Abstract: A computer-implemented method to provide voice-over-internet protocol (VoIP) credentials to a device may include receiving, at a system, first credentials from a device. The method may also include authenticating the device using the first credentials and after authenticating the device, obtaining, at the system, a device identifier for the device based on the first credentials. The method may further include establishing a connection between the system and a VoIP system configured to provide VoIP services and after establishing the connection, providing, from the system, the device identifier to the VoIP system. The method may also include receiving, at the system, VoIP credentials for the device. In some embodiments, the VoIP credentials may be configured to authenticate the device with the VoIP system such that the device is able to receive the VoIP services from the VoIP system. The method may further include providing the VoIP credentials to the device.

Abstract: Systems, devices, and methods are disclosed for establishing a communication channel between a computer device associated with a hearing-care professional and various devices associated with a communication service provider for providing services to hearing-impaired users. The computer device associated with the hearing-care professional may be configured to generate at least one of a professional certification form and audiogram data through its associated software tools to the various devices associated with the communication service provider.

Abstract: A computer-implemented method to provide voice-over-internet protocol (VoIP) credentials to a device may include receiving, at a system, first credentials from a device. The method may also include authenticating the device using the first credentials and after authenticating the device, obtaining, at the system, a device identifier for the device based on the first credentials. The method may further include establishing a connection between the system and a VoIP system configured to provide VoIP services and after establishing the connection, providing, from the system, the device identifier to the VoIP system. The method may also include receiving, at the system, VoIP credentials for the device. In some embodiments, the VoIP credentials may be configured to authenticate the device with the VoIP system such that the device is able to receive the VoIP services from the VoIP system. The method may further include providing the VoIP credentials to the device.

Abstract: A hydraulic system having a source of pressurized fluid and a fluid actuator with a first chamber and a second chamber. The hydraulic system also has a first valve configured to selectively fluidly communicate the source with the first chamber and a second valve configured to selectively fluidly communicate the source with the second chamber. The hydraulic system also has a supply passageway and a signal passageway each disposed between the first and second valves in parallel. The hydraulic system also has a proportional pressure compensating valve configured to control a pressure of a fluid directed between the source and the first and second valves. The hydraulic system further has a fluid passageway disposed between the supply and signal passageways to fluidly communicate the supply and signal passageways.

Abstract: A hydraulic system having a source of pressurized fluid and a fluid actuator with a first chamber and a second chamber. The hydraulic system also has a first valve configured to selectively fluidly communicate the source with the first chamber and a second valve configured to selectively fluidly communicate the source with the second chamber. The hydraulic system also has a supply passageway and a signal passageway each disposed between the first and second valves in parallel. The hydraulic system also has a proportional pressure compensating valve configured to control a pressure of a fluid directed between the source and the first and second valves. The hydraulic system further has a fluid passageway disposed between the supply and signal passageways to fluidly communicate the supply and signal passageways.