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Description: TS23.228的中文文档，对于学习IMS有很大的帮助-TS23.228 Chinese documents, learning IMS will be very helpful
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Size: 1606656 |
Author: 王东辉 |
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Description: 3gpp ts 23.228文档中文版（3GPP TS 23.228 V7.0.0 (2005-06)）-3gpp ts 23.228 Chinese version of the document (3GPP TS 23.228 V7.0.0 (2005-06))
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Size: 1606656 |
Author: 海潮 |
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Description: Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS)
specific information Alphabets and language (3GPP TS 23.038 version 8.2.0 Release 8)-Digital cellular telecommunications system (Phase 2+) Universal Mobile Telecommunications System (UMTS)
specific information Alphabets and language (3GPP TS 23.038 version 8.2.0 Release 8)
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Size: 175104 |
Author: Nomessds |
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Description: 09年发布，包括UMTS协议，IMS的stage2-Digital cellular telecommunications system (Phase 2+)
Universal Mobile Telecommunications System (UMTS)
LTE
IP Multimedia Subsystem (IMS)
Stage 2
(3GPP TS 23.228 version 8.10.0 Release 8)
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Size: 1513472 |
Author: tony |
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Description: ITU-T G.722.2
国际电信联盟G.722.2建议书，2003年7月版。该建议书是语音通讯领域的压缩标准，被GSM，WCDMA，3GPP等采用，题目为16kbit下的宽带语音编码，使用自适应多率宽带编码。
内容主要有代数码激励线性预测编码(ACELP)，话音活动检测(VAD)等。-This Recommendation describes the high quality Adaptive Multi-Rate Wideband (AMR-WB)
encoder and decoder that is primarily intended for 7 kHz bandwidth speech signals. AMR-WB
operates at a multitude of bit rates ranging from 6.6 kbit/s to 23.85 kbit/s. The bit rate may be
changed at any 20-ms frame boundary.
Annex C includes an integrated C source code software package which contains the implementation
of the G.722.2 encoder and decoder and its Annexes A and B and Appendix I. A set of digital test
vectors for developers is provided in Annex D. These test vectors are a verification tool providing an
indication of success in implementing this codec.
G.722.2 AMR-WB is the same codec as the 3GPP AMR-WB. The corresponding 3GPP
specifications are TS 26.190 for the speech codec and TS 26.194 for the Voice Activity Detector.
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Size: 728064 |
Author: 刘涛 |
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Description: This class implements the character set mapping between the GSM SMS 7-bit alphabet specified in TS 23.038 6.2.1 and UTF-16.
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Size: 4096 |
Author: menneyen |
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Description: SMS user data header, as specified in TS 23.040 9.2.3.24.
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Size: 2048 |
Author: seiserjon |
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Description: New GsmSmsAddress from TS 23.040 9.1.2.5 Address Field.
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Size: 1024 |
Author: jeiluemon |
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Description: This class provides methods to play DTMF tones (ITU-T Recommendation Q.23), call supervisory tones (3GPP TS 22.001, CEPT) and proprietary tones (3GPP TS 31.111). Depending on call state and routing options, tones are mixed to the downlink audio or output to the speaker phone or headset.
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Size: 4096 |
Author: zerjenron |
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Description: The present document defines the Stage 2 service description for the Evolved 3GPP Packet Switched Domain - also known as the Evolved Packet System (EPS) in this document. The Evolved 3GPP Packet Switched Domain provides IP connectivity using the Evolved Universal Terrestrial Radio Access Network (E-UTRAN).
The specification covers both roaming and non-roaming scenarios and covers all aspects, including mobility between E-UTRAN and pre-E-UTRAN 3GPP radio access technologies, policy control and charging, and authentication.
The Radio Access Network functionality is documented only to the extent necessary to describe the overall system. TS 36.300 [5] contains the overall description of the Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN).
ITU-T Recommendation I.130 [3] describes a three-stage method for characterisation of telecommunication services, and ITU-T Recommendation Q.65 [4] defines Stage 2 of the method.
-3GPP TS 23.401 V13.1.0 (2014-12)
Technical Specification
3rd Generation Partnership Project
Technical Specification Group Services and System Aspects
General Packet Radio Service (GPRS) enhancements for
Evolved Universal Terrestrial Radio Access Network
(E-UTRAN) access
(Release 13)
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Size: 3529728 |
Author: wupengcheng |
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