What is the On-call app?
The responders’ phone app: it lists open alerts, rings full-screen and lets you acknowledge, resolve, snooze, escalate and hand over alerts from the phone. It lives at whycloud.ir/app/oncall.
Install on a phone
On iPhone open it in Safari, choose Share → Add to Home Screen and open it from the home screen. On Android choose “Install app” in Chrome. Then tap “Enable notifications” in the Test tab. The phone appears at once in the console → Monitoring → Alerts and on-call → Devices.
Every organization in one app
If you belong to or are on call for several organizations, the app shows all their alerts with the organization’s name and a filter on top. A phone is registered once and rings for the pages of all your organizations.
Ring test
“Ring test” in the console sends through the phone’s push service (Apple or Google) and shows three stages: accepted by the push service, received by the phone and seen by you. “In-app call test” in the app shows the full call screen with ringing.
In-app calls
“Call” in the console and in the app’s On call tab is not a phone line: your teammate’s On-call app rings with an incoming-call screen (Answer / Decline), and you see it ring, get answered, declined or missed.
The iPhone limit
While the app is open, alerts and calls ring full-screen, loud and continuously. While it is closed, iOS lets web apps show a notification with a short sound; continuous background ringing and ringing through silent mode are reserved for native apps with Apple’s special entitlement. For night shifts keep the app open on the charger, or add a voice-call channel as backup: if a push does not reach the on-call phone, a voice call follows at once.