diff --git a/Gemfile.lock b/Gemfile.lock
index db0e6de5..82a33983 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ PATH
     bigbluebutton_rails (3.0.1)
       activerecord-import (~> 1.0)
       bigbluebutton-api-ruby (~> 1.6)
-      browser (~> 0.8.0)
+      browser (~> 2.0.0)
       rails (>= 4.0.0)
       resque (~> 1.25.1)
       resque-scheduler (~> 3.0)
@@ -45,7 +45,7 @@ GEM
     awesome_print (1.2.0)
     bigbluebutton-api-ruby (1.7.0)
       xml-simple (~> 1.1)
-    browser (0.8.0)
+    browser (2.0.3)
     builder (3.2.2)
     capybara (2.2.1)
       mime-types (>= 1.16)
diff --git a/app/controllers/bigbluebutton/api/rooms_controller.rb b/app/controllers/bigbluebutton/api/rooms_controller.rb
index 0e7f4d14..4cdd54ae 100644
--- a/app/controllers/bigbluebutton/api/rooms_controller.rb
+++ b/app/controllers/bigbluebutton/api/rooms_controller.rb
@@ -57,7 +57,7 @@ def join
       options = options.map{ |k,v| { k.gsub(/^meta[-_]/, 'userdata-') => v } }.reduce(:merge)
     end
 
-    @url = @room.parameterized_join_url(@user_name, @user_role, nil, options)
+    @url = @room.parameterized_join_url(@user_name, @user_role, nil, options, request)
   end
 
   protected
diff --git a/app/controllers/bigbluebutton/rooms_controller.rb b/app/controllers/bigbluebutton/rooms_controller.rb
index 2c18fbae..73a4442b 100644
--- a/app/controllers/bigbluebutton/rooms_controller.rb
+++ b/app/controllers/bigbluebutton/rooms_controller.rb
@@ -331,7 +331,7 @@ def join_internal(username, role, id)
       end
 
       # room created and running, try to join it
-      url = @room.parameterized_join_url(username, role, id, {}, bigbluebutton_user)
+      url = @room.parameterized_join_url(username, role, id, {}, bigbluebutton_user, request)
 
       unless url.nil?
 
diff --git a/app/models/bigbluebutton_room.rb b/app/models/bigbluebutton_room.rb
index f0d83b65..664698d1 100644
--- a/app/models/bigbluebutton_room.rb
+++ b/app/models/bigbluebutton_room.rb
@@ -203,14 +203,14 @@ def send_end
   # * <tt>moderator_api_password</tt>
   #
   # Triggers API call: <tt>create</tt>.
-  def send_create(user=nil)
+  def send_create(user = nil, request = nil)
     self.meetingid = unique_meetingid() if self.meetingid.blank?
     self.moderator_api_password = internal_password() if self.moderator_api_password.blank?
     self.attendee_api_password = internal_password() if self.attendee_api_password.blank?
     self.save unless self.new_record?
 
     # Get the user options to use when creating the meeting
-    user_opts = BigbluebuttonRails.configuration.get_create_options.call(self, user)
+    user_opts = BigbluebuttonRails.configuration.get_create_options.call(self, user, request)
     user_opts = {} if user_opts.blank?
 
     server, response = internal_create_meeting(user, user_opts)
@@ -264,7 +264,7 @@ def join_url(username, role, key=nil, options={})
     r
   end
 
-  def parameterized_join_url(username, role, id, options={}, user=nil)
+  def parameterized_join_url(username, role, id, options = {}, user = nil, request = nil)
     opts = options.clone
 
     # gets the token with the configurations for this user/room
@@ -278,7 +278,9 @@ def parameterized_join_url(username, role, id, options={}, user=nil)
     opts.merge!({ userID: id }) unless id.blank? || options[:userID].present?
 
     # Get options passed by the application, if any
-    user_opts = BigbluebuttonRails.configuration.get_join_options.call(self, user, { username: username, role: role })
+    user_opts = BigbluebuttonRails.configuration.get_join_options.call(
+      self, user || { username: username, role: role }, request
+    )
     user_opts = {} if user_opts.blank?
     opts.merge!(user_opts)
 
@@ -330,11 +332,11 @@ def to_param
   # The create logic.
   # Will create the meeting in this room unless it is already running.
   # Returns true if the meeting was created.
-  def create_meeting(user=nil, request=nil)
+  def create_meeting(user = nil, request = nil)
     fetch_is_running?
     unless is_running?
       add_domain_to_logout_url(request.protocol, request.host_with_port) unless request.nil?
-      send_create(user)
+      send_create(user, request)
       true
     else
       false
diff --git a/bigbluebutton_rails.gemspec b/bigbluebutton_rails.gemspec
index 83cef660..2d3097d6 100644
--- a/bigbluebutton_rails.gemspec
+++ b/bigbluebutton_rails.gemspec
@@ -21,6 +21,6 @@ Gem::Specification.new do |s|
   s.add_dependency("bigbluebutton-api-ruby", "~> 1.6")
   s.add_dependency("resque", "~> 1.25.1")
   s.add_dependency("resque-scheduler", "~> 3.0")
-  s.add_dependency("browser", "~> 0.8.0")
+  s.add_dependency("browser", "~> 2.0.0")
   s.add_dependency("activerecord-import", "~> 1.0")
 end
diff --git a/lib/bigbluebutton_rails/configuration.rb b/lib/bigbluebutton_rails/configuration.rb
index 877937dd..3f26f4b4 100644
--- a/lib/bigbluebutton_rails/configuration.rb
+++ b/lib/bigbluebutton_rails/configuration.rb
@@ -71,11 +71,12 @@ def initialize
 
       # Define this method to return extra parameters to be passed to a `create` call.
       # `user` is the user creating the meeting, if any.
-      @get_create_options = Proc.new{ |room, user| nil }
+      @get_create_options = Proc.new{ |room, user, request = nil| nil }
 
       # Define this method to return extra parameters to be passed to a `join` call.
-      # `user` is the user joining the meeting, if any.
-      @get_join_options = Proc.new{ |room, user| nil }
+      # `user` is the user joining the meeting. If there's no user signed in, it will
+      # be a hash with the name and role set for the user joining.
+      @get_join_options = Proc.new{ |room, user, request = nil| nil }
 
       # Selects a server to be used by `room` whenever it needs to make API calls.
       # By default, if no servers are available an exception is raised.
diff --git a/lib/bigbluebutton_rails/utils.rb b/lib/bigbluebutton_rails/utils.rb
index 689d3770..4676f812 100644
--- a/lib/bigbluebutton_rails/utils.rb
+++ b/lib/bigbluebutton_rails/utils.rb
@@ -5,7 +5,7 @@ module BigbluebuttonRails
   # Returns whether the current client should use the mobile client
   # or the desktop client.
   def self.use_mobile_client?(browser)
-    browser.mobile? || browser.tablet?
+    browser.device.mobile? || browser.device.tablet?
   end
 
   # Just a wrapper around the Rails method to convert values to boolean
diff --git a/spec/controllers/bigbluebutton/api/rooms_controller_spec.rb b/spec/controllers/bigbluebutton/api/rooms_controller_spec.rb
index 23e8e3c7..c459132d 100644
--- a/spec/controllers/bigbluebutton/api/rooms_controller_spec.rb
+++ b/spec/controllers/bigbluebutton/api/rooms_controller_spec.rb
@@ -370,7 +370,8 @@
 
