3.1.11 Distinctive RingtoneDescriptionIt is possible to select the type of ring tone pattern that arrives at an extension for each type of incoming call,etc. This feature is only available for SLT and KX-HDV series SIP phones.ConditionsConditions NoteSets the ring tone patterns (Single/Double) for incoming trunk callsor incoming intercom calls (including doorphones) by SystemOptions.If a trunk call is forwarded, the ring tone pattern for incomingintercom calls is heard at the forwarded extension.PIL Reference2.2.6 PBX Configuration—[1-6] System—System Options3.1.12 Extension Group CallDescriptionAn extension group is a group of extensions programmed through system programming.An extension group receives calls directed to the group. Each extension group has a floating extensionnumber (default: 6 + two-digit group number [up to group 16]).Following distribution methods of incoming group calls can be selected in the Web Maintenance Console:Distribution method DescriptionRing group All extensions in the Extension Group ring simultaneously.NoteIf all extensions in the extension group are busy, the call will bedisconnected.Hunting group One extension in Extension Group rings. If a call received at anextension is not answered within a pre-programmed time period(FWD No Answer Time), the call will be redirected to the nextmember extension. Extensions are hunted in a circular way in thepreprogrammed order for the group, starting at the extension afterthe extension that received the last call. If none of the extensions inthe group answer, the caller will hear a busy tone. (Refer to [Flowchart] in 3.1.9 Call Forwarding (FWD))OperationBy calling to the floating extension number of Extension Group, it is possible to call extension membersbelonging to the Extension Group.ConditionsConditions NoteIt is possible to create a maximum of 16 Extension Groups. Up to 24extensions can belong to one Extension Group.One extension can belong tomultiple Extension Groups.3.1.11 Distinctive Ringtone36 Feature Manual