The term long-distance call is identified in base64 scheme by the sequence bG9uZy1kaXN0YW5jZSBjYWxs, while the MD5 signature is equal to fd5edb1f7e676e2341e53ab287f4ac3b. The ASCII encoding of long-distance call in hexadecimal notation is 6c6f6e672d64697374616e63652063616c6c.