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

Author: Prakulka

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

@@ -36,6 +36,7 @@ More details on eligible subscription types are as follows:
 | Number Type                      | Eligible Azure Agreement Type                                                                             |
 | :------------------------------- | :-------------------------------------------------------------------------------------------------------- |
 | Toll-Free and Local (Geographic/National) | Modern Customer Agreement (Field and Customer Led), Modern Partner Agreement (CSP), Enterprise Agreement, Pay-As-You-Go |
+| Alphanumeric Sender ID            | Modern Customer Agreement (Field Led and Customer Led), Modern Partner Agreement (CSP), Enterprise Agreement**, Pay-As-You-Go|           
 
 
 ## Azure subscription billing locations where Slovakia phone numbers are available