Patent ID: 8537805
Filing Date: 2013-09-17
Classification: H04L,H04M

Abstract:
1. A process for handling emergency calls from a caller in a voice over IP system, the method comprising: receiving a routing request message including a caller identifier and a callee identifier; retrieving a dialing profile associated with the caller, said dialing profile including an emergency call identifier field and an emergency response center identifier field; setting an emergency call flag active when the contents of said emergency call identifier field of said dialing profile match said callee identifier; determining whether said caller identifier is associated with a pre-associated direct inward dial (DID) identifier by searching a DID database for a DID record associating a DID identifier with said caller and determining that said caller identifier is associated with a pre-associated DID identifier when said record associating a DID identifier with said caller is found and determining that said caller identifier is not associated with a pre-associated DID identifier when a record associating a DID identifier with said caller is not found; producing a DID identifier for said caller by: