The Red phone is a communications device located in the General's Office at Stargate Command. It is primarily a hotline direct to the President's office at the White House; however, it has been shown to call other numbers as well.
- Major General George S. Hammond used the phone when he phoned the president or the Pentagon.
- It is unknown if Major General Henry Bauer used the phone, but is most likely that he did.
- Brigadier General Jack O'Neill used the phone himself when he was the command of the SGC during his time at the facility.
- Dr. Elizabeth Weir used the phone when she called the President Henry Hayes.