A first electronic device receives a phone call that was routed to the first electronic device by a call-routing service. While receiving the call, the first electronic device receives a request to route the phone call to a second electronic device. In response to receiving the request to route the phone call to the second electronic device, in accordance with a determination that a first routing criteria have been met, the first electronic device sends a request to the call-routing service to route the phone call to the second electronic device instead of routing the phone call to the first electronic device. In accordance with a determination that a second routing criteria have been met, the first electronic device causes call data associated with the call to be routed through the first electronic device to the second electronic device.