[Freeswitch-users] ring groups

[Star Wind]

> you can list dial strings separated buy a | (pipe) symbol to do successive
> calling and , (comma) to do simultaneous  or a combo of both

thank you VERY much, but tell me please, how can I set up timeout for calling? for example:

<phone 1 rings> - 20 seconds (or 3 rings) - <phone 2 rings> - 20 seconds... ?

and what will happen if a first phone is busy already? 

thanks in advance :)