List SMS Link
Within the Configuration module, the SMS section allows you to manage the SMS settings for your DIDs. Note that for sending and receiving SMS through the API, you will need to use the SMS API’s that can be found at this link.
listSmsLink method: This method allows you to retrieve the list of your SMS links. The smsLinkID returned by this method can be used to edit your SMS link or delete your SMS Link using the appropriate methods.