You are going to set a chat message using an API call as follows:
SET CHATMESSAGE <id> SEEN

You receive the error:
ERROR 18 SET: invalid WHAT

What can the possible cause for the error be?

What happens if you type the following command in a textbox in a chat session: /alertson yourname

What type of target parameter type is used by the Skype 'CALL' API if you initiate a call using a phone number?

What causes the API call given below to return ERROR 563? SEARCH GROUPS [{ ALL | CUSTOM | HARDWIRED }]?

What happens if the following API call is processed? ALTER CHAT SETOPTIONS 8

If one wanted to create a Skype-enabled web page, what function should they use?

In your iOS app, where would you pass the skype: theme to render a true value if Skype client is correctly installed?

What command sends DTMF to the call target?

Which is the correct format for a Skype button ID?

A Skype button can work both over http and https.