At least ghantagadi.in is resolvable via public DNS.
yo123As I read data sheet I came to know that at+httppara command is used for fully qualified domain name and IP address.. so this is not a fqdn so I have to used IP address any how.
What makes you think "this is not a fqdn"? Because you are missing the server name? Add the server name at the start in that case.
Where are you reading this?
sim808 is not a Microchip product, so you'd do better asking on their support forums (if they have any) or at the very least link to the full documentation you are using (rahter than just supplying the odd page from it) so we are all looking at the same reference material.
There is also one command At+cipstart that can resolve IP address. But I don't know how to use it , in case of below link
That command, at least according to this reference
, is to start a TCP or UDP connection. It is NOT
for (directly) resolving a host name and returing you the IP address.
What IP were you using when you used an IP address and port and it was working? Presumably 22.214.171.124:4044 which is where ghantagadi.in resolves to?
Fairly sure, that if AT+CIPSTART can resolve host names, AT+HTTPPARA should be able to also. No reason for it not to.
My guess is still that this is either that the DNS lookup is failing, or that your server is not configured correctly.
i.e. It's NOT
a problem with the sim808 or your PIC application.
Look in your server logs. See if you are at least getting an attempted connection.
Additionally I don't seem to be able to make a connection to either of the following addresses from my desktop browser:
Im getting an SSL error PR_END_OF_FILE_ERROR.
However HTTP (i.e. not HTTPS) requests to the above are returning:
<Message>The requested resource does not support http method 'GET'.</Message>
OK - so I did a GET and not a POST - fair enough.
Where you perhaps initially trying with only HTTP?