Telephone ID entry

We can’t seem to satisfy the Meeting ID telephone prompt.
Here is the invitation provides:

Ron is inviting you to a meeting.

Join the meeting:

To join by phone instead, tap this: +1.512.402.2718,154632720#

Looking for a different dial-in number?
See meeting dial-in numbers: url

If also dialing-in through a room phone, join without connecting to audio: url


I can’t seem to find any way to enter the 154632720# from the phone keypad that the phone system will recognize.