The term three-way calling is identified in base64 scheme by the sequence dGhyZWUtd2F5IGNhbGxpbmc=, while the MD5 signature is equal to d82d585b5007d3e1278715893f58976b. The ASCII encoding of three-way calling in hexadecimal notation is 74687265652d7761792063616c6c696e67.