During times of high use, the standard number for dial in to a Webex meeting via phone may not work. It might be busy or have poor sound quality. You can try other numbers to get a better result. Here are the known Webex numbers as of March 2020:
| United States Toll (Chicago) | +1-312-535-8110 |
| United States Toll (Dallas) | +1-469-210-7159 |
| United States Toll (Denver) | +1-720-650-7664 |
| United States Toll (Jacksonville) | +1-904-900-2303 |
| United States Toll (Los Angeles) | +1-213-306-3065 |
| United States Toll (New York City) | +1-646-992-2010 |
| United States Toll (Phoenix) | +1-602-666-0783 |
| United States Toll (Seattle) | +1-206-207-1700 |
| United States Toll (Washington D.C.) | +1-202-860-2110 |
These numbers can be dialed with your conference code and attendee ID from Webex
