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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]The Thermionic Valve and Its Developments in Radiotelegraphy and Telephony 9781015773448
【预售】Freepbx 2.5 Powerful Telephony Solutions
[预订]Telegraph And Telephone Age: Telegraphy-Telephony-Radio, (Jan. - Dec., 1917) 9781013585845
【预售】A Village Goes Mobile: Telephony, Me...
【预售】Cisco Avvid and IP Telephony: Design
【预售】Digital Telephony Third Edition
【预售】Wi-Fi Telephony: Challenges and Solutions for Voice
预订 Telephony, the Internet, and the Media
【预售】Wireless Telephony, in Theory and Practice
【预售】Building Enterprise Ready Telephony Systems with
【预订】Ip Telephony - Deploying Voip Protocols and Ims Infrastructure 2E
【预售】Mobile Video Telephony: For 3g Wirel...
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019006122
【预售】Computer Telephony Encyclopedia
【预售】VoIP Hacks: Tips & Tools for Internet Telephony
【预售】Pbx Systems for IP Telephony, Migrating Enterprise
【预订】Ims Multimedia Telephony Over Cellular Systems - Voip Evolution in a Converged Telecommunication World
【预售】Wireless Telegraphy and Telephony: An
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019011119
【预订】Computer Telephony Integration, Second Edition
【预订】Networks: Internet . Telephony . Mul...
【预售】Digital Telephony and Network Integrat
【预售】IP Telephony Interconnection Reference: Challenges
【预售 按需印刷】FreePBX 2.5 Powerful Telephony Solutions
【预售 按需印刷】Building Telephony Systems with Opensips 1.6
【预售 按需印刷】IP Telephony Over IUG Network
【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 Telegraphy And Wireless Telephony
【预售 按需印刷】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
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】
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
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]
【正版书】深入理解Android Telephony原理剖析与 佳实践 杨青平
海外直订Digital Telephony 数字电话
【4周达】Wireless Telegraphy and Telephony: An Outline for Electrical Engineers and Others [9781107629561]
预订Asterisk: The Definitive Guide:Open Source Telephony for the Enterprise
【全新正版】 ndroid Telephony原理解析与开发指南 计算机/网络/程序设计（新） 9787115489159
【4周达】FreePBX 2.5 Powerful Telephony Solutions [9781847194725]
【4周达】A Village Goes Mobile: Telephony, Mediation, and Social Change in Rural India [9780190630287]
【4周达】'Glocalization' of Mobile Telephony in West and Central Africa: Consumer Appropriation and C... [9789956550395]
【4周达】Design and Cryptanalysis of ZUC : A Stream Cipher in Mobile Telephony [9789813348813]
【4周达】Microsoft Lync 2013 Unified Communications: From Telephony to Real-Time Communication in the... [9781849685061]
【4周达】Enterprise Networks and Telephony : From Technology to Business Strategy [9781447115663]
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]
【4周达】Building Telephony Systems with OpenSIPS - Second Edition [9781785280610]
【4周达】Mobile Telephony Dangerous for both Adult and Children [9783659205422]
【4周达】PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks [9783659178825]
【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 [9780367571757]
按需印刷Wireless Telegraphy And Telephony (1906)[9781437365504]
按需印刷Telephony Without Wires[9780548506820]
【4周达】Asterisk Cookbook: Solutions to Everyday Telephony Problems [9781449303822]
预订 Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony [9780367574987]
【4周达】Voip Hacks: Tips & Tools for Internet Telephony [9780596101336]
全新正版Android Telephony原理解析与开发指南杨青平9787115489159人民邮电出版社2018-09-01
【4周达】Computer Telephony Encyclopedia [9781578200450]
【4周达】Telephony, the Internet, and the Media : Selected Papers From the 1997 Telecommunications Po... [9780805831528]
【4周达】Voip And Unified Communications: Internet Telephony And The Future Voice Network [Wiley电子... [9781118019214]
【4周达】Pbx Systems for IP Telephony, Migrating Enterprise Communications [9780071375689]
Ip Telephony - Deploying Voip Protocols And Ims Infrastructure 2E [Wiley电子电气工程] [9780470665848]
【4周达】Wi-Fi Telephony: Challenges and Solutions for Voice over WLANs [9780750679718]
【4周达】Cisco Avvid and IP Telephony Design and Implementation [9781928994831]
【4周达】Management of Speech and Video Telephony Quality in Heterogeneous Wireless Networks [9783319378756]
【4周达】Management of Speech and Video Telephony Quality in Heterogeneous Wireless Networks [9783319021010]
