diff --git a/Gemfile b/Gemfile
index 0821c9086d8..fad0d19010e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 6.1.4'
 @hostdata_gem ||= { github: '18F/identity-hostdata', tag: 'v3.4.0' }
 @logging_gem ||= { github: '18F/identity-logging', tag: 'v0.1.0' }
 @saml_gem ||= { github: '18F/saml_idp', tag: 'v0.14.3-18f' }
-@telephony_gem ||= { github: '18f/identity-telephony', tag: 'v0.3.1' }
+@telephony_gem ||= { github: '18f/identity-telephony', tag: 'v0.4.0' }
 @validations_gem ||= { github: '18F/identity-validations', tag: 'v0.7.0' }
 
 gem 'identity-hostdata', @hostdata_gem
diff --git a/Gemfile.lock b/Gemfile.lock
index 3e23e0206d1..8a2a00dc199 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,10 +38,10 @@ GIT
 
 GIT
   remote: https://github.com/18f/identity-telephony.git
-  revision: ce223b6e55e052a63d6bf731f3bd90957cb2040c
-  tag: v0.3.1
+  revision: b73e77c5b003c1b5aad9e3db867f5896781e9e88
+  tag: v0.4.0
   specs:
-    identity-telephony (0.3.1)
+    identity-telephony (0.4.0)
       aws-sdk-pinpoint
       aws-sdk-pinpointsmsvoice
       i18n
diff --git a/app/controllers/users/personal_keys_controller.rb b/app/controllers/users/personal_keys_controller.rb
index 58396ff4aeb..13601eab7d5 100644
--- a/app/controllers/users/personal_keys_controller.rb
+++ b/app/controllers/users/personal_keys_controller.rb
@@ -56,7 +56,11 @@ def send_new_personal_key_notifications
 
       telephony_responses = MfaContext.new(current_user).
                             phone_configurations.map do |phone_configuration|
-        Telephony.send_personal_key_regeneration_notice(to: phone_configuration.phone)
+        phone = phone_configuration.phone
+        Telephony.send_personal_key_regeneration_notice(
+          to: phone,
+          country_code: Phonelib.parse(phone).country,
+        )
       end
 
       form_response(emails: emails, telephony_responses: telephony_responses)
diff --git a/app/controllers/users/two_factor_authentication_controller.rb b/app/controllers/users/two_factor_authentication_controller.rb
index 853311db49e..09ddffd782c 100644
--- a/app/controllers/users/two_factor_authentication_controller.rb
+++ b/app/controllers/users/two_factor_authentication_controller.rb
@@ -183,6 +183,7 @@ def send_user_otp(method)
         expiration: TwoFactorAuthenticatable::DIRECT_OTP_VALID_FOR_MINUTES,
         channel: method.to_sym,
         domain: IdentityConfig.store.domain_name,
+        country_code: parsed_phone.country,
       }
 
       if UserSessionContext.authentication_context?(context)
diff --git a/app/services/account_reset/cancel.rb b/app/services/account_reset/cancel.rb
index aba0aaab092..1eebec4fcaa 100644
--- a/app/services/account_reset/cancel.rb
+++ b/app/services/account_reset/cancel.rb
@@ -30,7 +30,10 @@ def notify_user_via_email_of_account_reset_cancellation
     end
 
     def notify_user_via_phone_of_account_reset_cancellation
-      @telephony_response = Telephony.send_account_reset_cancellation_notice(to: phone)
+      @telephony_response = Telephony.send_account_reset_cancellation_notice(
+        to: phone,
+        country_code: Phonelib.parse(phone).country,
+      )
     end
 
     def update_account_reset_request
diff --git a/app/services/account_reset/create_request.rb b/app/services/account_reset/create_request.rb
index 9a3c59ad7f8..9df3c270500 100644
--- a/app/services/account_reset/create_request.rb
+++ b/app/services/account_reset/create_request.rb
@@ -40,7 +40,10 @@ def notify_user_by_email(request)
     def notify_user_by_sms_if_applicable
       phone = MfaContext.new(user).phone_configurations.take&.phone
       return unless phone
-      @telephony_response = Telephony.send_account_reset_notice(to: phone)
+      @telephony_response = Telephony.send_account_reset_notice(
+        to: phone,
+        country_code: Phonelib.parse(phone).country,
+      )
     end
 
