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现货 Ims Multimedia Telephony Over Cellular Systems 【中商原版】
海外直订Computer Telephony Encyclopedia 电脑电话百科全书
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Pbx Systems for IP Telephony, Migrating Enterprise Communications 用于IP电话、迁移企业通信的Pbx系统
深入理解Android Telephony原理剖析与 佳实践
海外直订Networks: Internet - Telephony - Multimedia :互联网-电话-多媒体
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Digital Telephony 数字电话
海外直订Wireless Telephony, in Theory and Practice 无线电话理论与实践
[预订]The Thermionic Valve and Its Developments in Radiotelegraphy and Telephony 9781015773448
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 Implementing Cisco IP Telephony and Video, Part 2 (CIPTV2) Foundation Learning Guide (CCNP Collabora 9781587144554
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
[预订]Telegraph And Telephone Age: Telegraphy-Telephony-Radio, (Jan. - Dec., 1917) 9781013585845
【预售】A Village Goes Mobile: Telephony, Me...
【预售】Enterprise Networks and Telephony: From Technology
【预售】Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019006122
【预售】Computer Telephony Encyclopedia
【预售】Building Enterprise Ready Telephony Systems with
【预售】Pbx Systems for IP Telephony, Migrating Enterprise
【预售】Wi-Fi Telephony: Challenges and Solutions for Voice
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
【预售 按需印刷】Wireless Telegraphy And Wireless Telephony
【预售】Mobile Video Telephony: For 3g Wirel...
【预订】Ip Telephony - Deploying Voip Protocols and Ims Infrastructure 2E
现货 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】VoIP Hacks: Tips & Tools for Internet Telephony
海外直订Digital Telephony and Network Integration 数字电话和集成
[预订]Multiplex Telephony and Telegraphy by Means of Electric Waves Guided by Wires 9781019011119
预售 按需印刷PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks
【预售】Wireless Telegraphy and Telephony: An
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
【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
【预售】Cisco Avvid and IP Telephony: Design
预订 Telephony, the Internet, and the Media
【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PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks 确保异构QoS的PSTN-IP电话网关
【预售 按需印刷】FreePBX 2.5 Powerful Telephony Solutions
海外直订The Principles of Electric Wave Telegraphy and Telephony 电波电报和电话原理“,
【预售】Freepbx 2.5 Powerful Telephony Solutions
【预订】Ims Multimedia Telephony Over Cellular Systems - Voip Evolution in a Converged Telecommunication World
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
【预售 按需印刷】Wireless Telegraphy And Telephony (1906)
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Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
海外直订IP Telephony Over IUG Network IUG上的IP电话
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
【预售】Wireless Telephony, in Theory and Practice
预订Wi-Fi Telephony:Challenges and Solutions for Voice over WLANs
【预售】Digital Telephony and Network Integrat
按需印刷FreePBX 2.5 Powerful Telephony Solutions[9781847194725]
【预售 按需印刷】IP Telephony Over IUG Network
【预订】Networks: Internet . Telephony . Mul...
【预订】Computer Telephony Integration, Second Edition
按需印刷PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks[9783659178825]
按需印刷Building Telephony Systems with OpenSIPS - Second Edition[9781785280610]
【预售】IP Telephony Interconnection Reference: Challenges
【预售】Digital Telephony Third Edition
按需印刷Mobile Telephony Dangerous for both Adult and Children[9783659205422]
【预售 按需印刷】Wireless Telephony
【4周达】FreePBX 2.5 Powerful Telephony Solutions [9781847194725]
预订Asterisk: The Definitive Guide:Open Source Telephony for the Enterprise
正版 Android Telephony原理解析与开发指南 搭建Android源代码编译调试环境 通话流程 Android系统工程师Android安卓定制开发书
【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】A Village Goes Mobile: Telephony, Mediation, and Social Change in Rural India [9780190630287]
预订IP Telephony:Deploying VoIP Protocols and IMS Infrastructure
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】Enterprise Networks and Telephony : From Technology to Business Strategy [9781447115663]
预订 Building Telephony Systems with OpenSIPS - Second Edition [9781785280610]
按需印刷IP Telephony Over IUG Network[9783844394634]
【4周达】Mobile Telephony Dangerous for both Adult and Children [9783659205422]
预订 Wireless Telegraphy and Telephony: An Outline for Electrical Engineers and Others [9781107629561]
【4周达】Asterisk: The Definitive Guide: Open Source Telephony for the Enterprise [9781492031604]
【4周达】PSTN-IP Telephony Gateway for Ensuring QoS in Heterogeneous Networks [9783659178825]
【4周达】Handbook of SDP for Multimedia Session Negotiations: SIP and WebRTC IP Telephony [9780367571757]
【4周达】Asterisk Cookbook: Solutions to Everyday Telephony Problems [9781449303822]
【4周达】'Glocalization' of Mobile Telephony in West and Central Africa: Consumer Appropriation and C... [9789956550395]
按需印刷Wireless Telegraphy And Telephony (1906)[9781437365504]
【4周达】IP Telephony Over IUG Network [9783844394634]
按需印刷Telephony Without Wires[9780548506820]
【4周达】Voip Hacks: Tips & Tools for Internet Telephony [9780596101336]
按需印刷Digital Telephony 3E[9780471345718]
【4周达】Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony [9780367574987]
【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]
【4周达】Computer Telephony Encyclopedia [9781578200450]
【4周达】Secure Serial Port Communications and Telephony Dialing Systems [9786202055871]
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]