The citric acid makes the sodium bicarbonate more soluble in water. Old chemistry trick, still used in a lot of detergents. Alka-Selter works because it contains aspirin imho. Citric acid is also used in cheesemaking.
About Visual Voicemail. Visual Voicemail is a free1 service that allows you to listen to your voicemail messages in any order you choose from an email-like inbox. You can easily play and delete messages, make callbacks, and manage voicemail features. Use your smartphone Ã¢ you canÃ¢t set up voicemail from another phone. Have a data plan with Visual Voicemail.1. Most AT&T Unlimited PlusSM, AT&T Unlimited ChoiceSM, and Mobile Share AdvantageSM or Mobile ShareÂ® smartphone plans include Visual Voicemail. Learn how to compare and change your plan.
1 Go online. 2  Go to att.com/myatt and log into your account. 3  From the myAt&T tab at the top of the page, hover over the Wireless link then select Phone/Devices under My Wirele3ss Service. 4  From the My Phone/Device screen, select the Reset Voicemail Password link under Phone/Device Support. Call the AT&T automated system from your mobile device. 2  Call 611 from your wireless device. 3  Press â1â to confirm your wireless phone number. 4  Press â3â (Consumer) or â5â (IRU/CRU/SB). 5  Press â3â to select Reset Your Voicemail Password.