You could try the system notifications in WAPI, we have prepared command ping-async for this. As first command returns 1001 (queued) and then will be created notification during the command execution.
Example of use:
XML request:
<request> <user>tester</user> <auth>ee01105556e1e12f4e0430d5e5ae07276c38ad29</auth> <command>ping-async</command> <clTRID>0240</clTRID> </request>
XML response:
<response> <code>1001</code> <result>Request pending</result> <timestamp>1287598777</timestamp> <clTRID>0240</clTRID> <svTRID>1287598777.6704.32338.1</svTRID> <command>ping-async</command> </response>
XML notification:
<notify> <code>1000</code> <result>OK</result> <timestamp>1287598792</timestamp> <clTRID>0240</clTRID> <svTRID>1287598777.6704.32338.1</svTRID> <command>ping-async</command> <id>1088</id> <data> <round>2</round> <time>14.7174</time> <done>1</done> </data> </notify>
Zpětná vazba je dočasně nedostupná, máte-li k návodu dotaz nebo připomínku,
napište nám přes kontaktní formulář.