4 Feature ManualFeature HighlightsNetworking FeaturesThe Hybrid IP-PBX supports the following private networking features:TIE Line ServicePBXs can be connected via a privately leased telephone lines, forming a private network. These "TIElines" provide a cost-effective way to route calls and communications, and are often used to connectcorporate offices located in different cities.(→ 1.13.13 PRIVATE NETWORK FEATURES)QSIG SupportTIE line service can be used on a private network that is established using Voice over Internet Protocol(VoIP) with the IP-GW card, or ISDN (PRI) lines programmed to implement the QSIG protocol (Q.931).QSIG offers TIE line service as well as advanced caller and called party identification features.(→ 1.13.18 PRIVATE NETWORK FEATURES—QSIG)Voice over Internet Protocol (VoIP) SupportThe Hybrid-IP PBX can be used on a private network which implements VoIP. On this type of network,information is sent over the private network in IP packets, which allows voice as well as data to be sentto other devices in the private network. Automatic rerouting of VoIP calls to public CO lines is alsoavailable in case of network difficulties.(→ 1.13.23 Private Network Features—VoIP (Voice over Internet Protocol))Built-in Small Call Center FeaturesExtensions can form an incoming call distribution (ICD) group and be used as a small call center which cantake advantage of several features, some of which are highlighted below.QueuingWhen all available extensions in an ICD group are busy, additional calls can be placed in a queue asthey arrive. While calls are waiting in the queue, callers can hear background music (BGM), an outgoingmessage (OGM), etc.(→ 1.9.6 ICD Group Features—Queuing)Log-in/Log-outMembers of an ICD group can log-in to or log-out of a group manually. Group members can log-in atthe beginning of a work shift, and log-out at the end of the day. While logged-in, ICD group memberscan be allotted a specified amount of time after completing a call during which new calls will not bereceived by their extensions, allowing them to finish any necessary paperwork before being eligible toreceive new calls (Wrap-up).(→ 1.9.3 ICD Group Features—Log-in/Log-out)VIP CallThe VIP Call feature is one method of making sure that calls from preferred customers or callers areanswered quickly. When using VIP Call mode, ICD groups are assigned a priority, allowing calls inhigher-priority groups to be answered before calls in lower-priority groups.(→ 1.9.8 ICD Group Features—VIP Call)Computer Telephony Integration (CTI) FeaturesComputers can be connected to the Hybrid-IP PBX to provide extension users with access to advancedfeatures such as pop-up display of caller information, computer-based speed dialing, etc.(→ 1.3.21 CTI (Computer Telephony Integration))