-    mru="296" 
-    mtu="296" 
+    mru="1500" 
+    mtu="500" 
     mute-cmd="ATM0L0" 
     name="" 
     noanswer-resp="NO ANSWER" 
diff -Naur chestnut-dialer-0.3.3-orig/chestnut_dialer/gtk2_ui/config.glade chestnut-dialer-0.3.3/chestnut_dialer/gtk2_ui/config.glade
--- chestnut-dialer-0.3.3-orig/chestnut_dialer/gtk2_ui/config.glade	2007-02-27 20:01:49 +0200
+++ chestnut-dialer-0.3.3/chestnut_dialer/gtk2_ui/config.glade	2007-09-25 18:21:42 +0300
@@ -3406,7 +3406,7 @@
 		      <property name="update_policy">GTK_UPDATE_ALWAYS</property>
 		      <property name="snap_to_ticks">False</property>
 		      <property name="wrap">False</property>
-		      <property name="adjustment">296 128 99999 1 10 10</property>
+		      <property name="adjustment">1500 128 99999 1 10 10</property>
 		    </widget>
 		    <packing>
 		      <property name="padding">0</property>
@@ -3459,7 +3459,7 @@
 		      <property name="update_policy">GTK_UPDATE_ALWAYS</property>
 		      <property name="snap_to_ticks">False</property>
 		      <property name="wrap">False</property>
-		      <property name="adjustment">296 128 99999 1 10 10</property>
+		      <property name="adjustment">500 128 99999 1 10 10</property>
 		    </widget>
 		    <packing>
 		      <property name="padding">0</property>
@@ -7328,7 +7328,7 @@
 		      <property name="update_policy">GTK_UPDATE_ALWAYS</property>
 		      <property name="snap_to_ticks">False</property>
 		      <property name="wrap">False</property>
-		      <property name="adjustment">296 128 99999 1 10 10</property>
+		      <property name="adjustment">1500 128 99999 1 10 10</property>
 		    </widget>
 		    <packing>
 		      <property name="padding">0</property>
@@ -7367,7 +7367,7 @@
 		      <property name="update_policy">GTK_UPDATE_ALWAYS</property>
 		      <property name="snap_to_ticks">False</property>
 		      <property name="wrap">False</property>
-		      <property name="adjustment">296 128 99999 1 10 10</property>
+		      <property name="adjustment">500 128 99999 1 10 10</property>
 		    </widget>
 		    <packing>
 		      <property name="padding">0</property>
diff -Naur chestnut-dialer-0.3.3-orig/chestnut_dialer/qt_ui/editdefaccountdialog.ui chestnut-dialer-0.3.3/chestnut_dialer/qt_ui/editdefaccountdialog.ui
--- chestnut-dialer-0.3.3-orig/chestnut_dialer/qt_ui/editdefaccountdialog.ui	2007-02-27 20:03:36 +0200
+++ chestnut-dialer-0.3.3/chestnut_dialer/qt_ui/editdefaccountdialog.ui	2007-09-25 18:21:58 +0300
@@ -1068,7 +1068,7 @@
                             <number>128</number>
                         </property>
                         <property name="value">
-                            <number>296</number>
+                            <number>500</number>
                         </property>
                     </widget>
                     <widget class="QSpinBox" row="3" column="1">
@@ -1090,7 +1090,7 @@
                             <number>128</number>
                         </property>
                         <property name="value">
-                            <number>296</number>
+                            <number>1500</number>
                         </property>
                     </widget>
                     <widget class="QFrame" row="2" column="2" rowspan="2" colspan="1">