Extension 201 does not answer the trunk call, so the call is forwarded to the VPS, and answered by mailbox201. If the outside caller leaves a message, the VPS sends a Message Waiting notification to the extensionusing Enhanced QSIG information over the private network.When forwarding the call, PBX-2 sends any received call information (Caller ID number/name, DDI number)along with the VM trunk group number to use, applicable time mode, and extension number and forwardingreason of the original destination extension to PBX-1 as Enhanced QSIG information.PBX Code MethodPBX-1 (PBXCode: 20)TIE Line NetworkPrivate networkPBX-2 (PBXCode: 30)Outside CallerPBX-3PBX-4PBX-5PBX-6PBX-7Telephone CompanyExtn. 102Fwd to VPSPBX-8Extn.101Extn.101VPSMailbox 101Mailbox 201Mailbox 730101Mailbox 730102:"Hello. I am not atmy desk right now."Mailbox 730102"7-30-102"[TIE lineaccess no.][Extn. no.][PBXcode][Explanation]Extension 102 does not answer the trunk call, so the call is forwarded to the VPS, using a VPS mailbox numbercontaining the TIE line access number, the PBX code of the PBX that received the call, and the extensionnumber that received the call.This mailbox number is the same as if an extension connected to PBX-1 called extension 102 of PBX-2. Thismailbox number should be programmed as the mailbox number and owner extension number on the VPS.Multiple VPSsMore than one PBX in the network can have a VPS connected, and each VPS can provide voice mail servicesfor extensions connected to other PBXs in the network.Conditions• The KX-NCS4910 or KX-NCS4950 (Activation Key for Software Upgrade to Enhanced Version) is requiredfor the KX-TDE series PBX connected to the VPS, and for all KX-TDE series PBXs that will use this feature.• All PBXs in the network must be KX-TDE series, KX-TDA series, or KX-NCP series PBXs. For informationon the hardware requirements for KX-TDA/KX-NCP series PBXs that share the same VPS, refer to thecorresponding Feature Guide.Feature Guide 3751.30.5 QSIG Enhanced Features
