TIA/EIA-136-350-C:2002

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TDMA – Third Generation Wireless – Data Service Control

Published By	Publication Date	Number of Pages
TIA	2002	418

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Category: TIA

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Description

Purpose and Scope

This standard specifies Data-Service Control (DSC) for TDMA
wire4 less systems. DSC uses standardized user-network commands and
responses to access the following services and features:

Async Data Service (ADS) provides async data service
between wireless and PSTN (Public Switched Telephone Network)
users. It uses circuit-mode access over the radio interface and
modem-based connections into the PSTN.
Direct Async Data Service (DADS) provides async data
service between wireless users and PDN (Packet Data Network) users
or ISDN (Integrated Services Digital Network) users. It uses
circuit-mode access over the radio interface and direct-digital
connections into PDNs or the ISDN. Note that PDNs include the
internet.
Fax Service provides fax service between wireless and
PSTN users. It uses circuit-mode access over the radio
interface.
General User Datagram Protocol Transport Service
(GUTS) provides data services between wireless users and a
teleservice server. It uses packet-mode access over the radio
interface and direct-digital connections into the teleservice
server.
Short-Message Service (SMS) provides short-message
services between wireless users and a message center. It uses
packet mode access over the radio interface and direct-digital
connections into the message center.
Autodial Feature provides methods for DTE (Data
Terminal Equipment) to autodial voice calls.
EGPRS-136 provides packet-data service between
wireless users and PDN (Packet Data Network) users or ISDN
(Integrated Services Digital Network) users. It uses packet-mode
access over the radio interface. See TIA/EIA-136-351 for the
specification of commands and responses used for this service.A
mobile termination provides access to these services and features
via a data port.

DSC requires an underlying link protocol as specified ed in
TIA-136-310 [10]. It also requires cellular call control, datagram
control, short message control, and other cellular functions, as
specified in other parts of TIA-136 [9].

To aid the reader, §§ 2 and 3 contain descriptive information: §
2 pro6 vides an overview; § 3 describes DSC's structure. §§ 4 and 5
contain requirements: § 4 specifies signals; § 5 specifies
processes. References appear in § 6. Finally, Annex A provides
guidelines to application programmers, and Annex B lists and
defines acronyms. Note that § 5 refers to figures too large to fit
within the body of the standard. These figures are enclosed in a
separate envelope.

Readers will find the following documents helpful in
understanding this standard: X.200 [6] and Z.100 [7].

Similar to X.200, this standard uses reference models to
organize concepts and requirements into a logical structure. These
reference models are not meant to unnecessarily constrain
implementations — any implementation that, as a whole, behaves the
same as DSC specified in this standard, by definition, complies
with this standard.

If the requirements of this standard conflict with the
requirements of referenced standards, this standard shall
govern.

Additional information