1. A method of managing a Mobile-Terminated (MT) call in an Internet Protocol (IP) Multimedia Subsystem (IMS) network, said MT call being originated by a calling party towards a User Equipment (UE) device, comprising:
receiving a message pursuant to said MT call at a network node and determining that said MT call is to be delivered to said UE device over a Circuit-Switched (CS) domain;
storing call information relating to said MT call and associating an IP Multimedia Routing Number (IMRN) with at least a portion of said call information in a mapping relationship;
transmitting one or more alternative signaling (AS) messages to said UE device, wherein at least one of said AS messages includes said IMRN and an indication that said AS message is for delivery of said MT call;
receiving said IMRN back from said UE device pursuant to a Mobile-Originated (MO) call terminating at said network node, wherein said IMRN is used as a destination number; and
upon verifying that said IMRN is valid, initiating an access leg with said UE device and bridging said access leg with a remote leg associated with said calling party for establishing an end-to-end path for said MT call between said calling party and said UE device.
2. The method of managing an MT call in an IMS network as recited in claim 1, wherein said message comprises a Session Initiation Protocol (SIP) INVITE method request.
3. The method of managing an MT call in an IMS network as recited in claim 1, wherein said IMRN is an E.164 number that is one of selected from a pool of E.164 numbers and dynamically generated.
4. The method of managing an MT call in an IMS network as recited in claim 1, wherein said one or more AS messages comprise at least one of at least one Unstructured Supplementary Service Data (USSD) message and at least one Short Messaging Service (SMS) message.
5. The method of managing an MT call in an IMS network as recited in claim 1, wherein said IMRN is verified to be a valid number by monitoring that said IMRN has not timed out.
6. The method of managing an MT call in an IMS network as recited in claim 5, further comprising releasing said IMRN to a quarantine pool for a time period.
7. The method of managing an MT call in an IMS network as recited in claim 1, wherein said IMRN is received at said IMS network node via a SIP INVITE method request from a Media Gateway Control Function (MGCF) entity.
8. The method of managing an MT call in an IMS network as recited in claim 7, wherein said SIP INVITE method request comprises a Network-Access-Info Header field.
9. The method of managing an MT call in an IMS network as recited in claim 1, wherein said one or more AS messages contain information relating to at least one of an A-Party ID and B-Party ID.
10. The method of managing an MT call in an IMS network as recited in claim 9, wherein said one or more AS messages further contain information relating to a Privacy ID setting associated with said A-Party ID.
11. The method of managing an MT call in an IMS network as recited in claim 9, wherein at least one of said A-Party ID and said B-Party ID is encoded via a dictionary mechanism.
12. The method of managing an MT call in an IMS network as recited in claim 11, wherein said dictionary mechanism comprises matching a character string that occurs a predetermined number of times.
13. The method of managing an MT call in an IMS network as recited in claim 12, wherein said character string comprises at least one of a \u201csip:\u201d and \u201csips:\u201d.
14. The method of managing an MT call in an IMS network as recited in claim 11, wherein said dictionary mechanism comprises matching a domain fragment of a Uniform Resource Identifier (URI).
15. The method of managing an MT call in an IMS network as recited in claim 9, wherein at least one of said A-Party ID and said B-Party ID is encoded as at least one of a SIP URI, a TEL URI, and an E.164 number.
16. A network node operable to manage a Mobile-Terminated (MT) call in an Internet Protocol (IP) Multimedia Subsystem (IMS), said MT call being originated by a calling party towards a User Equipment (UE) device, comprising:
a component configured to receive a message pursuant to said MT call and for determining that said MT call is to be delivered to said UE device over a Circuit-Switched (CS) domain;
a component configured to store call information relating to said MT call and for associating an IP Multimedia Routing Number (IMRN) with at least a portion of said call information in a mapping relationship;
a component configured to transmit one or more alternative signaling (AS) messages to said UE device, wherein at least one of said AS messages includes said IMRN and an indication that said AS message is for delivery of said MT call;
a component configured to receive said IMRN back from said UE device pursuant to a Mobile-Originated (MO) call terminating at said network node, wherein said IMRN is used as a destination number; and
a component, operable responsive to verifying that said IMRN is valid, configured to initiate an access leg with said UE device and to bridge said access leg with a remote leg associated with said calling party for establishing an end-to-end path for said MT call between said calling party and said UE device.
17. The network node operable to manage an MT call as recited in claim 16, wherein said component configured to receive a message comprises a component configured to receive a Session Initiation Protocol (SIP) INVITE method request.
18. The network node operable to manage an MT call as recited in claim 16, further comprising a component configured to provision a range of IMRNs from which said IMRN is assigned.
19. The network node operable to manage an MT call as recited in claim 16, further comprising a component configured to generate said IMRN.
20. The network node operable to manage an MT call as recited in claim 16, wherein said one or more AS messages comprise at least one of at least one Unstructured Supplementary Service Data (USSD) message provided by a USSD application and at least one Short Messaging Service (SMS) message provided by an SMS application.
21. The network node operable to manage an MT call as recited in claim 16, further comprising a component configured to verify that said IMRN is valid.
22. The network node operable to manage an MT call as recited in claim 16, further comprising a component configured to encode said call information for transmission via said one or more AS messages.
23. The network node operable to manage an MT call as recited in claim 22, wherein said component configured to encode said call information comprises a dictionary mechanism.
24. The network node operable to manage an MT call as recited in claim 23, wherein said dictionary mechanism comprises a component configured to match a character string that occurs a predetermined number of times.
25. The network node operable to manage an MT call as recited in claim 24, wherein said character string comprises at least one of a \u201csip:\u201d and \u201csips:\u201d.
26. The network node operable to manage an MT call as recited in claim 23, wherein said dictionary mechanism comprises a component configured to match a domain fragment of a Uniform Resource Identifier (URI).
27. A computer-accessible medium having a sequence of instructions executable by a processing entity of a network node operable to manage a Mobile-Terminated (MT) call in an Internet Protocol (IP) Multimedia Subsystem (IMS), said medium comprising:
instructions for storing call information relating to said MT call received via a message pursuant to said MT call from a calling party and for determining that said MT call is to be delivered to a User Equipment (UE) device over a Circuit-Switched (CS) domain;
instructions for associating an IP Multimedia Routing Number (IMRN) with at least a portion of said call information in a mapping relationship;
instructions for encoding one or more alternative signaling (AS) messages for transmission to said UE device, wherein at least one of said AS messages includes said IMRN and an indication that said AS message is for delivery of said MT call;
instructions for verifying that said IMRN is valid when said IMRN is received back from said UE device pursuant to a Mobile-Originated (MO) call wherein said IMRN is used as a destination number; and
instructions for bridging an access leg associated with said UE device and a remote leg associated with said calling party for establishing an end-to-end path for said MT call between said calling party and said UE device.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A medical device comprising:
a housing having a front face, a keypad mounting cavity on the front face, and a sealing rim on the front face, the sealing rim surrounding the keypad mounting cavity;
a membrane keypad assembly coupled to the housing and positioned inside the keypad mounting cavity, the membrane keypad assembly comprising a plurality of actuation components integrated therein;
a sealing element comprising a perimeter area, the sealing element overlying the membrane keypad assembly such that the perimeter area extends beyond the membrane keypad assembly, and the perimeter area coupled to the sealing rim to form a fluid resistant seal with the housing; and
a graphic keypad overlay removably adhered to the sealing element to be replaceable with a different graphic keypad overlay, the graphic keypad overlay comprising graphical representations corresponding to the actuation components.
2. The medical device of claim 1, wherein the graphical representations are overlying and aligned with the actuation components.
3. The medical device of claim 1, wherein the sealing element comprises an actuator layer for the membrane keypad assembly, the actuator layer having protrusions corresponding to the actuation components.
4. The medical device of claim 3, wherein the protrusions are overlying and aligned with the actuation components.
5. The medical device of claim 1, wherein the graphic keypad overlay comprises a clear plastic film having a top surface and a bottom surface, and graphics printed on the bottom surface, wherein the graphic keypad overlay is adhered to the sealing element such that the bottom surface and the graphics face the sealing element and such that the top surface is exposed.
