Update phone-number-management-for-finland.md

Author: Prakulka

articles/communication-services/concepts/numbers/phone-number-management-for-finland.md

@@ -21,9 +21,10 @@ Use the below tables to find all the relevant information on number availability
 | Number Type | Send SMS             | Receive SMS          | Make Calls           | Receive Calls          |
 | :---------- | :------------------- | :------------------- | :------------------- | :--------------------- |
 | Toll-Free   | -                    | -                    | -                    | Public Preview\*       |
-
+|Alphanumeric Sender ID\**|General Availability      |-|-|-|
 
 \* Please refer to [Inbound calling capabilities page](../telephony/inbound-calling-capabilities.md) for details.
+\** Please refer to [SMS Concepts page](../sms/concepts.md) for supported destinations for this service.
 
 
 ## Subscription eligibility