       context "attendee in a public room" do
         before {
-          room.should_receive(:parameterized_join_url).with('User 1', :attendee, nil, {}).and_return(expected_url)
+          room.should_receive(:parameterized_join_url)
+            .with('User 1', :attendee, nil, {}, controller.request).and_return(expected_url)
         }
         before(:each) { post :join, id: room.to_param, format: :json, name: 'User 1' }
         it { JSON.parse(response.body)['data']['id'].should eql(expected_url) }
@@ -379,7 +380,9 @@
       context "attendee in a private room" do
         before {
           room.update_attributes(private: true)
-          room.should_receive(:parameterized_join_url).with('User 1', :attendee, nil, {}).and_return(expected_url)
+          room.should_receive(:parameterized_join_url).with(
+            'User 1', :attendee, nil, {}, controller.request
+          ).and_return(expected_url)
         }
         before(:each) { post :join, id: room.to_param, format: :json, name: 'User 1', key: room.attendee_key }
         it { JSON.parse(response.body)['data']['id'].should eql(expected_url) }
@@ -388,7 +391,9 @@
       context "moderator in a private room" do
         before {
           room.update_attributes(private: true)
-          room.should_receive(:parameterized_join_url).with('User 1', :moderator, nil, {}).and_return(expected_url)
+          room.should_receive(:parameterized_join_url).with(
+            'User 1', :moderator, nil, {}, controller.request
+          ).and_return(expected_url)
         }
         before(:each) { post :join, id: room.to_param, format: :json, name: 'User 1', key: room.moderator_key }
         it { JSON.parse(response.body)['data']['id'].should eql(expected_url) }
@@ -399,7 +404,9 @@
           { 'userdata-param-1' => 1, 'userdata-param_2' => 'string-2' }
         }
         before {
-          room.should_receive(:parameterized_join_url).with('User 1', :attendee, nil, expected_meta).and_return(expected_url)
+          room.should_receive(:parameterized_join_url).with(
+            'User 1', :attendee, nil, expected_meta, controller.request
+          ).and_return(expected_url)
         }
         before(:each) {
           post :join, id: room.to_param, format: :json, name: 'User 1', key: room.moderator_key,
@@ -489,7 +496,9 @@
       }
 
       before {
-        room.should_receive(:parameterized_join_url).with('User 1', :guest, nil, {}).and_return(expected_url)
+        room.should_receive(:parameterized_join_url).with(
+          'User 1', :guest, nil, {}, controller.request
+        ).and_return(expected_url)
       }
       before(:each) { post :join, id: room.to_param, format: :json, name: 'User 1' }
       it { JSON.parse(response.body)['data']['id'].should eql(expected_url) }
diff --git a/spec/lib/bigbluebutton_rails/utils_spec.rb b/spec/lib/bigbluebutton_rails/utils_spec.rb
index de092fe1..b5584957 100644
--- a/spec/lib/bigbluebutton_rails/utils_spec.rb
+++ b/spec/lib/bigbluebutton_rails/utils_spec.rb
@@ -10,24 +10,24 @@
 
     context 'for a mobile device' do
       before do
-        @browser.stub(:mobile?).and_return(true)
-        @browser.stub(:tablet?).and_return(false)
+        @browser.stub_chain(:device, :mobile?).and_return(true)
+        @browser.stub_chain(:device, :tablet?).and_return(false)
       end
       it { BigbluebuttonRails.use_mobile_client?(@browser).should be(true) }
     end
 
     context 'for a tablet' do
       before do
-        @browser.stub(:mobile?).and_return(false)
-        @browser.stub(:tablet?).and_return(true)
+        @browser.stub_chain(:device, :mobile?).and_return(false)
+        @browser.stub_chain(:device, :tablet?).and_return(true)
       end
       it { BigbluebuttonRails.use_mobile_client?(@browser).should be(true) }
     end
 
