fix link warnings, add number lookup quickstart to TOC

Author: ericasp16

articles/communication-services/quickstarts/telephony/includes/number-lookup-java.md

@@ -9,7 +9,7 @@ Get started with the Phone Numbers client library for Java to look up operator i
 - To enable Number Lookup service on your Azure Communication Services subscription, complete this [form](https://forms.microsoft.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR058xZQ9HIBLikwspEUN6t5URUVDTTdWMEg5VElQTFpaMVMyM085ODkwVS4u) for us to allowlist your subscription. 
 - [Java Development Kit (JDK)](/java/azure/jdk/?preserve-view=true&view=azure-java-stable) version 8 or above.
 - [Apache Maven](https://maven.apache.org/download.cgi).
-- An active Communication Services resource and connection string. [Create a Communication Services resource](../create-communication-resource.md).
+- An active Communication Services resource and connection string. [Create a Communication Services resource](../../create-communication-resource.md).
 
 ### Prerequisite check
 
@@ -182,7 +182,7 @@ if (operatorInfo.getOperatorDetails()!= null && operatorInfo.getOperatorDetails(
 System.out.println(operatorInfo.getPhoneNumber() + " is a " + numberType + " number, operated by " + operatorName);
 ```
 
-You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../sms/send.md).
+You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../../sms/send.md).
 
 ## Run the code
 

articles/communication-services/quickstarts/telephony/includes/number-lookup-js.md

@@ -8,7 +8,7 @@ Get started with the Phone Numbers client library for JavaScript to look up oper
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
 - To enable Number Lookup service on your Azure Communication Services subscription, complete this [form](https://forms.microsoft.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR058xZQ9HIBLikwspEUN6t5URUVDTTdWMEg5VElQTFpaMVMyM085ODkwVS4u) for us to allowlist your subscription. 
 - [Node.js](https://nodejs.org/) Active LTS and Maintenance LTS versions (8.11.1 and 10.14.1 recommended).
-- An active Communication Services resource and connection string. [Create a Communication Services resource](../create-communication-resource.md).
+- An active Communication Services resource and connection string. [Create a Communication Services resource](../../create-communication-resource.md).
 
 ### Prerequisite check
 
@@ -92,7 +92,7 @@ let operatorInfo = results.values[0];
 console.log(operatorInfo.phoneNumber + " is a " + (operatorInfo.numberType ? operatorInfo.numberType : "unknown") + " number, operated by " + (operatorInfo.operatorDetails.name ? operatorInfo.operatorDetails.name : "an unknown operator"));
 ```
 
-You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../sms/send.md).
+You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../../sms/send.md).
 
 ## Run the code
 

articles/communication-services/quickstarts/telephony/includes/number-lookup-net.md

@@ -8,7 +8,7 @@ Get started with the Phone Numbers client library for C# to look up operator inf
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
 - To enable Number Lookup service on your Azure Communication Services subscription, complete this [form](https://forms.microsoft.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR058xZQ9HIBLikwspEUN6t5URUVDTTdWMEg5VElQTFpaMVMyM085ODkwVS4u) for us to allowlist your subscription. 
 - The latest version of [.NET Core client library](https://dotnet.microsoft.com/download/dotnet-core) for your operating system.
-- An active Communication Services resource and connection string. [Create a Communication Services resource](../create-communication-resource.md).
+- An active Communication Services resource and connection string. [Create a Communication Services resource](../../create-communication-resource.md).
 
 ### Prerequisite check
 
@@ -115,7 +115,7 @@ OperatorInformation operatorInformation = searchResult.Results[0];
 Console.WriteLine($"{operatorInformation.PhoneNumber} is a {operatorInformation.NumberType ?? "unknown"} number, operated by {operatorInformation.OperatorDetails.Name ?? "an unknown operator"}");
 ```
 
-You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../sms/send.md).
+You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../../sms/send.md).
 
 ## Run the code
 

articles/communication-services/quickstarts/telephony/includes/number-lookup-python.md

@@ -8,7 +8,7 @@ Get started with the Phone Numbers client library for Python to look up operator
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
 - To enable Number Lookup service on your Azure Communication Services subscription, complete this [form](https://forms.microsoft.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR058xZQ9HIBLikwspEUN6t5URUVDTTdWMEg5VElQTFpaMVMyM085ODkwVS4u) for us to allowlist your subscription. 
 - [Python](https://www.python.org/downloads/) 3.7+.
-- An active Communication Services resource and connection string. [Create a Communication Services resource](../create-communication-resource.md).
+- An active Communication Services resource and connection string. [Create a Communication Services resource](../../create-communication-resource.md).
 
 ### Prerequisite check
 
@@ -119,7 +119,7 @@ else:
 print(str.format("{0} is a {1} number operated by {2}", operator_information.phone_number, number_type, operator_name))
 ```
 
-You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../sms/send.md).
+You may also use the operator information to determine whether to send an SMS.  For more information on sending an SMS, see the [SMS Quickstart](../../sms/send.md).
 
 ## Run the code
 

articles/communication-services/toc.yml

@@ -204,6 +204,8 @@ items:
         href: quickstarts/sms/apply-for-toll-free-verification.md
       - name: Enable alphanumeric sender ID
         href: quickstarts/sms/enable-alphanumeric-sender-id.md
+      - name: Look up a recipient phone number
+        href: quickstarts/telephony/number-lookup.md
     - name: Events
       items:
       - name: View SMS events