2017-04-19 16:30:35,913 INFO [0x000013b0] [ls\src\http\CurlAnswerEvaluator.cpp(115)] [csf.httpclient] [csf::http::CurlAnswerEvaluator::curlCodeToResult] - Request #20 got curlCode= curl error message="[Received HTTP code 503 from proxy after CONNECT]" HttpClientResult=[UNKNOWN_ERROR] fips enabled=[false] 2017-04-19 16:30:35,913 INFO [0x000013b0] [ls\src\http\BasicHttpClientImpl.cpp(452)] [csf.httpclient] [csf::http::executeImpl] - *-----* HTTP response code 0 for request #20 to https://cucm.cisco.com:8443/cucm-uds/version 2017-04-19 16:30:35,913 ERROR [0x000013b0] [ls\src\http\BasicHttpClientImpl.cpp(457)] [csf.httpclient] [csf::http::executeImpl] - There was an issue performing the call to curl_easy_perform for request #20: UNKNOWN_ERROR
You can configure the client to bypass the proxy and go directly to Call Manager in the exceptions section of proxy settings; naviagate to Control Panel > Network and Internet > Internet Options > Connection > LAN Settings > Advanced
You can define the exceptions by asterisk's (*) and then your domain, by an individual IP Address, or a range; e.g. *.MY.Domain; 192.168.1.1; 192.168.1.12-14.
Configure the Proxy to redirect traffic sourced from the Jabber Client to redirect to the appropriate Call Manager.
Remove the proxy configuration from the windows client, then have the HTTP GET method from Jabber bypass the proxy and all other traffic sourced from the PC. This is dependant on the network flow from the client to the Call Manager and would be nullified if the infrastructure inbetween is sends web traffic via Web Cache Communication Protocol (WCCP).
Check the proxy settings on the workstation.
Step 1. You verify the proxy configuration from the command line; navigate to command prompt and run the command netsh winhttp show proxy
Step 2. You can navigate to Control Panel > Network and Internet > Internet Options > Connections > LAN Settings.
When there is no proxy:
When there is a proxy:
Step 3. Run the command "regedit" and navigate to HKEY_CURRENT_USER > Software > Microsoft > Windows > CurrentVersion > Internet Settings