     context 'not a mobile device nor tablet' do
       before do
-        @browser.stub(:mobile?).and_return(false)
-        @browser.stub(:tablet?).and_return(false)
+        @browser.stub_chain(:device, :mobile?).and_return(false)
+        @browser.stub_chain(:device, :tablet?).and_return(false)
       end
       it { BigbluebuttonRails.use_mobile_client?(@browser).should be(false) }
     end
@@ -35,7 +35,7 @@
     # some user-agents where errors happened in the past
     context 'user-agents' do
       it {
-        browser = Browser.new(ua: 'Mozilla/5.0 (iPad; CPU OS 8_1_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B466 Safari/600.1.4', accept_language: 'en-us')
+        browser = Browser.new('Mozilla/5.0 (iPad; CPU OS 8_1_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B466 Safari/600.1.4')
         BigbluebuttonRails.use_mobile_client?(browser).should be(true)
       }
     end
diff --git a/spec/models/bigbluebutton_room_spec.rb b/spec/models/bigbluebutton_room_spec.rb
index f58a7c30..ea767289 100644
--- a/spec/models/bigbluebutton_room_spec.rb
+++ b/spec/models/bigbluebutton_room_spec.rb
@@ -1021,6 +1021,7 @@
       let(:username) { Forgery(:name).full_name }
       let(:role) { :attendee }
       let(:id) { 'fake-user-id' }
+      let(:request) { double(ActionDispatch::Request) }
 
       context "sets a config token" do
         context "when it exists" do
@@ -1139,23 +1140,23 @@
             let(:user) { 'any user' }
             before {
               proc = double(Proc)
-              proc.should_receive(:call).with(room, user, {username: username, role: role} )
+              proc.should_receive(:call).with(room, user, request)
               BigbluebuttonRails.configuration.should_receive(:get_join_options).and_return(proc)
               room.stub(:fetch_new_token).and_return(nil)
               room.stub(:join_url)
             }
-            it { room.parameterized_join_url(username, role, nil, {}, user) }
+            it { room.parameterized_join_url(username, role, nil, {}, user, request) }
           end
 
           context "if the user is not passed in the arguments" do
             before {
               proc = double(Proc)
-              proc.should_receive(:call).with(room, nil, {username: username, role: role} )
+              proc.should_receive(:call).with(room, {username: username, role: role}, request)
               BigbluebuttonRails.configuration.should_receive(:get_join_options).and_return(proc)
               room.stub(:fetch_new_token).and_return(nil)
               room.stub(:join_url)
             }
-            it { room.parameterized_join_url(username, role, nil, {}, nil) }
+            it { room.parameterized_join_url(username, role, nil, {}, nil, request) }
           end
         end
       end
@@ -1408,7 +1409,12 @@
   describe "#create_meeting" do
     let(:room) { FactoryGirl.create(:bigbluebutton_room) }
     let(:user) { FactoryGirl.build(:user) }
-    before { room.should_receive(:fetch_is_running?) }
+    let(:request) { double(ActionDispatch::Request) }
+    before {
+      request.stub(:protocol).and_return("HTTP://")
+      request.stub(:host_with_port).and_return("test.com:80")
+      room.should_receive(:fetch_is_running?)
+    }
 
     context "when the conference is running" do
       before {
@@ -1421,9 +1427,9 @@
     context "when the conference is not running" do
       before {
         room.should_receive(:is_running?).and_return(false)
-        room.should_receive(:send_create).with(user)
+        room.should_receive(:send_create).with(user, request)
       }
-      subject { room.create_meeting(user) }
+      subject { room.create_meeting(user, request) }
       it { should be(true) }
     end
 
@@ -1431,18 +1437,15 @@
     context "when the conference is not running doesn't call end" do
       before {
         room.should_receive(:is_running?).and_return(false)
-        room.should_receive(:send_create).with(user)
+        room.should_receive(:send_create).with(user, request)
         room.should_not_receive(:send_end)
       }
-      subject { room.create_meeting(user) }
+      subject { room.create_meeting(user, request) }
       it { should be(true) }
     end
 
     context "when the parameter 'request' is informed" do
-      let(:request) { double(ActionDispatch::Request) }
       before {
-        request.stub(:protocol).and_return("HTTP://")
-        request.stub(:host_with_port).and_return("test.com:80")
         room.should_receive(:add_domain_to_logout_url).with("HTTP://", "test.com:80")
         room.should_receive(:is_running?).and_return(false)
         room.should_receive(:send_create)