diff --git a/conf/sip_profiles/external.xml b/conf/sip_profiles/external.xml
index 5f6435f141..8f1076364c 100644
--- a/conf/sip_profiles/external.xml
+++ b/conf/sip_profiles/external.xml
@@ -25,7 +25,7 @@
     <param name="sip-port" value="$${external_sip_port}"/>
     <param name="dialplan" value="XML"/>
     <param name="context" value="public"/>
-    <param name="dtmf-duration" value="100"/>
+    <param name="dtmf-duration" value="2000"/>
     <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/>
     <param name="outbound-codec-prefs" value="$${outbound_codec_prefs}"/>
     <param name="hold-music" value="$${hold_music}"/>
diff --git a/conf/sip_profiles/internal-ipv6.xml b/conf/sip_profiles/internal-ipv6.xml
index 755e172dbf..1e9019a720 100644
--- a/conf/sip_profiles/internal-ipv6.xml
+++ b/conf/sip_profiles/internal-ipv6.xml
@@ -13,7 +13,7 @@
     <!-- port to bind to for sip traffic -->
     <param name="sip-port" value="$${internal_sip_port}"/>
     <param name="dialplan" value="XML"/>
-    <param name="dtmf-duration" value="100"/>
+    <param name="dtmf-duration" value="2000"/>
     <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/>
     <param name="outbound-codec-prefs" value="$${global_codec_prefs}"/>
     <param name="use-rtp-timer" value="true"/>
diff --git a/conf/sip_profiles/internal.xml b/conf/sip_profiles/internal.xml
index 11df053f8f..1e319faf67 100644
--- a/conf/sip_profiles/internal.xml
+++ b/conf/sip_profiles/internal.xml
@@ -48,7 +48,7 @@
     <!-- port to bind to for sip traffic -->
     <param name="sip-port" value="$${internal_sip_port}"/>
     <param name="dialplan" value="XML"/>
-    <param name="dtmf-duration" value="100"/>
+    <param name="dtmf-duration" value="2000"/>
     <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/>
     <param name="outbound-codec-prefs" value="$${global_codec_prefs}"/>
     <param name="rtp-timer-name" value="soft"/>
diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 06e6c4bb7a..835155e0b4 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -2477,7 +2477,7 @@ switch_status_t reconfig_sofia(sofia_profile_t *profile)
 						profile->challenge_realm = switch_core_strdup(profile->pool, val);
 					} else if (!strcasecmp(var, "dtmf-duration")) {
 						uint32_t dur = atoi(val);
-						if (dur > switch_core_min_dtmf_duration(0) && dur < switch_core_max_dtmf_duration(0)) {
+						if (dur >= switch_core_min_dtmf_duration(0) && dur <= switch_core_max_dtmf_duration(0)) {
 							profile->dtmf_duration = dur;
 						} else {
 							profile->dtmf_duration = SWITCH_DEFAULT_DTMF_DURATION;
@@ -3259,7 +3259,7 @@ switch_status_t config_sofia(int reload, char *profile_name)
 						profile->challenge_realm = switch_core_strdup(profile->pool, val);
 					} else if (!strcasecmp(var, "dtmf-duration")) {
 						uint32_t dur = atoi(val);
-						if (dur > switch_core_min_dtmf_duration(0) && dur < switch_core_max_dtmf_duration(0)) {
+						if (dur >= switch_core_min_dtmf_duration(0) && dur <= switch_core_max_dtmf_duration(0)) {
 							profile->dtmf_duration = dur;
 						} else {
 							profile->dtmf_duration = SWITCH_DEFAULT_DTMF_DURATION;