How do I put a party on hold with the Nokia Lumia 521?

[Windows Central Question]

At times during a conversation my phone goes silent an "On Hold" appears on the screen. The parties I am connected to say it is not there phones.

 

[Harrie-S]

See below link you may by accident push the hold button ‖



https://www.windowsphone.com/en-us/how-to/wp8/calling-and-messaging/calling-options

 

[RumoredNow]

LOL It's Darrin DeYoung Demo Dude.