1、 ANSI/TIA/EIA-136-350-C-2002 APPROVED: APRIL 15, 2002 APPROVED: SEPTEMBER 27, 2013 WITHDRAWN: JUNE 12, 2015 TIA/EIA-136-350-C (Revision of TIA/EIA-136-350-B) April 2002TDMA Third Generation Wireless- Data Service Control NOTICE TIA Engineering Standards and Publications are designed to serve the pub
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20、ecifies Data-Service Control (DSC) for TDMA wire-less systems. DSC uses standardized user-network commands and responses to access the following services and features: Async Data Service (ADS). Direct Async Data Service (DADS). Fax Service. General User Datagram Protocol Transport Service (GUTS). Sh
21、ort-Message Service (SMS). Autodial Feature. EGPRS-136 Packet Data. A mobile termination provides access to these services and features via a data port. This standard was developed by TR-45.3.2, the Data Services Working Group of TR-45.3, the TIA TDMA Wireless Standards Subcommittee. It contains two
22、 annexes: Annex A contains no requirements: it provides guidelines to application programmers. Annex B contains no requirements: it lists and defines acronyms used within the standard. TIA welcomes suggestions for improvement of this standard. Please send suggestions to the following address: Teleco
23、mmunications Industry Association 2500 Wilson Boulevard Suite 300 Arlington VA 22201-3836 TIA/EIA-136-350-C-2013 iii Contents 1. Purpose and Scope3 2. Overview.5 2.1 Services Provided by Data-Service Control .5 2.2 Services Required from Cellular Call Control6 2.3 Services Required from Datagram Con
24、trol 7 2.4 Services Required from Short-Message Control 7 2.5 Services Required from RLP1 8 3. Data-Service-Control Structure.9 3.1 Data Port.9 3.2 Data-Port Handler.11 3.3 Command Handlers 11 3.4 Connection Managers .13 3.5 Private Channel.13 3.6 Data Communication Equipment14 3.7 DSC Global States
25、 14 4. Signals.16 4.1 User-Network Commands 16 4.2 Network-User Responses .228 4.3 Private-Channel PDUs344 4.4 Private-Channel Frames352 4.5 Service Primitives.352 4.6 MT Configuration Memory 364 5. Processes.370 5.1 MT Data Port371 5.2 MT Data-Port Handler374 5.3 Command Handlers 376 5.4 Connection
26、 Managers .379 5.5 Private Channel.383 5.6 BMI Data Communication Equipment .393 6. References (Normative) 395 A. Guidelines for Application Programmers .397 B. Acronyms398 TIA/EIA-136-350-C-2013 iv User-Network Commands 4.1.1 Command Template 18 4.1.2 A Answer 20 4.1.3 D Dial21 4.1.4 En Command Ech
27、o22 4.1.5 H Hook Control.23 4.1.6 Ln Speaker Volume.24 4.1.7 Mn Speaker Mode.25 4.1.8 O Return to Online Data State.26 4.1.9 Qn Result-Code Suppression 27 4.1.10 S0 Automatic Answer .28 4.1.11 S3 Termination Character .29 4.1.12 S4 Line-Feed Character.30 4.1.13 S5 Editing Character .31 4.1.14 S6 Pau
28、se Before Blind Dialing32 4.1.15 S7 Connection Timeout.33 4.1.16 S8 Comma Time35 4.1.17 S10 Automatic-Disconnect Delay.36 4.1.18 Vn Response Format .37 4.1.19 Xn Call-Progress Monitoring38 4.1.20 Z Hard Reset to Default Configuration .39 4.1.21 3 describes DSCs structure. 4 and 5 contain 6 requireme
29、nts: 4 specifies signals; 5 specifies processes. References 7 appear in 6. Finally, Annex A provides guidelines to application 8 programmers, and Annex B lists and defines acronyms. Note that 5 9 refers to figures too large to fit within the body of the standard. These 10 figures are enclosed in a s
30、eparate envelope. 11 Readers will find the following documents helpful in understanding 12 this standard: X.200 6 and Z.100 7. 13 Similar to X.200, this standard uses reference models to organize con-14 cepts and requirements into a logical structure. These reference models 15 are not meant to unnec
31、essarily constrain implementations any 16 implementation that, as a whole, behaves the same as DSC specified in 17 this standard, by definition, complies with this standard. 18 If the requirements of this standard conflict with the requirements of 19 referenced standards, this standard shall govern.
