The OTA_PingRQ message may be used for testing application connectivity, sending some specific text and determining if the receiving application is able to echo back that same text.
Example message
Request:
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://www.opentravel.org/OTA/2003/05" xmlns:ns2="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<SOAP-ENV:Header>
<ns2:Security>
<ns2:UsernameToken>
<ns2:Username>username</ns2:Username>
<ns2:Password xsi:type="ns2:http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">password</ns2:Password>
</ns2:UsernameToken>
</ns2:Security>
</SOAP-ENV:Header>
<SOAP-ENV:Body>
<ns1:OTA_PingRQ EchoToken="MYPMS0111" TimeStamp="2024-01-01T01:01:10+00:00" Version="1.006">
<ns1:EchoData>My Ping message.</ns1:EchoData>
</ns1:OTA_PingRQ>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>Response:
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:ns2="http://www.opentravel.org/OTA/2003/05">
<SOAP-ENV:Body>
<OTA_PingRS Version="1.000" EchoToken="MYPMS0111" TimeStamp="2024-06-17T09:26:49+02:00">
<Success/>
<EchoData>My Ping message.</EchoData>
</OTA_PingRS>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>