     def extra_analytics_attributes
diff --git a/app/services/account_reset/notify_user_of_request_cancellation.rb b/app/services/account_reset/notify_user_of_request_cancellation.rb
index 9a988626e25..39077dd2285 100644
--- a/app/services/account_reset/notify_user_of_request_cancellation.rb
+++ b/app/services/account_reset/notify_user_of_request_cancellation.rb
@@ -21,7 +21,11 @@ def notify_user_via_email_of_account_reset_cancellation
 
     def notify_user_via_phone_of_account_reset_cancellation
       MfaContext.new(user).phone_configurations.each do |phone_configuration|
-        Telephony.send_account_reset_cancellation_notice(to: phone_configuration.phone)
+        phone = phone_configuration.phone
+        Telephony.send_account_reset_cancellation_notice(
+          to: phone,
+          country_code: Phonelib.parse(phone).country,
+        )
       end
     end
   end
diff --git a/app/services/idv/send_phone_confirmation_otp.rb b/app/services/idv/send_phone_confirmation_otp.rb
index 3d48c769602..eb2f40b242c 100644
--- a/app/services/idv/send_phone_confirmation_otp.rb
+++ b/app/services/idv/send_phone_confirmation_otp.rb
@@ -59,6 +59,7 @@ def send_otp
         expiration: TwoFactorAuthenticatable::DIRECT_OTP_VALID_FOR_MINUTES,
         channel: delivery_method,
         domain: IdentityConfig.store.domain_name,
+        country_code: parsed_phone.country,
       )
       add_cost
       otp_sent_response
@@ -76,7 +77,6 @@ def add_cost
     end
 
     def extra_analytics_attributes
-      parsed_phone = Phonelib.parse(phone)
       {
         otp_delivery_preference: delivery_method,
         country_code: parsed_phone.country,
@@ -85,5 +85,9 @@ def extra_analytics_attributes
         telephony_response: @telephony_response,
       }
     end
+
+    def parsed_phone
+      @parsed_phone ||= Phonelib.parse(phone)
+    end
   end
 end
diff --git a/app/services/idv/steps/send_link_step.rb b/app/services/idv/steps/send_link_step.rb
index c88919e797a..9798514f54c 100644
--- a/app/services/idv/steps/send_link_step.rb
+++ b/app/services/idv/steps/send_link_step.rb
@@ -35,6 +35,7 @@ def send_link
         Telephony.send_doc_auth_link(
           to: formatted_destination_phone,
           link: link(session_uuid),
+          country_code: Phonelib.parse(formatted_destination_phone).country,
         )
       end
 
diff --git a/app/services/user_alerts/alert_user_about_personal_key_sign_in.rb b/app/services/user_alerts/alert_user_about_personal_key_sign_in.rb
index 9bfe7f23713..cbbb97323ce 100644
--- a/app/services/user_alerts/alert_user_about_personal_key_sign_in.rb
+++ b/app/services/user_alerts/alert_user_about_personal_key_sign_in.rb
@@ -8,7 +8,11 @@ def self.call(user, disavowal_token)
         ).deliver_now
       end
       telephony_responses = MfaContext.new(user).phone_configurations.map do |phone_configuration|
-        Telephony.send_personal_key_sign_in_notice(to: phone_configuration.phone)
+        phone = phone_configuration.phone
+        Telephony.send_personal_key_sign_in_notice(
+          to: phone,
+          country_code: Phonelib.parse(phone).country,
+        )
       end
       form_response(emails: emails, telephony_responses: telephony_responses)
     end
diff --git a/config/application.yml.default b/config/application.yml.default
index 052b53319f6..38b4595fae1 100644
--- a/config/application.yml.default
+++ b/config/application.yml.default
@@ -58,6 +58,7 @@ database_timeout: '5000'
 deleted_user_accounts_report_configs: '[]'
 disable_email_sending: 'true'
 disallow_all_web_crawlers: 'true'
+pinpoint_sms_sender_id: 'aaa'
 doc_auth_extend_timeout_by_minutes: '40'
 doc_capture_polling_enabled: 'true'
 doc_auth_client_glare_threshold: '50'
diff --git a/config/initializers/telephony.rb b/config/initializers/telephony.rb
index 7cc388e4be5..3aa01137089 100644
--- a/config/initializers/telephony.rb
+++ b/config/initializers/telephony.rb
@@ -1,3 +1,5 @@
+require 'pinpoint_supported_countries'
+
 # rubocop:disable Metrics/BlockLength
 Telephony.config do |c|
   c.adapter = IdentityConfig.store.telephony_adapter.to_sym
@@ -10,7 +12,10 @@
   c.voice_pause_time = IdentityConfig.store.voice_otp_pause_time
   c.voice_rate = IdentityConfig.store.voice_otp_speech_rate
 
