WCF Timeout issue?

Question

I have a somewhat long-taking WCF-based process. WCF service runs in Azure if its of any help. The issue I believe has to do with timeouts:

1) Winforms client has

Answer 1

Updated answer:

Azure load balancer terminates idle connections after 4 minutes. If you're interested in increasing/decreasing timeout value, check this article:

https://azure.microsoft.com/en-us/blog/new-configurable-idle-timeout-for-azure-load-balancer/