The term telephone receiver is identified in base64 scheme by the sequence dGVsZXBob25lIHJlY2VpdmVy, while the MD5 signature is equal to 88b1b5c4a9fb155e6ecd896c41d87de0. The ASCII encoding of telephone receiver in hexadecimal notation is 74656c6570686f6e65207265636569766572.