It's not Socket Communications' Digital Phone Card, but one ad for this product includes the phrase "put  your computer on the phone" and seems to be titled "How to Send Mail at 670,000,000 mph". A different ad  for this product claimed its competitors couldn't "cope with simple addition." This product was designed by a  team lead by Wendell Sander. The ProFile was originally released for this product. One officially sanctioned  debugging technique for this product was to lift it up and drop it on the desk to re-seat the loosely connected  chips. Its RTC would die after several hours of use. It used the operating system SOS. The charge of being  "too noisy and inelegant" lead to no cooling fans in this product. Consequently this product had major overheating  problems leading to charges that it would melt disks. This product was slightly redesigned and reintroduced, but that  was also a 
It's not Socket Communications' Digital Phone Card, but one ad for this product includes the phrase "put  your computer on the phone" and seems to be titled "How to Send Mail at 670,000,000 mph". A different ad  for this product claimed its competitors couldn't "cope with simple addition." This product was designed by a  team lead by Wendell Sander. The ProFile was originally released for this product. One officially sanctioned  debugging technique for this product was to lift it up and drop it on the desk to re-seat the loosely connected  chips. Its RTC would die after several hours of use. It used the operating system SOS. The charge of being  "too noisy and inelegant" lead to no cooling fans in this product. Consequently this product had major overheating  problems leading to charges that it would melt disks. This product was slightly redesigned and reintroduced, but that  was also a failure leading to yet another failure in the Lisa. For 10 points, name this terrible Apple product from  1980 that was a business oriented computer.
It's not Socket Communications' Digital Phone Card, but one ad for this product includes the phrase "put  your computer on the phone" and seems to be titled "How to Send Mail at 670,000,000 mph".
Apple III