1.21.1.5 Call Forwarding (CF)—by ISDN (P-P)DescriptionAn extension user can forward the incoming ISDN call to another outside party using the ISDN service of thetelephone company, instead of the PBX feature, when the call is received through an ISDN line.The network directly forwards the call to the destination which the extension user has set in the PBX as theforward destination of trunk calls; the network is instructed by the PBX. This feature is available only when thecall is received through an ISDN port which supports this feature.Call Forwarding—Unconditional (CFU), Call Forwarding—Busy (CFB), and Call Forwarding—No Reply(CFNR) are applied to this feature.[Example]Outside PartyOutside CallerExtn. 1011Dials "01-45-6789".CF Requestto 01-23-4567(DDI No.: 01-45-6789Forward Destinationof Trunk Calls: 01-23-4567)(DDI No.: 01-45-6789Forward Destinationof Trunk Calls: 01-23-4567)(01-23-4567)ISDN by ISDN (P-P)>PBXOutside PartyOutside CallerExtn. 1011Dials "01-45-6789".(01-23-4567)ISDNPBXConditions• This feature complies with the following European Telecommunication Standard (ETS) specification:– ETS 300 207 Diversion supplementary service.• The availability of this feature is dependent on the contract with the telephone company.• This feature can be enabled or disabled on each ISDN port of the PBX.• This feature is available when the same trunk group is used for the incoming call and the forwarded call.PC Programming Manual References3.30 [1-1] Slot—Port Property - BRI Port—Supplementary Service— COLP, CLIR, COLR, CNIP, CONP,CNIR, CONR, CF (Rerouting), CT, CCBS, AOC-D, AOC-E, 3PTY3.32 [1-1] Slot—Port Property - PRI Port—Supplementary Service— COLP, CLIR, COLR, CNIP, CONP,CNIR, CONR, CF (Rerouting), CT, CCBS, AOC-D, AOC-E, E911, 3PTY4.9 [2-6-1] Numbering Plan—Main—Features— ISDN-FWD (MSN) Set / Cancel / ConfirmFeature Guide 2451.21.1 Integrated Services Digital Network (ISDN)