-  c.sender_id = IdentityConfig.store.pinpoint_sms_sender_id
+  c.country_sender_ids = IdentityConfig.store.pinpoint_sms_sender_id.presence &&
+                         PinpointSupportedCountries::SENDER_ID_COUNTRIES.index_with do
+                           IdentityConfig.store.pinpoint_sms_sender_id
+                         end
 
   IdentityConfig.store.pinpoint_sms_configs.each do |sms_json_config|
     c.pinpoint.add_sms_config do |sms|
diff --git a/config/pinpoint_overrides.yml b/config/pinpoint_overrides.yml
index c640daad7c3..7ddb11362bb 100644
--- a/config/pinpoint_overrides.yml
+++ b/config/pinpoint_overrides.yml
@@ -87,8 +87,6 @@ IE:
   supports_voice: false
 IL:
   supports_voice: false
-IN:
-  supports_sms: true
 IQ:
   supports_sms_unconfirmed: false
 IS:
diff --git a/config/pinpoint_supported_countries.yml b/config/pinpoint_supported_countries.yml
index 7c41bf133ce..5d321882ebe 100644
--- a/config/pinpoint_supported_countries.yml
+++ b/config/pinpoint_supported_countries.yml
@@ -437,7 +437,7 @@ IM:
 IN:
   country_code: '91'
   name: India
-  supports_sms: false
+  supports_sms: true
   supports_voice: false
 IQ:
   country_code: '964'
diff --git a/lib/pinpoint_supported_countries.rb b/lib/pinpoint_supported_countries.rb
index c8635663345..4b2acec30e3 100644
--- a/lib/pinpoint_supported_countries.rb
+++ b/lib/pinpoint_supported_countries.rb
@@ -66,16 +66,18 @@ def sms_support
       select { |sms_config| sms_config['ISO code'] }. # skip section rows
       map do |sms_config|
         iso_code = sms_config['ISO code']
-        supports_sms = case trim_digits_spaces(sms_config['Supports sender IDs'])
-        when 'Registration required'
+        supports_sms = case trim_spaces(sms_config['Supports sender IDs'])
+        when 'Registration required1'
           SENDER_ID_COUNTRIES.include?(iso_code)
+        when 'Registration required3' # basically only India, has special rules
+          true
         else
           true
         end
 
         CountrySupport.new(
           iso_code: iso_code,
-          name: trim_digits_spaces(sms_config['Country or region']),
+          name: trim_spaces(sms_config['Country or region']),
           supports_sms: supports_sms,
         )
       end
@@ -85,7 +87,7 @@ def sms_support
   def voice_support
     TableConverter.new(download(PINPOINT_VOICE_URL)).convert.map do |voice_config|
       CountrySupport.new(
-        name: trim_digits_spaces(
+        name: trim_spaces(
           voice_config['Country or Region'], # Yes, it is capitalized differently :[
         ),
         supports_voice: true,
@@ -145,8 +147,8 @@ def name_to_iso_code(name)
     }[name]
   end
 
-  def trim_digits_spaces(str)
-    str.gsub(/\s{2,}/, ' ').gsub(/[\d\s]+$/, '')
+  def trim_spaces(str)
+    str.gsub(/\s{2,}/, ' ').gsub(/\s+$/, '')
   end
 
   def digits_only?(str)
diff --git a/spec/controllers/test/telephony_controller_spec.rb b/spec/controllers/test/telephony_controller_spec.rb
index 708b98521b9..f03a38376b6 100644
--- a/spec/controllers/test/telephony_controller_spec.rb
+++ b/spec/controllers/test/telephony_controller_spec.rb
@@ -9,6 +9,7 @@
         expiration: 10,
         channel: :sms,
         domain: IdentityConfig.store.domain_name,
+        country_code: 'US',
       )
       Telephony.send_authentication_otp(
         to: '(555) 555-5000',
@@ -16,6 +17,7 @@
         expiration: 10,
         channel: :voice,
         domain: IdentityConfig.store.domain_name,
+        country_code: 'US',
       )
 
