diff --git a/ietf/settings.py b/ietf/settings.py
index 349e809df..d7f1e7177 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -1122,6 +1122,7 @@ if DEBUG:
 
 STATS_NAMES_LIMIT = 25
 
+UTILS_MEETING_CONFERENCE_DOMAINS = ['webex.com', 'zoom.us', 'jitsi.org', 'meetecho.com', ]
 UTILS_TEST_RANDOM_STATE_FILE = '.factoryboy_random_state'
 UTILS_APIKEY_GUI_LOGIN_LIMIT_DAYS = 30
 
diff --git a/ietf/templates/meeting/agenda.html b/ietf/templates/meeting/agenda.html
index dd84b34e6..f4a60fe50 100644
--- a/ietf/templates/meeting/agenda.html
+++ b/ietf/templates/meeting/agenda.html
@@ -324,7 +324,7 @@
                       <span class="label label-danger pull-right">CANCELLED</span>
                     {% endif %}
 
-                    {% if item.session.agenda_note|first_url %}
+                    {% if item.session.agenda_note|first_url|conference_url %}
                       <br><a href={{item.session.agenda_note|first_url}}>{{item.session.agenda_note|slice:":23"}}</a>
                     {% elif item.session.agenda_note %}
                       <br><span class="text-danger">{{item.session.agenda_note}}</span>
diff --git a/ietf/templates/meeting/interim_session_buttons.html b/ietf/templates/meeting/interim_session_buttons.html
index 33277a0be..df1371144 100644
--- a/ietf/templates/meeting/interim_session_buttons.html
+++ b/ietf/templates/meeting/interim_session_buttons.html
@@ -32,13 +32,13 @@
   {% if now < item.timeslot.end_time %}
       <!-- Jabber -->
       <a class="" href="xmpp:{{session.jabber_room_name}}@jabber.ietf.org?join" title="Jabber room for {{session.jabber_room_name}}"><span class="fa fa-fw fa-lightbulb-o"></span></a>
-      <!-- webex -->
-      {% if "webex.com/" in session.agenda_note|first_url %}
+      <!-- Remote call-in -->
+      {% if session.agenda_note|first_url|conference_url %}
 	<a class=""
 	  href="{{ session.agenda_note|first_url }}"
-	  title="Webex session"><span class="fa fa-fw fa-phone"></span>
+	  title="Session call-in"><span class="fa fa-fw fa-phone"></span>
 	</a>
-      {% elif session.remote_instructions|first_url %}
+      {% elif session.remote_instructions|first_url|conference_url %}
 	<a class=""
 	  href="{{ session.remote_instructions|first_url }}"
 	  title="Session call-in"><span class="fa fa-fw fa-phone"></span>
@@ -57,7 +57,7 @@
       {% else %}
 	<span class="">
 	  <span class="fa fa-fw fa-phone" style="color: #ddd;"
-		title="No webex or meetecho info found in remote instructions or agenda note"></span>
+		title="No remote call-in info found in remote instructions or agenda note"></span>
 	</span>
       {% endif %}
   {% else %}
diff --git a/ietf/templates/meeting/session_buttons_include.html b/ietf/templates/meeting/session_buttons_include.html
index fc6ba4291..ea3ecc0bc 100644
--- a/ietf/templates/meeting/session_buttons_include.html
+++ b/ietf/templates/meeting/session_buttons_include.html
@@ -50,11 +50,16 @@
         title="Audio stream"><span class="glyphicon glyphicon-headphones"></span>
       </a>
     {% endif %}
-    <!-- WebEx -->
-    {% if "webex.com/" in session.agenda_note|first_url %}
+    <!-- Remote call-in -->
+    {% if session.agenda_note|first_url|conference_url %}
       <a class=""
         href="{{ session.agenda_note|first_url }}"
-        title="Webex session"><span class="fa fa-fw fa-phone"></span>
+        title="Session call-in"><span class="fa fa-fw fa-phone"></span>
+      </a>
+    {% elif session.remote_instructions|first_url|conference_url %}
+      <a class=""
+        href="{{ session.remote_instructions|first_url }}"
+        title="Session call-in"><span class="fa fa-fw fa-phone"></span>
       </a>
     {% elif item.timeslot.location.webex_url %}
         <a class=""
diff --git a/ietf/templates/meeting/session_details_panel.html b/ietf/templates/meeting/session_details_panel.html
index 45ecef559..bb1889d99 100644
--- a/ietf/templates/meeting/session_details_panel.html
+++ b/ietf/templates/meeting/session_details_panel.html
@@ -40,15 +40,15 @@
       {% if meeting.type.slug == 'interim' and session.remote_instructions %}
       <div>
          <b>Remote instructions:</b>
-         {% if "https://ietf.webex.com" in session.agenda_note|first_url %}
+         {% if session.agenda_note|first_url|conference_url %}
            <a class=""
              href="{{ session.agenda_note|first_url }}"
-             title="Webex session"><span class="fa fa-fw fa-phone"></span>
+             title="Session call-in"><span class="fa fa-fw fa-phone"></span>
            </a>
-         {% elif "https://ietf.webex.com" in session.remote_instructions|first_url %}
+         {% elif session.remote_instructions|first_url|conference_url %}
            <a class=""
              href="{{ session.remote_instructions|first_url }}"
-             title="Webex session"><span class="fa fa-fw fa-phone"></span>
+             title="Session call-in"><span class="fa fa-fw fa-phone"></span>
            </a>
          {% endif %}
          {{ session.remote_instructions }}
diff --git a/ietf/utils/templatetags/textfilters.py b/ietf/utils/templatetags/textfilters.py
index 980915330..fed4144c7 100644
--- a/ietf/utils/templatetags/textfilters.py
+++ b/ietf/utils/templatetags/textfilters.py
@@ -6,6 +6,7 @@ import re
 import bleach
 
 from django import template
+from django.conf import settings
 from django.template.defaultfilters import stringfilter
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
@@ -84,3 +85,12 @@ def first_url(value):
     urls = re.findall(r"http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+", value)
     url = urls[0] if urls else None
     return url
+
+@register.filter
+@stringfilter
+def conference_url(value):
+    conf_re = r"http[s]?://\S*(%s)/" % ('|'.join(settings.UTILS_MEETING_CONFERENCE_DOMAINS), )
+    return value if re.match(conf_re, value) else None
+
+
+    
\ No newline at end of file