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【预售】Enterprise Networks and Telephony: From Technology
【预售】Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise
【预订】Ip Telephony - Deploying Voip Protocols and Ims Infrastructure 2E
[预订]The Thermionic Valve and Its Developments in Radiotelegraphy and Telephony 9781015773448
【预售】Freepbx 2.5 Powerful Telephony Solutions
【预售】Mobile Video Telephony: For 3g Wirel...
【预售】A Village Goes Mobile: Telephony, Me...
【预售】Cisco Avvid and IP Telephony: Design
预订 Telephony, the Internet, and the Media
【预售】Computer Telephony Encyclopedia
【预订】Ims Multimedia Telephony Over Cellular Systems - Voip Evolution in a Converged Telecommunication World
【预售】Wireless Telephony, in Theory and Practice
【预售】Building Enterprise Ready Telephony Systems with
[预订]Telegraph And Telephone Age: Telegraphy-Telephony-Radio, (Jan. - Dec., 1917) 9781013585845
【预售】Pbx Systems for IP Telephony, Migrating Enterprise
【预订】Computer Telephony Integration, Second Edition
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019006122
【预售】Wi-Fi Telephony: Challenges and Solutions for Voice
【预订】Networks: Internet . Telephony . Mul...
【预售】Digital Telephony and Network Integrat
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
【预售】Digital Telephony Third Edition
深度解析Android手机定制开发中的重点Telephony通信模块，知识框架完整、条理清晰、理论与实践相结合。
【预售】IP Telephony Interconnection Reference: Challenges
【预售】VoIP Hacks: Tips & Tools for Internet Telephony
【预售】Wireless Telegraphy and Telephony: An
Android Telephony原理解析与开发指南
【预售 按需印刷】FreePBX 2.5 Powerful Telephony Solutions
【预售 按需印刷】IP Telephony Over IUG Network
【预售 按需印刷】Building Telephony Systems with Opensips 1.6
【预售 按需印刷】Building Enterprise Ready Telephony Systems with sipXecs 4.0
预订 按需印刷 Telephony the Internet and the Media
预售 按需印刷PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks
【预售 按需印刷】Wireless Telegraphy And Telephony (1906)
【预售 按需印刷】Wireless Telephony
【预售 按需印刷】Wireless Telegraphy And Wireless Telephony
【预售 按需印刷】Building Telephony Systems with OpenSIPS - Second Edition
【预售 按需印刷】Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony etc. etc.
海外直订Wireless Telephony, in Theory and Practice 无线电话理论与实践
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]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019011119
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
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
现货 Ims Multimedia Telephony Over Cellular Systems 【中商原版】
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
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
海外直订Computer Telephony Encyclopedia 电脑电话百科全书
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
预订Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
按需印刷FreePBX 2.5 Powerful Telephony Solutions[9781847194725]
海外直订Digital Telephony and Network Integration 数字电话和集成
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
海外直订Asterisk Cookbook: Solutions to Everyday Telephony Problems 星号食谱：解决日常电话问题
海外直订The Principles of Electric Wave Telegraphy and Telephony 电波电报和电话原理“，
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
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
海外直订Networks: Internet - Telephony - Multimedia ：互联网-电话-多媒体
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
按需印刷Building Telephony Systems with OpenSIPS - Second Edition[9781785280610]
海外直订Digital Telephony 数字电话
预订Asterisk: The Definitive Guide:Open Source Telephony for the Enterprise
【4周达】A Village Goes Mobile: Telephony, Mediation, and Social Change in Rural India [9780190630287]
【4周达】A Village Goes Mobile: Telephony, Mediation, and Social Change in Rural India [9780190630270]
Ip Telephony - Deploying Voip Protocols And Ims Infrastructure 2E [Wiley电子电气工程] [9780470665848]
【4周达】Computer Telephony Encyclopedia [9781138412286]
【4周达】Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony [9781498747707]
【4周达】Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise [9781492031604]
【4周达】Handbook of SDP for Multimedia Session Negotiations : SIP and WebRTC IP Telephony [9781138484498]
【4周达】Voip Hacks: Tips & Tools for Internet Telephony [9780596101336]
【4周达】IP Telephony Interconnection Reference: Challenges, Models, and Engineering [9781439851784]
【4周达】Cisco Avvid and IP Telephony Design and Implementation [9781928994831]
【4周达】Computer Telephony Encyclopedia [9781578200450]
预订 Building Enterprise Ready Telephony Systems with sipXecs 4.0 [9781847196804]
【4周达】Management of Speech and Video Telephony Quality in Heterogeneous Wireless Networks [9783319378756]
【4周达】Mobile Telephony Dangerous for both Adult and Children [9783659205422]
【4周达】Networks: Internet - Telephony - Multimedia [9783642624537]
【4周达】FreePBX 2.5 Powerful Telephony Solutions [9781847194725]
【4周达】'Glocalization' of Mobile Telephony in West and Central Africa: Consumer Appropriation and C... [9789956550395]
【4周达】Secure Serial Port Communications and Telephony Dialing Systems [9786202055871]
【4周达】IP Telephony Over IUG Network [9783844394634]
【4周达】Wi-Fi Telephony: Challenges and Solutions for Voice over WLANs [9780750679718]
【4周达】Mobile Video Telephony: For 3g Wireless Networks [9780071445689]
【4周达】Telephony, the Internet, and the Media : Selected Papers From the 1997 Telecommunications Po... [9780805831528]
【4周达】Digital Telephony and Network Integration [9780412098819]
【4周达】Telephony, the Internet, and the Media: Selected Papers From the 1997 Telecommunications Pol... [9780805831511]
【4周达】Handbook of Sdp for Multimedia Session Negotiations: Sip and WebRTC IP Telephony [9780367571757]
【4周达】Management of Speech and Video Telephony Quality in Heterogeneous Wireless Networks [9783319021010]
预订 Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony [9780367574987]
【4周达】Building Telephony Systems with OpenSIPS - Second Edition [9781785280610]
【4周达】Digital Telephony Third Edition [Wiley电子电气工程] [9780471345718]
【4周达】Converged Communications - Evolution from Telephony to 5G Mobile Internet [9781119867500]
【4周达】Enterprise Networks and Telephony : From Technology to Business Strategy [9781447115663]
