Quote Originally Posted by fisamo View Post
You can always try the hookflash then hangup transfer method. (I'm running BYOD, so my test wouldn't necessarily be accurate for provisioned users.) With the first call connected, hookflash over to the "second line", dial the number you'd transfer the call to, then hang up. If transfer is supported, the other calls would be connected. Do you have two other lines you can test it with (like two cell phones)?
I have tested that and it does not work