460
THE NEW ZEALAND GAZETTE.
[No. 16

(2) The rates specified in paragraphs (a), (b), (c), and (d) of subclause (1) and in subclause (3) hereof, as well as those prescribed in Regulation 82, apply to ordinary wall telephones; ordinary desk telephones shall be 5d. per month (or 5s. per annum) extra; and automatic or common battery desk telephones fitted with hand microphone shall be 1s. 9d. per month (or £1 per annum) extra.

(3) Automatic private-branch-exchange “direct in-calling” service shall be available in automatic exchange areas to subscribers renting a minimum of six trunk lines to the same premises. The charge for each “direct in-calling” extension station not exceeding the number of trunk lines rented shall be 5s. 8d. per month (or £3 5s. per annum). Any “direct in-calling” extension station in excess of the number of trunk lines rented shall be charged at the rate of 9s. 2d. per month (or £5 5s. per annum).

(4) In cases in which a circuit is required for interconnecting two departmentally-owned private-branch-exchange or interphone systems located in different premises, but rented by the same subscriber, the rental for such circuit (termed a tie-line) shall be 1s. 4d. per month (or 15s. per annum) for each furlong or fraction thereof, plus the rental applicable in respect of a private-branch-exchange extension station, or an interphone position, as the case may be.

81. The equipment of a private branch exchange shall include a switchboard or switching-apparatus of sufficient capacity to provide accommodation for all trunk lines and extension stations required by the subscriber, together with the necessary batteries, ringing-devices, fittings, and one telephone or operator’s set for each switchboard position. The cost of power for charging and recharging any secondary batteries associated with a private branch exchange shall be borne by the subscriber. In connection with “Interphone” installations one holding-device shall be provided for each trunk line. Holding-devices required in excess of one for each trunk line shall be charged for at the rates prescribed in Regulation 80.

82. In cases in which switching facilities for intercommunication were provided prior to the 16th April, 1925, wholly at the expense of a subscriber, the rates for the maintenance only of each intercommunicating extension station and the switching facilities associated therewith shall be as follows:—

Monthly Rate. Annual Rate.
£ s. d. £ s. d.
(a) Manual private branch exchange extension stations .. 0 3 11 2 5 0
(b) Extension stations wired for intercommunication, but not associated with a private branch exchange switchboard 0 3 11 2 5 0

[NOTE.—In cases in which power for ringing purposes at private branch exchanges is supplied from the main exchange the departmental circuit from which the power is supplied is treated as a private-line circuit and charged for at the rates specified in Regulation 125, in addition to a special charge of 1s. 9d. per month (or £1 per annum), for the power and the use of special apparatus in the main exchange.]

Amplifying Telephones and Apparatus for Use by Partially-deaf Subscribers.

83. Special amplifying telephones and apparatus for use by persons of imperfect hearing may be provided subject to payment of a special installation fee of £1 and a rental of 5s. 3d. per month (or £3 per annum) in excess of the rental charge ordinarily applicable. The apparatus to be provided in such cases shall consist of an amplifying-device comprising pedestal telephone, amplifier, valve, and switch; B battery (dry), 48 volts; transmitter battery, 4½ volts; filament battery, 3 volts.

The rental charge aforesaid shall include the cost of maintenance of the special telephone and associated apparatus with the exception of the B battery and the valve employed in connection with the telephone, the cost of replacement of both or either of which shall be borne by the subscriber.

Non-Intercommunicating Extension Telephones, and Miscellaneous Equipment.

84. Extension telephones and other miscellaneous equipment required within the same building or upon the same premises as the main station shall be furnished and maintained by the Department upon payment of the installation and rental charges specified in Regulation 91.

85. The term “same premises” in Regulation 84 shall cover various buildings detached from one another but on the same land as the main premises and part of the same establishment. The Secretary or Chief Telegraph Engineer may, however, authorize, in special circumstances, the installation of extension stations involving wires crossing a public street or road or another person’s property. In such cases no installation charges shall be made in respect of the erection of the circuit or circuits between the main and extension stations, but a special mileage rate of 1s. 4d. per month (or 15s. per annum) shall be payable for each furlong or fraction thereof of each circuit.

86. Except as provided in Regulation 87, not more than two extension telephones shall be joined to any automatic-exchange connection.

87. A subscriber having two individual lines and two main stations may have switching-key equipment installed for the purpose of switching extension telephones to either line; and if service conditions permit, a maximum of four extension telephones common to both lines may be so arranged. In such cases the rental for each extension telephone shall be 2s. 8d. per month (or £1 10s. per annum) for connection with the first line, and 1s. 9d. per month (or £1 per annum) for connection with each succeeding line, in addition to the usual rates for the switch or switches and any desk telephones.

88. An extension telephone shall not be installed in a subscriber’s business premises if the main station with which it is associated is of residential status.

89. Where an extension telephone or other item of miscellaneous equipment is required in a position exposed to the weather the subscriber shall pay, in addition to the installation and rental charges specified in Regulation 91, the cost of a suitable box for the protection of the instrument.

90. When an extension telephone or other item of miscellaneous equipment is installed in a subscriber’s premises situated beyond the boundary of the base-rate area, the subscriber shall pay, in addition to the installation charge specified in Regulation 91, the estimated cost of the workmen’s travelling time and expenses between the boundary