Node:find-previous-conf-no, Next:get-scheduling, Previous:find-next-conf-no, Up:Protocol Requests

find-previous-conf-no [117] (11) Recommended

        find-previous-conf-no [117] ( start : Conf-No )
                -> ( Conf-No );

This call returns the last accessible conference in the database created before start. start does not have to be a valid or readable conference number, as shown in the examples.

Example:

        1 114
        =1 12345
        2 117 12345
        =2 12330
        1 117 12330
        =1 12329

This example uses first-unused-conf-no to find the largest number that can meaningfully be sent to find-previous-conf-no. It then uses the request twice to find that the two conferences with highest conference numbers that are accessible to the user logged in is 12329 and 12330.

Error codes

login-first

Login required before issuing this call.

undefined-conference

There is no conf preceding conf start.