What allows a telecommunicator to communicate directly with the reporting telematics subscriber?

The ability of a telecommunicator to communicate directly with the reporting telematics subscriber is facilitated by the option of conference-in. This feature allows the telecommunicator to add the subscriber to an ongoing call, effectively creating a three-way conversation. By using conference-in, the telecommunicator can maintain contact with the telematics subscriber while coordinating with other responders or resources, ensuring that critical information is shared in real-time. This is especially important in emergency situations where immediate communication can have a significant impact on the outcome of the incident.

Other options such as call forwarding, call transfer, and direct dispatch do not provide the same level of immediate interaction or direct engagement with the telematics subscriber, which is crucial for effective communication and efficient handling of situations as they develop.