Access the MLML Cisco Voicemail System from any Phone To check your voicemail messages from any phone: Dial 408-924-6800 and press * when you hear the recording Key in your 5 digit extension (ex 14400 not 4400) Enter your voicemail PIN followed by # NOTE: The first time you access your Cisco Unity Connection Messaging System, you will be prompted to complete enrollment in the system, including creating a new voicemail PIN. Your new voicemails will start playing automatically More information about the Cisco voicemail system is available, here .