6. The medical device of claim 1, wherein:
the housing is formed from plastic;
the sealing element is formed from plastic; and
the sealing element is coupled to the sealing rim using a polyester thermoplastic adhesive.
7. The medical device of claim 1, wherein the sealing element completely covers the membrane keypad assembly.
8. The medical device of claim 1, wherein the sealing element is non-decorative, non-cosmetic, and free of printed graphics.
9. The medical device of claim 1, wherein:
the medical device is an infusion pump; and
the membrane keypad assembly is actuated to control operation of the infusion pump.
10. A case assembly for a medical device, the case assembly comprising:
a plastic housing having a keypad mounting cavity and a sealing rim integrally formed therein, the sealing rim located outside and around the keypad mounting cavity;
a membrane keypad assembly positioned inside the keypad mounting cavity, the membrane keypad assembly comprising a plurality of actuation elements; and
a plastic actuator layer overlying the membrane keypad assembly and comprising a plurality of protrusions corresponding to the actuation elements and further comprising a perimeter area that extends beyond the membrane keypad assembly, the perimeter area attached to the sealing rim to form a fluid resistant seal between the plastic housing and the plastic actuator layer; and
a graphic keypad overlay removably adhered to the plastic actuator layer with a temporary bond, the graphic keypad overlay comprising graphical representations corresponding to the actuation elements, wherein the graphical representations are aligned with the protrusions, and wherein the protrusions are aligned with the actuation elements,
wherein the graphic keypad overlay comprises a clear plastic film having a top surface and a bottom surface, and graphics printed on the bottom surface such that the bottom surface and the graphics face the plastic actuator layer and such that the top surface is exposed.
11. The case assembly of claim 10, wherein the perimeter area of the plastic actuator layer is bonded to the sealing rim of the plastic housing using a polyester thermoplastic adhesive.
12. The case assembly of claim 10, wherein the plastic actuator layer is non-decorative, non-cosmetic, and free of printed graphics.
13. The case assembly of claim 10, further comprising a plurality of graphic keypad overlays, each having a visually distinct set of graphical features corresponding to the actuation elements, and each being configured for removable adhesion to the plastic actuator layer.
14. A medical device comprising:
a housing having a front face, a keypad mounting cavity integrally formed in the front face, and a sealing rim integrally formed on the front face, wherein the sealing rim is located outside and around the keypad mounting cavity, and wherein an upper surface of the sealing rim resides above a base of the keypad mounting cavity;
a membrane keypad assembly coupled to the housing and positioned inside the keypad mounting cavity, the membrane keypad assembly comprising a plurality of actuation components integrated therein;
an actuator layer for the membrane keypad assembly, the actuator layer comprising a perimeter area adhered to the sealing rim to form a fluid resistant seal with the housing, and the actuator layer comprising protrusions overlying and aligned with the actuation components; and
a graphic keypad overlay removably adhered to the actuator layer to be replaceable with a different graphic keypad overlay, the graphic keypad overlay comprising graphical representations corresponding to the actuation components.
15. The medical device of claim 14, wherein the sealing rim has a depth that allows the actuator layer to sit recessed within the housing.
16. The medical device of claim 14, wherein the graphic keypad overlay comprises a clear plastic film having a top surface and a bottom surface, and graphics printed on the bottom surface, wherein the graphic keypad overlay is adhered to the actuator layer such that the bottom surface and the graphics face the actuator layer and such that the top surface is exposed.
17. The medical device of claim 14, wherein:
the housing is formed from plastic;
the actuator layer is formed from plastic; and
the actuator layer is coupled to the sealing rim using a polyester thermoplastic adhesive.
18. The medical device of claim 14, wherein the actuator layer is non-decorative, non-cosmetic, and free of printed graphics.
19. The medical device of claim 14, wherein:
the medical device is an infusion pump; and
the membrane keypad assembly is actuated to control operation of the infusion pump.