[Freeswitch-users] announce count mod conference

[David Bolen]

Rodney <notlikeme75 at yahoo.com> writes:

> yes i would love to implement the announce conference count to user
> before entering but cant figure out how to "calculate" that.

I use a small script to control entry into the conference (it also
handles some messaging around moderators), and get a conference count
through the "conference xxx list count" api command, then play it to
the current caller with a custom phrase before adding them.

I ended up announcing which person they are ("you are the nth listener
in the conference"), which obviously also lets them know the current
count.  I think I just chose that due to the existing recorded
messages I was reusing sounding better that way.

E.g., something like (in the lua script):

    conf_count = tonumber(api:executeString("conference " ..
                                            conf_name_api ..
                                            " list count"));
    session:sayPhrase("gp_conf_size", tostring(conf_count+1), "en");

Using the phrase definition:

<macro name="gp_conf_size">
    <input pattern="^(\d+)$">
        <match>
            <action function="play-file" data="ivr/ivr-you_are_the.wav"/>
            <action function="say" data="$1" method="counted" type="persons"/>
            <action function="play-file" data="conference/conf-listener_in_conference.wav"/>
        </match>
    </input>
</macro>

There's a race condition if two people are entering simultaneously,
since the count won't increment for the new person until the phrase
finishes playing and they are technically put into conference, but I
don't have any high entry rate conferences and was willing to accept
that.

-- David