Fixed links

Changed two links, deleted one duplicate.

Author: vac0224

articles/communication-services/quickstarts/sms/send.md

@@ -73,4 +73,5 @@ In this quickstart, you learned how to send SMS messages using Azure Communicati
 > [!div class="nextstepaction"]
 > [Phone number types](../../concepts/telephony/plan-solution.md)
 
-For more information, see [Quickstart: Look up operator information for a phone number](../telephony/number-lookup.md).
+> [!div class="nextstepaction"]
+> [Look up operator information for a phone number](../telephony/number-lookup.md)

articles/communication-services/quickstarts/telephony/pstn-call.md

@@ -38,5 +38,4 @@ For more information, see the following articles:
 
 - Learn about [Calling SDK capabilities](../voice-video-calling/getting-started-with-calling.md)
 - Learn more about [how calling works](../../concepts/voice-video-calling/about-call-types.md)
-- Learn about [Calling SDK capabilities](../voice-video-calling/getting-started-with-calling.md)
-- Learn more about [how calling works](../../concepts/voice-video-calling/about-call-types.md)
+- Learn about [Number lookup capabilities](../telephony/number-lookup.md)