Roll-call processing system and method

A server, comprising:

• at least one processor;
• and
• a storage device storing one or more programs, when executed by the at least one processor, cause the at least one processor to perform operations of:
• recording first connection information of a first electronic device;
• transmitting a roll-call interface stored in the server to the first electronic device according the first connection information, in response to receiving a request for the roll-call interface from the first electronic device;
• recording second connection information of a second electronic device;
• receiving a photo transmitted from the second electronic device;
• and
• displaying the received photo on the roll-call interface of the first electronic device, according to the first connection information and the second connection information.

A non-transitory computer-readable medium having stored thereon instructions that, when executed by at least one processor of a server, cause the at least one processor to perform operations of:

• recording first connection information of a first electronic device;
• transmitting a roll-call interface stored in the server to the first electronic device according the first connection information, in response to receiving a request for the roll-call interface from the first electronic device;
• recording second connection information of a second electronic device;
• receiving a photo transmitted from the second electronic device;
• and
• displaying the received photo on the roll-call interface of the first electronic device, according to the first connection information and the second connection information.