Patent ID: 7787856

Claim:
A communication network for emergency service call handling, the communication network comprising: a mobile switching center (MSC) configured to receive an emergency call from a wireless end device and transmit first call signaling indicating a call key for the emergency call and a public safety answering point (PSAP) for the call; and a gateway system comprising: a gateway controller configured to receive the first call signaling, process the first call signaling to generate second call signaling indicating the call key and the PSAP, and transmit the second call signaling to a selective router; a first gateway configured to receive user communications for the emergency call from the MSC in a synchronous format, convert the user communications to an asynchronous format, and transfer the user communications; and a second gateway configured to receive the user communications for the emergency call in the asynchronous format from the first gateway, convert the user communications to the synchronous format, and transfer the user communications to the selective router.