29 JANUARY
NEW ZEALAND GAZETTE
215

5.5.1 Installation Charges
Where it is necessary to extend the Telecom network (which includes the lead-in to the customer's premises) to provide service, additional charges may apply. These charges will be based on the actual costs involved in providing the service. They will include, for example, labour, materials and travelling time.

5.6 DEDICATED VOICE SERVICES
5.6.1 Digital Voice Access
Standard PSTN telephone trunks can be provided in conjunction with other Dedicated Voice Services over a Digital Voice Access. PSTN access is from the central exchanges in the main centres.

These exchanges are:

• Airedale Street
• Mayoral Drive
• Remuera
• Hamilton Central
• Frankton (from late 1992)
• Palmerston North
• Wellington Central
• Courtenay Place
• Lower Hutt
• Christchurch
• Riccarton
• Dunedin

5.6.2 PBX Tiel ine Service
Monthly Transmission Prices
All PBX Tiel ine circuits incur a transmission charge which covers the costs of the link between the terminal centres to which the customer's circuit ends connect.

The City Step transmission charge is applicable when a circuit is completely within the metropolitan borders of Auckland, Hamilton, Palmerston North, Wellington, Christchurch and Dunedin. The Director of Sales in each ROC will determine what constitutes the metropolitan borders of each of these areas, but the intention is for a City Step to cover only what can be regarded as a continuous urban area. Circuits completely within the urban areas of other centres will usually be charged the Step A rate; but they may be determined as metropolitan by the local Director of Sales, subject to the agreement of the Telecom Pricing Manager.

5.6.3 Metrolink Service
Monthly Transmission Prices
All Metrolink Service circuits incur a transmission charge which covers the costs of the link between the terminal centres to which the customer's circuit ends connect.

The City Step transmission charge is applicable when a circuit is completely within the metropolitan borders of Auckland, Hamilton, Palmerston North, Wellington, Christchurch and Dunedin. The Director of Sales in each ROC will determine what constitutes the metropolitan borders of each of these areas, but the intention is for a City Step to cover only what can be regarded as a continuous urban area. Circuits completely within the urban areas of other centres will usually be charged the Step A rate; but they may be determined as metropolitan by the local Director of Sales, subject to the agreement of the Telecom Pricing Manager.

5.6.4 Distant and Remote PBX Extension Service
Monthly Transmission Prices
All Remote PBX Extension circuits incur a transmission charge which covers the costs of the link between the terminal centres to which the customers circuit ends connect.

The City Step transmission charge is applicable when a circuit is completely within the metropolitan borders of Auckland, Hamilton, Palmerston North, Wellington, Christchurch and Dunedin. The Director of Sales in each ROC will determine what constitutes the metropolitan borders of each of these areas, but the intention is for a City Step to cover only what can be regarded as a continuous urban area. Circuits completely within the urban areas of other centres will usually be charged the Step A rate; but they may be determined as metropolitan by the local Director of Sales, subject to