32、 20 TIA/EIA-136-350-C-2013 5 2. Overview 1 Using standardized user-network commands and responses, DSC 2 provides access to numerous data services and features. DSC resides at 3 layers 1 to 3 and at higher layers. See Figure 21. 4 Figure 21 DSC Position in Protocol Stack 5 Layer 3UpperLayersLayer 2L
33、ayer 1UserapplicationData portUnspecifiedmiddlelayersPSTNUser-networkinterfaceCCCDTCData-Service Control Data-Service ControlRadiointerfaceInter-networkinterfaceRLP1MTMobile TerminationBMIBase Station, Mobile SwitchingCenter, Interworking FunctionDTEOutsideNetworksCCC Cellular Call ControlDC Datagra
34、m ControlDTC Digital Traffic ChannelDTE Data TerminalRLP1 Radio Link Protocol 1ISDN Integrated Services Digital NetworkPDN Packet Data NetworkPSTN Public Switched TelephonePDN ISDNDTCRLP1SMCDCControlChannelsControlChannelsSMC Short Message ControlCCC6 2.1 Services Provided by Data-Service Control 7
35、DSC, as specified in this standard, provides the following services to 8 the user application: 9 Call setup, supervision, and clearing. At the request of the user 10 application within the DTE, or at the request of outside net-11 works, DSC instructs TIA-136 call control to setup or clear 12 data ca
36、lls. If lower layers malfunction, the DSC clears the call 13 and informs the user application. 14 AT-command handling. DSC assembles AT commands 15 received as IRA-IRV (International Reference Alphabet 16 International Reference Version) characters 1 from the DTE, 17 forwards the commands to the pro
37、per destination (MT or BMI), 18 executes the commands, and then returns a response. 19 User-data transport. DSC transports data between the DTE and 20 outside networks. 21 TIA/EIA-136-350-C-2013 6 Online-command signaling. While transporting data (Online 1 Data State), DSC monitors for a DTE escape
38、request. Upon 2 detection of such a request, DSC enters Online Command State 3 and processes any AT commands received from the DTE. 4 Break signaling. DSC transports break signals between the 5 DTE and the internetwork interface. These signals comprise 6 non-expedited break, expedited break, and exp
39、edited destruc-7 tive break. 8 Signal leads. DSC transports to the mobile termination the state 9 of the BMIs receive-line-signal circuit (circuit 109) and 10 received-energy-present circuit (circuit 135). 11 Datagram interface. DSC provides an AT-command interface 12 to the datagram functions provi
40、ded within datagram control. 13 Short-message interface. DSC provides an AT-command 14 interface to the short-message functions within short-message 15 control. 16 Autodial interface. DSC provides an AT-command interface to 17 the dialing functions within cellular call control. 18 2.2 Services Requi
41、red from Cellular Call Control 19 DSC requires the following services from CCC: 20 Call setup, supervision, and clearing. At the request of DSC, 21 call control sets up, supervises, and clears circuit data calls. 22 Registration. Call control registers the mobile termination for 23 service in approp
42、riate BMIs. It passes to DSC the identity of 24 the registered BMI. 25 Authentication. As a result of its internal authentication proce-26 dures, call control provides encryption keys. DSC passes these 27 keys to RLP1. 28 Autodialing. At the request of DSC, call control sets up, 29 supervises, and c
43、lears voice calls. 30 TIA-136-123, 133, and 140 specify cellular call control. 31 TIA/EIA-136-350-C-2013 7 2.3 Services Required from Datagram Control 1 DSC requires the following services from DC: 2 Datagram formatting. DC formats datagrams for transmission 3 over the radio interface. 4 Datagram st
44、orage. DC stores datagrams received over the 5 radio interface until they can be delivered to the DTE, and it 6 stores datagrams received from the DTE until they can be 7 transmitted over the radio interface. 8 Default information-element storage. DC stores default infor-9 mation elements for use in
45、 formatting the R-Data messages that 10 carry the datagrams. 11 Index assignment. DC assigns index numbers to datagrams 12 received over the radio interface and to datagrams that may be 13 transmitted over the radio interface. 14 Datagram reporting. DC reports incoming datagrams received 15 over the
46、 radio interface. 16 TIA-136-750 specifies datagram control. 17 2.4 Services Required from Short-Message Control 18 DSC requires the following services from SMC: 19 Message formatting. SMC formats short messages for transmis-20 sion over the radio interface. 21 Message storage. SMC stores messages r
47、eceived over the radio 22 interface in an in-box; it queues messages for transmission over 23 the radio interface in an out-box; it stores messages for future 24 retrieval in a hold-box; and it stores canned messages in a 25 canned-box. 26 Default information-element storage. SMC stores default in-2
48、7 formation elements for use in formatting short messages. 28 Message-reference assignment. SMC assigns message-refer-29 ence numbers to short messages that may be transmitted over 30 the radio interface. 31 Message-index assignment. SMC assigns message-index 32 numbers to messages received over the
49、 radio interface and to 33 messages that may be transmitted over the radio interface. 34 Privacy management. In response to DSC requests, SMC only 35 reports short messages that pass privacy criteria. 36 Message reporting. SMC reports incoming messages received 37 over the radio interface. 38 TIA-136-710 specifies short-message control. 39 TIA/EIA-136-350-C-2013 8 2.5 Services Required from RLP1 1 DSC requires the following services from RLP1: 2 Dual logical links. DSC requires two i
