Even though this probably won't help you now, it might help someone.
It appears there is a fork of suds that is still being developed as of Feb. 2016. I've used it before and liked it.
rinse which seems to be a minimal library. It was last updated in 2015.
There is also pysimplesoap which was also updated Feb. 2016.
zeep is probably your best choice these ...
Here is a link to Stack Overflow which may be useful: A Good C++ Library for SOAP.
The question has been asked 10 years ago and the comments of accepted answer says that Axis is not supported any more and any bug you will face you have to fix it on your own.
Other answers suggested other libraries but I don't know which one could be useful for you.