# US 2014/0153408 A1 · Apparatus and method for managing requests for service > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153408 A1 - Document ID: US20140153408A1 - Status: Published application - Kind: A1 - Application number: 13/692,000 - Filed: 2012-12-03 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: AT&T Mobility II LLC - Applicants: At&T Mobility II, LLC - Inventors: Jerry Jun; Inderpreet Singh Ahluwalia; Yunpeng Li - Web page: https://patentgrep.com/patent/US20140153408A1 ## CPC - H04L 65/1066: Session management - H04L 43/10: Active monitoring, e.g. heartbeat, ping or trace-route - H04L 65/1016: IP multimedia subsystem [IMS] - H04L 65/1043: Gateway controllers, e.g. media gateway control protocol [MGCP] controllers - H04L 65/1045: Proxies, e.g. for session initiation protocol [SIP] - H04L 65/1073: Registration or de-registration - H04L 65/1104: Session initiation protocol [SIP] - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A system that incorporates the subject disclosure may include, for example, responsive to a determination that a first communication session is in a first state and a first sub-state, monitoring for an active timer associated with the first sub-state, where the first state and the first sub-state are defined by a communications protocol. The system can, responsive to a detection of the active timer, monitor for a packet switching service initiation request generated by the applications processor. The system can, responsive to detecting the packet switching service initiation request, temporarily prevent the packet switching service initiation request from being transmitted by the transceiver. Other embodiments are disclosed. ## Claims ### Claim 1 A computer-readable storage device comprising computer instructions, which, responsive to being executed by a baseband processor of a wireless communication device, cause the baseband processor to perform operations comprising: responsive to a determination that a first communication session is in a first sub-state, monitoring for an active timer associated with the first sub-state, wherein the active timer was commenced according to a wireless communications protocol; and preventing a packet switching service initiation request associated with a second communication session from being transmitted during a duration of the active timer by a transceiver of the wireless communication device, wherein the packet switching service initiation request for the second communication session is generated by an applications processor of the wireless communication device. ### Claim 2 (depends on 1) The computer-readable storage device of claim 1, wherein the monitoring for the active timer associated with the first sub-state includes monitoring for a first active timer among a group of active timers that are associated with the first sub-state, and wherein the operations further comprise: storing the packet switching service initiation request in a buffer of the wireless communication device; and responsive to an expiration of the first active timer and a determination that the first communication session is in a second sub-state defined by the wireless communications protocol, transmitting the packet switching service initiation request via the transceiver. ### Claim 3 (depends on 1) The computer-readable storage device of claim 1, wherein the wireless communications protocol is based on a 3rd generation partnership project technical specification and wherein the operations further comprise: monitoring for the first communication session being in a first state defined by the wireless communications protocol; responsive to a determination that the first communication session is in the first state, monitoring for the first communication session being in the first sub-state defined by the wireless communications protocol; and responsive to a detection of the active timer, monitoring for the packet switching service initiation request for the second communication session, wherein the preventing of the packet switching service initiation request from being transmitted is responsive to a detection of the packet switching service initiation request. ### Claim 4 (depends on 3) The computer-readable storage device of claim 3, wherein the first state corresponds to a mobility management idle state. ### Claim 5 (depends on 4) The computer-readable storage device of claim 4, wherein the first sub-state corresponds to an attempting-to-update sub-state. ### Claim 6 (depends on 3) The computer-readable storage device of claim 3, wherein the first state corresponds to a general packet radio service mobility management deregistered state. ### Claim 7 (depends on 6) The computer-readable storage device of claim 6, wherein the first sub-state corresponds to an attempting-to-attach sub-state. ### Claim 8 (depends on 3) The computer-readable storage device of claim 3, wherein the first state corresponds to a general packet radio service mobility management registered state. ### Claim 9 (depends on 8) The computer-readable storage device of claim 8, wherein the first sub-state corresponds to an attempting-to-update sub-state. ### Claim 10 (depends on 3) The computer-readable storage device of claim 3, wherein the first state corresponds to an evolved packet system mobility management deregistered state. ### Claim 11 (depends on 10) The computer-readable storage device of claim 10, wherein the first sub-state corresponds to an attempting-to-attach sub-state. ### Claim 12 (depends on 3) The computer-readable storage device of claim 3, wherein the first state corresponds to an evolved packet system mobility management registered state. ### Claim 13 (depends on 12) The computer-readable storage device of claim 12, wherein the first sub-state corresponds to an attempting-to-update sub-state. ### Claim 14 (depends on 3) The computer-readable storage device of claim 3, wherein the first state corresponds to an E-UTRAN disabled state. ### Claim 15 (depends on 1) The computer-readable storage device of claim 1, wherein the preventing of the packet switching service initiation request from being transmitted comprises discarding the packet switching service initiation request. ### Claim 16 A method comprising: responsive to a determination that a first communication session is in a first sub-state, monitoring, by a processor of a wireless communication device, for an active timer associated with the first sub-state; and temporarily preventing, by the processor, a packet switching service initiation request associated with a second communication session from being transmitted by a transceiver of the wireless communication device. ### Claim 17 (depends on 16) The method of claim 16, comprising: monitoring, by the processor, for the first communication session being in a first state and the first sub-state, wherein the first state and the first sub-state are defined by a communications protocol, and wherein the first sub-state is associated with the first state; and responsive to a detection of the active timer, monitoring, by the processor, for the packet switching service initiation request being generated by the wireless communication device. ### Claim 18 (depends on 17) The method of claim 17, wherein the communications protocol is based on a 3rd generation partnership project technical specification, wherein the processor corresponds to a baseband processor, wherein the packet switching service initiation request is generated by an applications processor of the wireless communication device, and further comprising: storing the packet switching service initiation request according to processing instructions associated with an application that generated the packet switching service initiation request, wherein the temporarily preventing is over a time period comprising a duration of the active timer. ### Claim 19 A wireless communication device comprising: a memory to store instructions; an applications processor coupled to the memory; a transceiver; and a baseband processor coupled to the transceiver, the memory and the applications processor, wherein the baseband processor, responsive to executing the instructions, performs operations comprising: responsive to a determination that a first communication session is in a first sub-state, monitoring for an active timer associated with the first sub-state; and delaying a packet switching service initiation request generated by the applications processor from being transmitted by the transceiver responsive to a detection of the active timer. ### Claim 20 (depends on 19) The wireless communication device of claim 19, wherein the operations further comprise monitoring for the packet switching service initiation request generated by the applications processor, wherein the first sub-state is defined by a communications protocol, wherein the active timer was commenced according to the communications protocol, wherein the delaying is over a time period comprising a duration of the active timer, and wherein the packet switching service initiation request is for initiating a second communication session.