EXP40 Expansion Module191 If another group B is assigned to be displayed on the next module, the rest contacts ofthe group1 will be ignored. The next module only displays contacts in group B. If group A is also assigned to be displayed on the next module or no group is assigned tobe displayed on the next module, the rest contacts of the group A will be displayed onthe next module.When your phone is connected to the EXP40, you can assign Skype for Business contactsto line keys on your EXP40. You can quickly call Skype for Business contacts, initiate aconference call or transfer a call by pressing the corresponding line key on theexpansion module. You can also view your Skype for Business contacts’ presence statusand name from your expansion module.You can place a call or add a new call quickly using the line keys on the EXP40.To place a call when the phone is idle using the EXP40:1. Press a line key corresponding to the Skype for Business contact you want to call.You can press the page key to turn pages.To add a new call during a call using the EXP40:1. Press a line key corresponding to the Skype for Business contact you want to add.