Patent ID: 8014750
Filing Date: 2011-09-06
Classification: H04L,H04W,Y10S

Abstract:
1. A chassis that facilitates network connectivity comprising: a proxy-call session control function (P-CSCF) residing on the chassis, the P-CSCF including a first queue with at least one session initiation protocol (SIP) message and at least one non-call related message waiting for airlink availability, a second queue reserved for call session setup messages for emergency calls, and a third queue reserved for non-call related messages, wherein the call session setup messages in the second queue are placed on the airlink prior to the at least one SIP message and the at least one non-call related message in the first queue and wherein the non-call related messages in the third queue wait for airlink availability until the at least one SIP message in the first queue and the call session setup messages in the second queue are placed on the airlink; and wherein the P-CSCF is configured to: