diff --git a/app/src/main/kotlin/com/tutpro/baresip/Account.kt b/app/src/main/kotlin/com/tutpro/baresip/Account.kt
index 6034863e..de83f1fe 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Account.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Account.kt
@@ -22,6 +22,7 @@ class Account(val accp: Long) {
     var audioCodec = ArrayList<String>()
     var videoCodec = ArrayList<String>()
     var regint = Api.account_regint(accp)
+    var configuredRegInt = REGISTRATION_INTERVAL
     var mediaEnc = Api.account_mediaenc(accp)
     var rtcpMux = Api.account_rtcp_mux(accp)
     var dtmfMode = Api.account_dtmfmode(accp)
@@ -66,6 +67,8 @@ class Account(val accp: Long) {
         val extra = Api.account_extra(accp)
         if (Utils.paramExists(extra, "nickname"))
             nickName = Utils.paramValue(extra,"nickname")
+        if (Utils.paramExists(extra, "regint"))
+            configuredRegInt = Utils.paramValue(extra,"regint").toInt()
         callHistory = Utils.paramValue(extra,"call_history") == ""
         if (Utils.paramExists(extra, "country_code"))
             countryCode = Utils.paramValue(extra,"country_code")
@@ -144,7 +147,10 @@ class Account(val accp: Long) {
         if (countryCode != "")
             extra += ";country_code=$countryCode"
 
-        if (extra != "")
+        if (configuredRegInt != REGISTRATION_INTERVAL)
+            extra += ";regint=$configuredRegInt"
+
+        if (extra !="")
             res += ";extra=\"" + extra.substringAfter(";") + "\""
 
         return res
diff --git a/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
index 5680afb5..8ae065a9 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
@@ -40,6 +40,7 @@ class AccountActivity : AppCompatActivity() {
     private lateinit var stunUser: EditText
     private lateinit var stunPass: EditText
     private lateinit var regCheck: CheckBox
+    private lateinit var regInt: EditText
     private lateinit var mediaNatSpinner: Spinner
     private lateinit var mediaEnc: String
     private lateinit var mediaEncSpinner: Spinner
@@ -84,6 +85,7 @@ class AccountActivity : AppCompatActivity() {
         authPass = binding.AuthPass
         outbound = arrayOf(binding.Outbound1, binding.Outbound2)
         regCheck = binding.Register
+        regInt = binding.RegInt
         mediaNatSpinner = binding.mediaNatSpinner
         stun = binding.Stun
         stunServer = binding.StunServer
@@ -234,6 +236,7 @@ class AccountActivity : AppCompatActivity() {
         }
 
         regCheck.isChecked = acc.regint > 0
+        regInt.setText(acc.configuredRegInt.toString())
 
         this.acc.audioCodec = acc.audioCodec
 
@@ -485,26 +488,38 @@ class AccountActivity : AppCompatActivity() {
                     save = true
                 }
 
-                var newRegint = -1
-                if (regCheck.isChecked) {
-                    if (acc.regint != REGISTRATION_INTERVAL) {
-                        newRegint = REGISTRATION_INTERVAL
-                        ua.status = R.drawable.dot_yellow
-                    }
-                } else {
-                    if (acc.regint != 0) {
-                        ua.status = R.drawable.dot_white
-                        newRegint = 0
-                    }
+                val newConfiguredRegInt = regInt.text.toString().trim().toInt()
+                if (newConfiguredRegInt < 60 || newConfiguredRegInt > 3600) {
+                    Utils.alertView(
+                        this, getString(R.string.notice),
+                        String.format(getString(R.string.invalid_reg_int), newConfiguredRegInt)
+                    )
+                    return false
                 }
-                if (newRegint != -1) {
-                    if (Api.account_set_regint(acc.accp, newRegint) != 0) {
+                val reRegister = (regCheck.isChecked != acc.regint > 0) ||
+                        (regCheck.isChecked && newConfiguredRegInt != acc.configuredRegInt)
+                if (reRegister) {
+                    if (Api.account_set_regint(
+                            acc.accp,
+                            if (regCheck.isChecked) newConfiguredRegInt else 0
+                        ) != 0
+                    ) {
                         Log.e(TAG, "Setting of regint failed")
                     } else {
+                        ua.status = if (regCheck.isChecked)
+                            R.drawable.dot_yellow
+                        else
+                            R.drawable.dot_white
                         acc.regint = Api.account_regint(acc.accp)
+                        acc.configuredRegInt = newConfiguredRegInt
                         Log.d(TAG, "New regint is ${acc.regint}")
                         save = true
                     }
+                } else {
+                    if (newConfiguredRegInt != acc.configuredRegInt) {
+                        acc.configuredRegInt = newConfiguredRegInt
+                        save = true
+                    }
                 }
 
                 if (mediaNat != acc.mediaNat) {
@@ -660,8 +675,8 @@ class AccountActivity : AppCompatActivity() {
 
                 if (save) {
                     AccountsActivity.saveAccounts()
-                    if (newRegint != -1) {
-                        if (newRegint == 0)
+                    if (reRegister) {
+                        if (acc.regint == 0)
                             Api.ua_unregister(ua.uap)
                         else
                             Api.ua_register(ua.uap)
diff --git a/app/src/main/res/layout/activity_account.xml b/app/src/main/res/layout/activity_account.xml
index 17e21f71..a183ef34 100644
--- a/app/src/main/res/layout/activity_account.xml
+++ b/app/src/main/res/layout/activity_account.xml
@@ -161,6 +161,33 @@
             </CheckBox>
         </RelativeLayout>
 
+        <RelativeLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal" >
+            <TextView
+                android:id="@+id/RegIntTitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentStart="true"
+                android:layout_centerVertical="true"
+                android:layout_toStartOf="@id/RegInt"
+                android:textSize="18sp"
+                android:text="@string/reg_int" >
+            </TextView>
+            <EditText
+                android:id="@+id/RegInt"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_gravity="end"
+                android:layout_centerVertical="true"
+                android:textSize="18sp"
+                android:inputType="number"
+                android:importantForAutofill="no" >
+            </EditText>
+        </RelativeLayout>
+
         <TextView
             android:id="@+id/AudioCodecsTitle"
             android:layout_width="wrap_content"
@@ -355,25 +382,35 @@
             android:layout_width="fill_parent">
         </EditText>
 
-        <TextView
-            android:id="@+id/CountryCodeTitle"
+        <RelativeLayout
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:paddingTop="10dp"
-            android:textSize="18sp"
-            android:text="@string/country_code" >
-        </TextView>
-
-        <EditText
-            android:id="@+id/countryCode"
-            android:layout_height="wrap_content"
-            android:hint="@string/country_code_hint"
-            android:textColorHint="@color/colorSecondaryDark"
-            android:textSize="18sp"
-            android:inputType="phone"
-            android:importantForAutofill="no"
-            android:layout_width="fill_parent">
-        </EditText>
+            android:orientation="horizontal" >
+            <TextView
+                android:id="@+id/CountryCodeTitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentStart="true"
+                android:layout_centerVertical="true"
+                android:layout_toStartOf="@id/countryCode"
+                android:paddingTop="10dp"
+                android:textSize="18sp"
+                android:text="@string/country_code" >
+            </TextView>
+            <EditText
+                android:id="@+id/countryCode"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_gravity="end"
+                android:layout_centerVertical="true"
+                android:hint="@string/country_code_hint"
+                android:textColorHint="@color/colorSecondaryDark"
+                android:textSize="18sp"
+                android:inputType="phone"
+                android:importantForAutofill="no" >
+            </EditText>
+        </RelativeLayout>
 
         <TextView
             android:id="@+id/TelephonyProviderTitle"
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index ba2c8856..74b0b6a7 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -138,9 +138,12 @@
         välityspalvelimen SIP URI</string>
     <string name="invalid_proxy_server_uri">Virheellinen välityspalvelimen URI \'%1$s\'</string>
     <string name="register">Rekisteröi</string>
-    <string name="register_help">Jos merkitty, rekisteröinti on
-        aktiivinen ja REGISTER-sanomat lähetetään noin 12 minuutin välein.
-    </string>
+    <string name="register_help">Jos merkitty, rekisteröinti on aktiivinen ja REGISTER-sanomat
+        lähetetään Rekisteröintitaajuus-asetuksen mukaisesti.</string>
+    <string name="reg_int">Rekisteröintitaajuus</string>
+    <string name="reg_int_help">Kertoo kuinka usein baresip lähettää REGISTER-sanomia. Arvon on
+        oltava välillä 60-3600 (sekunttia).</string>
+    <string name="invalid_reg_int">Virheellinen Rekisteröintitaajuus \'%1$s\'</string>
     <string name="media_nat">Media NAT hallinta</string>
     <string name="media_nat_help">Valitsee media NAT hallintaprotokollan
         (vapaaehtoinen). Vaihtoehtoja ovat STUN (Session Traversal Utilities
@@ -385,7 +388,9 @@
     <string name="debug">Lokiviestit</string>
     <string name="debug_help">Jos merkitty, baresip tuottaa debug- ja info-tason Logcat-viestejä.</string>
     <string name="sip_trace">SIP-sanomien jäljitys</string>
-    <string name="sip_trace_help">Jos merkitty ja jos Lokiviestit on merkitty, Logcat-viestit sisältävät myös lähetetyt ja vastaanotetut SIP-sanomat. On aina merkitsemättä sovelluksen käynnistyessä.</string>
+    <string name="sip_trace_help">Jos merkitty ja jos Lokiviestit on merkitty, Logcat-viestit
+        sisältävät myös lähetetyt ja vastaanotetut SIP-sanomat. On aina merkitsemättä sovelluksen
+        käynnistyessä.</string>
     <string name="reset_config">Palauta oletusasetukset</string>
     <string name="reset_config_help">Jos merkitty, oletusasetukset palautetaan, kun
         baresip seuraavan kerran käynnistetään.
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 03fe9a6c..c8078468 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -139,9 +139,12 @@
     <string name="sip_uri_of_another_proxy_server">SIP URI of another Proxy Server</string>
     <string name="invalid_proxy_server_uri">Invalid Proxy Server URI \'%1$s\'</string>
     <string name="register">Register</string>
-    <string name="register_help">If checked, registration is enabled and REGISTER requests are sent at
-        12 minute intervals.
-    </string>
+    <string name="register_help">If checked, registration is enabled and REGISTER requests are sent
+        at the interval specified by Registration Interval.</string>
+    <string name="reg_int">Registration Interval</string>
+    <string name="reg_int_help">Tells how often (in seconds) baresip sends REGISTER requests.
+        Valid values are from 60 to 3600.</string>
+    <string name="invalid_reg_int">Invalid Registration Interval\'%1$s\'</string>
     <string name="media_nat">Media NAT Traversal</string>
     <string name="media_nat_help">Selects media NAT traversal protocol (if any).  Possible choices are STUN
         (Session Traversal Utilities for NAT, RFC 5389) and ICE (Interactive Connectivity