       get :index
@@ -44,6 +46,7 @@
         expiration: 10,
         channel: :sms,
         domain: IdentityConfig.store.domain_name,
+        country_code: 'US',
       )
       Telephony.send_authentication_otp(
         to: '(555) 555-5000',
@@ -51,6 +54,7 @@
         expiration: 10,
         channel: :voice,
         domain: IdentityConfig.store.domain_name,
+        country_code: 'US',
       )
 
       delete :destroy
diff --git a/spec/controllers/users/two_factor_authentication_controller_spec.rb b/spec/controllers/users/two_factor_authentication_controller_spec.rb
index 6250a6b8201..a62fc6477eb 100644
--- a/spec/controllers/users/two_factor_authentication_controller_spec.rb
+++ b/spec/controllers/users/two_factor_authentication_controller_spec.rb
@@ -251,6 +251,7 @@ def index
           expiration: 10,
           channel: :sms,
           domain: IdentityConfig.store.domain_name,
+          country_code: 'US',
         )
         expect(subject.current_user.direct_otp).not_to eq(@old_otp)
         expect(subject.current_user.direct_otp).not_to be_nil
@@ -328,6 +329,7 @@ def index
           expiration: 10,
           channel: :voice,
           domain: IdentityConfig.store.domain_name,
+          country_code: 'US',
         )
         expect(subject.current_user.direct_otp).not_to eq(@old_otp)
         expect(subject.current_user.direct_otp).not_to be_nil
@@ -384,6 +386,7 @@ def index
           expiration: 10,
           channel: :sms,
           domain: IdentityConfig.store.domain_name,
+          country_code: 'US',
         )
       end
 
diff --git a/spec/features/two_factor_authentication/change_factor_spec.rb b/spec/features/two_factor_authentication/change_factor_spec.rb
index 55b422d8c54..5b74ab39f65 100644
--- a/spec/features/two_factor_authentication/change_factor_spec.rb
+++ b/spec/features/two_factor_authentication/change_factor_spec.rb
@@ -43,6 +43,7 @@
           expiration: 10,
           channel: :sms,
           domain: IdentityConfig.store.domain_name,
+          country_code: 'US',
         )
 
         expect(current_path).
diff --git a/spec/features/two_factor_authentication/sign_in_via_personal_key_spec.rb b/spec/features/two_factor_authentication/sign_in_via_personal_key_spec.rb
index d33c84029eb..d0d21692b3c 100644
--- a/spec/features/two_factor_authentication/sign_in_via_personal_key_spec.rb
+++ b/spec/features/two_factor_authentication/sign_in_via_personal_key_spec.rb
@@ -13,7 +13,7 @@
     expect(personal_key_sign_in_mail).to receive(:deliver_now)
     expect(UserMailer).to receive(:personal_key_sign_in).and_return(personal_key_sign_in_mail)
     expect(Telephony).to receive(:send_personal_key_sign_in_notice).
-      with(to: '+1 (202) 345-6789')
+      with(to: '+1 (202) 345-6789', country_code: 'US')
 
     sign_in_before_2fa(user)
     choose_another_security_option('personal_key')
diff --git a/spec/features/users/regenerate_personal_key_spec.rb b/spec/features/users/regenerate_personal_key_spec.rb
index b543dbc788c..3032260c924 100644
--- a/spec/features/users/regenerate_personal_key_spec.rb
+++ b/spec/features/users/regenerate_personal_key_spec.rb
@@ -20,7 +20,7 @@
           with(user, user.email).
           and_return(personal_key_sign_in_mail)
         expect(Telephony).to receive(:send_personal_key_regeneration_notice).
-          with(to: user.phone_configurations.first.phone)
+          with(to: user.phone_configurations.first.phone, country_code: 'US')
 
