The phrase "act as user" is correct and usable in written English.
It can be used in contexts where someone is being asked to perform the role or functions of a user, often in technical or software-related discussions.
Example: "In this testing phase, please act as user to evaluate the new features of the application."
Alternatives: "function as a user" or "serve as a user".
If the user is eligible for the requested service in IMS, CMS will act as the User Agent (UA) on behalf of the user and provide the required SIP messages for the next SIP Proxy.
Social networking applications, he contends, will ultimately act as a user's online agent of sorts, connecting people for transactions and social interactions, using what the applications know of a user's personality profile and the extent to which they want to interact with others who fit a certain profile.
The w-iLab.t nodes act as end users and potential surrogates/transit servers.
In short, the company acts as a user acquisition channel for financial organizations that want to reach consumers and maintain a dialogue with them.
A B2BUA is a logical entity that acts as a user agent to both ends of a SIP call and is responsible for handling all SIP signaling between both ends of the call, from call establishment to termination.
When DIVA is plugged into a PC, it creates an isolated command window which acts as a user's own trusted software execution space to provide secure access to a wide variety of applications.
When the platform launches in the spring there will be a decentralized open protocol that anyone can access, as well as a centralized relay built by dYdX that acts as a user interface to the protocol.
This key point provided the motivation to propose and display an ontology-based object-attribute-value (O-A-V) information extraction system as a web model that acts as a user dictionary to refine the search keywords in the query for subsequent attempts.
The platform supporting the JRC GMO-Amplicons functions comprises three servers: a server dedicated to the database (PostgreSQL, http://www.postgresql.org/) storing all DNA sequences and related information, a server hosting a Ruby on Rails web application (http://rubyonrails.org/) that acts as a user interface, and a high-performance computer that regularly runs a compute-intensive pipeline.
It allows the user to play the role of PPI database administrator, rather than simply act as a common user.
