mated message. Any caller reaching Voice Mail will have the option of reach- ing a live attendant by holding on at any point in the process. Instructions for escaping from Voice Mail by dialing 0 are in- cluded as a part of the system. Outgoing calls will be made by dialing 9 to access a group of combination trunks or a T-1 for long distance calling. Automatic route selection in the system will select the lowest cost circuit for placing the call. Internal calls will be made on the system intercom by: (1) dialing a three or four digit extension, (2) on a separate group intercom or (3) on a boss-secretary type of intercom. All three types must be available and work when the person called on the intercom is on an outside call. Most telephones in the system will be multi-line with a dis- play. The display will have the ability to indicate the name of the person who is calling on internal calls and the source of the call 66 de The Telecom Handbook CHAPTER 3 (trunk identification by type and telephone number assignment - 7 digit) for incoming outside calls. It will also display the name and number of the outside calling party, when available. Required System Capabilities The following capabilities are required for the proposed sys- tem to be considered. Please state in your response whether each capability is standard, optional or not available in the proposed system. (Note: This list was prioritized for our particular client.) 1. Capability to obtain a traffic study, on demand, indicat- ing use on the T-1s and other trunks carrying incoming and outgoing calls. Also must be able to track recalls to the switchboard from unanswered and busy extensions and internal calls. 2. Capability to make system changes on-site such as relo- cating telephones (to cabled, system activated locations), changing extension appearances or system forwarding. 3. Capability for incoming calls to forward in four different directions for internal/busy, internal/no answer, external/ busy and external/no answer. 4. Capability to accept an ISDN PR