         visit account_two_factor_authentication_path
         click_button t('account.links.regenerate_personal_key')
diff --git a/spec/lib/pinpoint_supported_countries_spec.rb b/spec/lib/pinpoint_supported_countries_spec.rb
index a027565036f..9d90021e349 100644
--- a/spec/lib/pinpoint_supported_countries_spec.rb
+++ b/spec/lib/pinpoint_supported_countries_spec.rb
@@ -60,6 +60,13 @@
           <td>No</td>
           <td>No</td>
         </tr>
+        <tr>
+           <td>India</td>
+           <td>IN</td>
+           <td>Registration required<sup><a href="#sms-support-note-3">3</a></sup>
+           </td>
+           <td>Yes</td>
+        </tr>
       </table>
     HTML
   end
@@ -116,6 +123,11 @@
           name: Cayman Islands
           supports_sms: true
           supports_voice: true
+        IN:
+          country_code: '91'
+          name: India
+          supports_sms: true
+          supports_voice: false
       STR
     end
   end
@@ -128,6 +140,7 @@
         PinpointSupportedCountries::CountrySupport.new(iso_code: 'AU', name: 'Australia', supports_sms: true),
         PinpointSupportedCountries::CountrySupport.new(iso_code: 'BY', name: 'Belarus', supports_sms: true),
         PinpointSupportedCountries::CountrySupport.new(iso_code: 'KY', name: 'Cayman Islands', supports_sms: true),
+        PinpointSupportedCountries::CountrySupport.new(iso_code: 'IN', name: 'India', supports_sms: true),
       ]
     end
     # rubocop:enable Layout/LineLength
@@ -164,6 +177,7 @@
         PinpointSupportedCountries::CountryDialingCode.new(country_code: '61', iso_code: 'AU', name: 'Australia', supports_sms: true, supports_voice: true),
         PinpointSupportedCountries::CountryDialingCode.new(country_code: '375', iso_code: 'BY', name: 'Belarus', supports_sms: true, supports_voice: false),
         PinpointSupportedCountries::CountryDialingCode.new(country_code: '1345', iso_code: 'KY', name: 'Cayman Islands', supports_sms: true, supports_voice: true),
+        PinpointSupportedCountries::CountryDialingCode.new(country_code: '91', iso_code: 'IN', name: 'India', supports_sms: true, supports_voice: false),
       ]
     end
     # rubocop:enable Layout/LineLength
diff --git a/spec/services/account_reset/notify_user_of_request_cancellation_spec.rb b/spec/services/account_reset/notify_user_of_request_cancellation_spec.rb
index 8e4af7dc388..c79b7b1d4ae 100644
--- a/spec/services/account_reset/notify_user_of_request_cancellation_spec.rb
+++ b/spec/services/account_reset/notify_user_of_request_cancellation_spec.rb
@@ -29,9 +29,9 @@
       phone_config2 = create(:phone_configuration, user: user)
 
       expect(Telephony).to receive(:send_account_reset_cancellation_notice).
-        with(to: phone_config1.phone)
+        with(to: phone_config1.phone, country_code: 'US')
       expect(Telephony).to receive(:send_account_reset_cancellation_notice).
-        with(to: phone_config2.phone)
+        with(to: phone_config2.phone, country_code: 'US')
 
       subject.call
     end
diff --git a/spec/services/idv/send_phone_confirmation_otp_spec.rb b/spec/services/idv/send_phone_confirmation_otp_spec.rb
index 14ec8b16e31..5e1ecfb297a 100644
--- a/spec/services/idv/send_phone_confirmation_otp_spec.rb
+++ b/spec/services/idv/send_phone_confirmation_otp_spec.rb
@@ -59,6 +59,7 @@
           expiration: 10,
           channel: :sms,
           domain: IdentityConfig.store.domain_name,
+          country_code: 'US',
         )
       end
     end
@@ -85,6 +86,7 @@
           expiration: 10,
           channel: :voice,
           domain: IdentityConfig.store.domain_name,
+          country_code: 'US',
         )
       end
     end
diff --git a/spec/services/user_alerts/alert_user_about_personal_key_sign_in_spec.rb b/spec/services/user_alerts/alert_user_about_personal_key_sign_in_spec.rb
index c51407a2f54..b3cdefc9928 100644
--- a/spec/services/user_alerts/alert_user_about_personal_key_sign_in_spec.rb
+++ b/spec/services/user_alerts/alert_user_about_personal_key_sign_in_spec.rb
@@ -24,9 +24,9 @@
       expect(UserMailer).to have_received(:personal_key_sign_in).
         with(user, confirmed_email_addresses[1].email, disavowal_token: disavowal_token)
       expect(Telephony).to have_received(:send_personal_key_sign_in_notice).
-        with(to: phone_configurations[0].phone)
+        with(to: phone_configurations[0].phone, country_code: 'US')
       expect(Telephony).to have_received(:send_personal_key_sign_in_notice).
-        with(to: phone_configurations[1].phone)
+        with(to: phone_configurations[1].phone, country_code: 'US')
 
       expect(response.to_h[:emails]).to eq(2)
       expect(response.to_h[:sms_message_ids].size).to eq(2)