Feature Guide References5.1.1 Class of Service (COS)Extension-CO Line Call Duration LimitEnables the extension-to-trunk call duration feature. The maximum call duration can be set usingExtension-CO Duration Time (*60s) on 11.1.1 PBX Configuration—[3-1-1] Group—Trunk Group—TRGSettings.Value RangeDisable, EnablePC Programming Manual References10.9 PBX Configuration—[2-9] System—System Options—Option 2— Extension - CO Call Limitation—ForIncoming Call11.1.1 PBX Configuration—[3-1-1] Group—Trunk Group—TRG Settings—Main— COS12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Main— COS12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Main— COSFeature Guide References2.11.8 Trunk Call LimitationTransfer to COEnables the transferring of calls to trunks.Value RangeDisable, EnablePC Programming Manual References12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Main— COS12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Main— COSFeature Guide References2.12.1 Call TransferCall Forward to COEnables the forwarding of calls to trunks.Value RangeDisable, EnablePC Programming Manual References12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Main— COS12.1.2 PBX Configuration—[4-1-2] Extension—Wired Extension—FWD/DND12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Main— COSPC Programming Manual 44510.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings
