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【预售】Computer Telephony Encyclopedia
【预售】Digital Telephony Third Edition
【预订】Computer Telephony Integration, Second Edition
【预售】IP Telephony Interconnection Reference: Challenges
【预售】A Village Goes Mobile: Telephony, Me...
【预订】Networks: Internet . Telephony . Mul...
【预售】Digital Telephony and Network Integrat
【预订】Ims Multimedia Telephony Over Cellular Systems - Voip Evolution in a Converged Telecommunication World
海外直订Digital Telephony 数字电话
【预订】Ip Telephony - Deploying Voip Protocols and Ims Infrastructure 2E
海外直订IP Telephony Interconnection Reference: Challenges, Models, and Engineering IP电话互连参考:挑战、模型和工程
预订 Beyond Voip Protocols - Understanding Voice Technology And Networking Techniques For Ip Telephony *网络语音协议：了
海外直订Digital Telephony and Network Integration 数字电话和集成
海外直订Telephony, the Internet, and the Media: Selected Papers From the 1997 Telecommun 电话、互联网和媒体:1997年
海外直订Networks: Internet - Telephony - Multimedia ：互联网-电话-多媒体
海外直订Converged Communications: Evolution from Telephony to 5g Mobile Internet 融合通信:从电话到5g移动互联网的演
现货 Ims Multimedia Telephony Over Cellular Systems 【中商原版】
按需印刷不退不换Building Telephony Systems with OpenSIPS - Second Edition[9781785280610]
按需印刷不退不换Building Enterprise Ready Telephony Systems with sipXecs 4.0[9781847196804]
按需印刷不退不换FreePBX 2.5 Powerful Telephony Solutions[9781847194725]
海外直订Management of Speech and Video Telephony Quality in Heterogeneous Wireless Netwo 异构无线中语音和视频电
预订不退不换Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
海外直订Wi-Fi Telephony: Challenges and Solutions for Voice Over Wlans Wi-Fi电话：无线语音的挑战与解决方案
预订 Voip and Unified Communications: Internet Telephony and the Future Voice Network 蓝牙声麦与整合通讯：互联网电话和未
【预售】Cisco Avvid and IP Telephony: Design
【预售】Building Enterprise Ready Telephony Systems with
预订 Telephony, the Internet, and the Media
【预售】Freepbx 2.5 Powerful Telephony Solutions
【预售】Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise
【预售】Wi-Fi Telephony: Challenges and Solutions for Voice
现货 英文原版 IP 电话：部署 VoIP 协议和 IMS 基础设施IP Telephony:Deploying VoIP Protocols and IMS Infras 9780470665848
【3-4周达】Computer Telephony Encyclopedia [9781138412286]
预订 Telephony: 9781296908966
[预订]Telegraph And Telephone Age: Telegraphy-Telephony-Radio, (Jan. - Dec., 1917) 9781013585845
海外直订Cyclopedia of Telephony & Telegraphy Vol. 1 a General Reference Work on Telephon 电话电报百科全书第一卷电话
预订 Modern American Telephony in All Its Branches ...: 9781147533330
预订 Telephony: 9781146659468
预订 Wireless Telephony: In Theory And Practice (1908): 9781165842360
预订 The Wonder Phone in the Land of Miracles: Mobile Telephony in Israel 在神奇土地上的神奇电话: 以色列的移动电话: 9781
海外直订Pbx Systems for IP Telephony, Migrating Enterprise Communications 用于IP电话、迁移企业通信的Pbx系统
【预售】Enterprise Networks and Telephony: From Technology
海外直订Computer Telephony Encyclopedia 电脑电话百科全书
【预售】Wireless Telegraphy and Telephony: An
海外直订Wireless Telegraphy and Telephony: An Outline for Electrical Engineers and Other 无线电报和电话技术：电气工
海外直订The Principles of Electric Wave Telegraphy and Telephony 电波电报和电话原理“，
预订 Wireless Telegraphy and Telephony Simply Explained: A Practical Treatise Embracing Complete and Detailed Explanatio
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019006122
【预售】Wireless Telephony, in Theory and Practice
[预订]The Thermionic Valve and Its Developments in Radiotelegraphy and Telephony 9781015773448
【3-4周达】Telephony, the Internet, and the Media: Selected Papers From the 1997 Telecommunications P... [9780805831511]
【3-4周达】Digital Telephony and Network Integration (Second Edition 1995) (Second Edition 1995) (Sec... [9781461357216]
