XP0100 Enterprise IP Phone Using the Advanced Phone FunctionsXorcom Ltd. 61 www.xorcom.comParameter DescriptionJITTER BUFFER It is a shared data area where voice packets can be collected,stored, and sent to the voice processor in evenly.Type To select the type of JITTER BUFFER, adaptive or Fixed.Delay To set the Min Delay, Max Delay and Normal Delay parameter.3) Click Confirm to save the change.RingYou can group your contacts, and then set the ringing tone for each group.To edit the Ring option via web user interface:1) Click on Phone->Ring.2) Enter the group name in the Internal Ringer Text field.3) Select a special ring tone from the pull-down list of Internal Ringer File.4) Click Confirm to save the change.