User Guide for the SIP-T48G IP Phone6Headset Use ..................................................................................................................................................... 51Hotline .............................................................................................................................................................. 52Basic Call Features .............................................................................................. 53Placing Calls..................................................................................................................................................... 53Answering Calls ............................................................................................................................................... 55Ending Calls...................................................................................................................................................... 56Redialing Numbers .......................................................................................................................................... 57Auto Answer ..................................................................................................................................................... 57Auto Redial ....................................................................................................................................................... 58Call Mute .......................................................................................................................................................... 60Call Hold/Resume ............................................................................................................................................ 61Do Not Disturb (DND) ....................................................................................................................................... 62Call Forward ..................................................................................................................................................... 63Call Transfer ..................................................................................................................................................... 66Call Waiting....................................................................................................................................................... 68Conference ....................................................................................................................................................... 68Local Conference.............................................................................................................................................. 69Call Park ........................................................................................................................................................... 70Call Pickup........................................................................................................................................................ 70Anonymous Call................................................................................................................................................ 71Anonymous Call Rejection ............................................................................................................................... 72Advanced Phone Features ................................................................................... 74Voice Mail .......................................................................................................................................................... 74Message Waiting Indicator (MWI) ..................................................................................................................... 76Troubleshooting................................................................................................... 77General Issues .................................................................................................................................................. 77Display Issues ................................................................................................................................................... 77Call Issues ........................................................................................................................................................ 78Headset & Handset Issues ............................................................................................................................... 78Audio Issues ..................................................................................................................................................... 78Regulatory Notices .............................................................................................. 79Service Agreements ......................................................................................................................................... 79