Cisco's Webex has been one of the most requested notifiers on Grafana for a while now, please see: https://github.com/grafana/grafana/issues/11750#issue-318358659
Given it's straightforward implementation, low maintance overhead and request demand, I think it's worth including this directly in the Alertmanager.
Signed-off-by: gotjosh <josue.abreu@gmail.com>
gotjosh