If you experience any problems, please call the Helpline on Freephone 0800 145 6789* or email bt. helpdesk@sgweurope. com 9638 BT_Synergy_6500_UG [2]. indd 38 5/2/10 15:35:19 39 Call Divert on/off/check Call Divert will divert all incoming calls to another number of your choice....