Update teams-interop-pricing.md

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cc: @tomaschladek

Author: tomaschladek

articles/communication-services/concepts/pricing/teams-interop-pricing.md

@@ -61,7 +61,7 @@ Teams users participating in Teams meetings and calls generate usage on Azure Co
 
 | Action | Tool | Price|
 |--------|------| -----|
-| Send message | [Graph API](/graph/teams-licenses) | $0 or $0.00075|
+| Send message | [Graph API](/graph/teams-licenses) | $0 |
 | Receive message | [Graph API](/graph/teams-licenses) | $0 or $0.00075|
 | Teams users participate in Teams meeting with audio, video, screen sharing, and TURN services | Azure Communication Services | $0.004 per minute |