Hi, I'm first time setting up the 3cx phone system in my company, i was told that my company have 2 isdn lines with 60 phone numbers(for example: 33334400-33334460), currently was plugged in with patton 4554, setting is ok, can dial out and able to receive in-coming calls. Problem: 1. seems like all outgoing calls only went through 1 number, 33334405, for example 5 phones in office, whatever phones call out to outside by any phones in the company, will go through this number 33334405 only, ( tested with mobile show incoming ). May i know why ? 2. when transfering calls, A call to B, B transfer call to C, but in the display, is show B call to C, but i suppose it should be show that is A call to C right? Really need you guys help here... Thanks..