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CDMA Development Group
TSG-S Feature Definition
for
Wireless Pay Phone
Rick L. Willis
CDG WLL Technical Team
041400
What is the Wireless Pay Phone feature?
NIU
Pay Phone provided wirelessly
Alternative to the exclusively wired RJ-11
pay phone
Flexible & rapid deployment option
in contrast to the purely wired pay Wireless Switch
phone
Comprised of fewer maintenance
points Pay Phone
E1/T1
Not limited to a single network
topography
Base
Supported by numerous wireless Station
devices
Mobility option is offered for
competitive advaantage
Supports co-existence of numerous RJ-11
RJ-11
vertical features
NIU Wireless Pay Phone
Public Call Office
CDMA
Development Group
041400
What is Pay Phone?
Fee based public
telecommunications service for
completed subscriber calls
Answer Supervision used as the
simple indicator of called party
answer at the beginning of a call in
the forms of:
• Reverse Battery: via signaled Line Local Loop
Pay Phone
Control
• Tones: via signaled Meter Pulses of 50
Hz, 600 Hz, 12 KHz or 16 KHz & In-
Band DTMF Class Tones
• Signal Sequence Transitions: via Wire Line Switch
RJ-11
signaled Tone Signals Ring Back Tone
to Tones Off
Pay Phone
Metering used at the beginning & Pay Phone
throughout the duration of a call to
drive fixed or variable charges
associated with pay phone
originated calls using:
• Tones: via signaled Meter Pulses of 50
Hz, 600 Hz, 12 KHz or 16 KHz CDMA
Development Group
041400
Network Topography Options
FR/ATM/IP
Wireless Switch
Network Base
Feature Server Station
E1/T1
Digital Loop Carrier (V5.2 or TR303) Wireless Pay Phone
Access
Gateway Controller
Local Base
End Office Station
E1/T1
Traditional
Trunk Options
(ANSI/CCITT ISUP, Base
Wireless Switch Station
R1/R2 MF, etc) E1/T1
CDMA
Development Group
041400
Wireless Device Options
Traditional Mobile Station (MS)
Wireless Pay Phone
Network Interface Unit (NIU) RJ-11 RJ-11
NIU
Public Call Office
RJ-11
NIU
Outdoor Network Interface Unit (NIU)
Pay Phone
CDMA
Development Group
041400
Mobility Options
No Mobility
Limited Mobility
Full Mobility
CDMA
Development Group
041400
Vertical Feature Options
Calling Party Identification
Circuit Switched Data
Limited Service Area
Restricted Access
User Zone
Wireless Local Loop
Others ...
CDMA
Development Group
041400
Service Provider Control of the Feature
Per subscriber based
Provisioning Options
• Answer Supervision: • Metering:
• Reverse Battery • Meter Pulse Frequency
• Meter Pulses: • Pulse On Time
– 50 Hz • Pulse Off Time
– 600 Hz • Screening Index
– 12 KHz • Fixed charge at answer
& periodic charge for
– 16 KHz
duration of call
• Tones:
• Type of Date
– DTMF Class Tone C
• Time of Day
• Signals:
• Distance (Screening
– Tone Signals Tones Off Index & Destination
Index)
CDMA
Development Group
041400
Wireless Pay Phone Feature
Characteristics
Wireless Pay Phone Feature Options:
• Answer Supervision provided to the Calling Pay
Phone upon Called Party Answer at time of Call
Origination
• Metering provided to the Calling Pay Phone upon
Called Party Answer at time of Call Origination as
notification of Fixed Charges to be used
throughout duration of a Call or provided also
throughout the duration of Call so as to periodically
indicate Variable Charges which are also to be
applied.
CDMA
Development Group
041400
