However, some cellular service providers allow users to access and update their voicemail by calling their own numbers from working landlines or phones on other wireless networks, so users whose accounts include such an option and who have access to alternative service could keep the voicemail greetings updated even when their own mobile phones cannot connect to cellular or internet service.
The greeting section does not work. Call your own number and listen to the automated voice tell you whether you have messages or not. Then wait for further instructions. It will tell you to press four for personal options and then you press three to change or listen to your previous greeting.

So, this is the first yet the most effective way of changing the voicemail settings from Spanish to English. In this case, you need to use the voice mail system and follow the below-mentioned steps; First of all, you need to dial the voice mail system by calling 888-234-6786 The new window will open up Enter the password Now, press 4 and it will open the personal options Press one again to open the personal profile Then, choose the change language option by pressing two Choose one and the English language will be set
If you are using a IP 400 series desk phone, press the Voicemail function key. If you are using a Cisco 7900 series desk phone, press the "Messages" button (envelope icon). If you are calling from a phone other than your own desk phone, dial your own phone number and press the * key when you hear the voicemail greeting.