Communication management system, communication management method, and recording medium storing communication management program

A method of controlling transmission of an addition approval request, comprising:

• receiving, from a first communication terminal, an addition request for adding a second communication terminal as a candidate counterpart terminal of the first communication terminal;
• obtaining, from a memory, information that associates application identification information for identifying a provider with application identification information for identifying each one of applications that are provided by the provider;
• determining whether first application identification information for identifying an application used by the first communication terminal and second application identification information for identifying an application used by the second communication terminal are associated with the same provider identification information to generate a determination result;
• and
• controlling not to transmit an addition approval request to approve addition of the second communication terminal as a candidate counterpart terminal of the first communication terminal, when the determination result indicates that the first application identification information and the second application identification information are not associated with the same provider identification information.

A non-transitory recording medium which, when executed by one or more processors, cause the processors to perform a method of controlling transmission of an addition approval request, the method comprising:

• receiving, from a first communication terminal, an addition request for adding a second communication terminal as a candidate counterpart terminal of the first communication terminal;
• obtaining, from a memory, information that associates application identification information for identifying a provider with application identification information for identifying each one of applications that are provided by the provider;
• determining whether first application identification information for identifying an application used by the first communication terminal and second application identification information for identifying an application used by the second communication terminal are associated with the same provider identification information to generate a determination result, and
• controlling not to transmit an addition approval request to approve addition of the second communication terminal as a candidate counterpart terminal of the first communication terminal, when the determination result indicates that the first application identification information and the second application identification information are not associated with the same provider identification information.