【3-4周达】Handbook of SDP for Multimedia Session Negotiations : SIP and WebRTC IP Telephony [9781138484498]
【3-4周达】Digital Telephony Third Edition [Wiley电子电气工程] [9780471345718]
【3-4周达】IP Telephony Interconnection Reference: Challenges, Models, and Engineering [9781439851784]
IP PBX with 2 FXO All-in-One telephony system supports inter
UTA UNIVERSAL TELEPHONY ADAPTER VQT240 301-670-4784 实拍
【3-4周达】Networks: Internet · Telephony · Multimedia [9783642624537]
【3-4周达】Digital Telephony and Network Integration (Second Edition 1995) (Second Edition 1995) (Sec... [9780412098819]
【3-4周达】A Village Goes Mobile: Telephony, Mediation, and Social Change in Rural India [9780190630270]
【3-4周达】Management of Speech and Video Telephony Quality in Heterogeneous Wireless Networks (Softc... [9783319378756]
【3-4周达】Converged Communications – Evolution from Telephony to 5G Mobile Internet [9781119867500]
【3-4周达】Ims Multimedia Telephony Over Cellular Systems - Voip Evolution In A Converged Telecommuni... [9780470058558]
【3-4周达】Ip Telephony - Deploying Voip Protocols And Ims Infrastructure 2E [Wiley电子电气工程] [9780470665848]
【3-4周达】Mobile Video Telephony: For 3g Wireless Networks [9780071445689]
按需印刷不退不换Telephony Without Wires[9780548506820]
按需印刷不退不换Wireless Telegraphy And Telephony (1906)[9781437365504]
预订 Telephony: The Construction of Cable Plant: 9781018330228
【预售】VoIP Hacks: Tips & Tools for Internet Telephony
【3-4周达】Management of Speech and Video Telephony Quality in Heterogeneous Wireless Networks [9783319021010]
海外直订Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise 星号：面向企业的开源电话
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019011119
海外直订Enterprise Networks and Telephony: From Technology to Business Strategy 企业和电话：从技术到商业战略
海外直订Design and Cryptanalysis of Zuc: A Stream Cipher in Mobile Telephony 移动电话流密码Zuc的设计与密码分析
【3-4周达】Wi-Fi Telephony: Challenges and Solutions for Voice over WLANs [9780750679718]
海外直订Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 利用导线引导的电波的多路电话
海外直订Wireless Telephony, in Theory and Practice 无线电话理论与实践
海外直订Voip Hacks: Tips & Tools for Internet Telephony Voip黑客：互联网电话的技巧和工具
【3-4周达】Computer Telephony Encyclopedia [9781578200450]
【3-4周达】Pbx Systems for IP Telephony, Migrating Enterprise Communications [9780071375689]
【3-4周达】Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony [9780367574987]
预订 Secure Serial Port Communications and Telephony Dialing Systems [9786202055871]
【3-4周达】Voip And Unified Communications: Internet Telephony And The Future Voice Network [Wiley电... [9781118019214]
【3-4周达】Handbook of SDP for Multimedia Session Negotiations: SIP and WebRTC IP Telephony [9780367571757]
预订 Mobile Telephony Dangerous for both Adult and Children [9783659205422]
预订 IP Telephony Over IUG Network [9783844394634]
PEB3324HLV1.4《接口芯片TELEPHONY INTERFACE CIRCUIT》
【3-4周达】Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise [9781492031604]
【3-4周达】Telephony, the Internet, and the Media : Selected Papers From the 1997 Telecommunications ... [9780805831528]
【3-4周达】Enterprise Networks and Telephony : From Technology to Business Strategy [9781447115663]
【3-4周达】HD Telephony by Artificial Bandwidth Extension: Quality, Concepts and Complexity [9783958863507]
【3-4周达】Design and Cryptanalysis of ZUC : A Stream Cipher in Mobile Telephony [9789813348813]
预订 Building Telephony Systems with OpenSIPS - Second Edition [9781785280610]
预订 PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks [9783659178825]
预订 Building Enterprise Ready Telephony Systems with sipXecs 4.0 [9781847196804]
预订 Building Telephony Systems with OpenSER: A Step-by-Step Guide to Building a High-Performance Tel... [9781847193735]
