I have a lua script that does this:

function extension_registered(domain_name, sip_profile, extension)
api = freeswitch.API();
result = api:execute("sofia_contact", sip_profile.."/"..extension.."@"..domain_name);
if (result == "error/user_not_registered") then
return false;
else
return true;
end
end

IIRC, you can hardcode the sip_profile to * and just drop the @domain_name part.

-Avi

On Tue, Jul 30, 2013 at 6:22 PM, James Lotery <jlotery@gmail.com> wrote:
Hello, I'm trying to detect if a user is online within a lua script called from a chatplan. 

From what I've read I should use sofia_contact in the chatplan, save the output in a custom channel variable and read the variable in my lua script. However as there is no session object active i don't see an easy way to read my custom channel variable from within my lua script.

How would you more experienced folks out there do this? I just want to know if the user is offline, so that I can send the message via other means if they are etc.

Thanks in advance

James

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