 |
| Russian | English |
| необязательный параметр | optional parameter (A parameter that may be specified, but is not required. The program will assume a default value if it is not provided) |
| необязательный туннель | voluntary tunnel (A tunnel that is initiated by the client. A voluntary tunnel tunnels Point-to-Point Protocol (PPP) over Internet Protocol (IP) from the client to the tunnel server, and then the data is forwarded to the target host by the tunnel server) |
| необязательный участник | optional attendee (A person who is not required to attend a meeting) |
| необязательный участник | optional attendee (A person who is not required to attend a meeting. Rori) |