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Hacking Exposed VoIP: Voice Over IP Security Secrets & Solutions Promo

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Sidestep VoIP Catastrophe the Foolproof Hacking Exposed Way

“This book illuminates how remote users can probe, sniff, and modify your phones, phone switches, and networks that offer VoIP services. Most importantly, the authors offer solutions to mitigate the risk of deploying VoIP technologies.” –Ron Gula, CTO of Tenable Network Security

Block debilitating VoIP attacks by learning how to look at your network and devices through the eyes of the malicious intruder. Hacking Exposed VoIP shows you, step-by-step, how online criminals perform reconnaissance, gain access, steal data, and penetrate vulnerable systems. All hardware-specific and network-centered security issues are covered alongside detailed countermeasures, in-depth examples, and hands-on implementation techniques. Inside, you’ll learn how to defend against the latest DoS, man-in-the-middle, call flooding, eavesdropping, VoIP fuzzing, signaling and audio manipulation, Voice SPAM/SPIT, and voice phishing attacks.

  • Find out how hackers footprint, scan, enumerate, and pilfer VoIP networks and hardware
  • Fortify Cisco, Avaya, and Asterisk systems
  • Prevent DNS poisoning, DHCP exhaustion, and ARP table manipulation
  • Thwart number harvesting, call pattern tracking, and conversation eavesdropping
  • Measure and maintain VoIP network quality of service and VoIP conversation quality
  • Stop DoS and packet flood-based attacks from disrupting SIP proxies and phones
  • Counter REGISTER hijacking, INVITE flooding, and BYE call teardown attacks
  • Avoid insertion/mixing of malicious audio
  • Learn about voice SPAM/SPIT and how to prevent it
  • Defend against voice phishing and identity theft scams

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HUACAM Lavalier Lapel Microphone Clip-on Omnidirectional Condenser Microphone for Computer Voip Skype Laptop Voice

See Special HUACAM Lavalier Lapel Microphone Clip-on Omnidirectional Condenser Microphone for Computer Voip Skype Laptop Voice Amplifier (Mono 3.5mm Jack Plug) Approved Review by NenoTel.com
Brand : HUACAM




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Some Key Feature of HUACAM Lavalier Lapel Microphone Clip-on Omnidirectional Condenser Microphone for Computer Voip Skype Laptop Voice Amplifier (Mono 3.5mm Jack Plug) :

  • Microphone for lavalier clip-on condenser microphone designed for voice or video use with iPhone 6/6s plus , Honor
  • Microphone, the sound quality is more clear and clear.Note: This clip microphone is not a voice amplifier but professional microphone for voice playback, such as voice recordings. Omnidirection – Effective omnidirectional microphone takes everything you say from any direction.
  • Suitable for interviews, television, video chat, network singing, an auditorium and classroom, motorists and wherever it may be necessary to record audio in broadcast quality.
  • Standard 1/8 “(3.5mm) mono TS plug compatible with recording devices, voice amplifiers, laptops, etc
  • Designed for use on stages, houses of worship, lecturers, lecturers, and other applications that require minimal visibility of the microphone in hands-free operation
  • HUACAM Lavalier Lapel Microphone Clip-on Omnidirectional Condenser Microphone for Computer Voip Skype Laptop Voice Amplifier (Mono 3.5mm Jack Plug) is so well produced. It will not only you that are going to be with this quality and also you are going to satisfy with the reasonable cost in case you compare with the other similar product which is on the internet. This product is made with the very best fabric that our product reviewer did agree and authorize to create this best item for our customer and you.

    Estimated Price : $8.99
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    Office Product

    Obihai Technology OBi212 Universal Voice Adapter with FXS Phone and FXO Gateway Ports Support for Google Voice and SIP

    Read our Wonderful Obihai Technology OBi212 Universal Voice Adapter with FXS Phone and FXO Gateway Ports Support for Google Voice and SIP Reliable Review by NenoTel.com
    Brand by : Obihai




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    Click here for: More thorough Information about Obihai Technology OBi212 Universal Voice Adapter with FXS Phone and FXO Gateway Ports Support for Google Voice and SIP.

    The OBi212 works with Google voice as well as any SIP service where the authentication credentials are known. The OBi212 is perfect for those who have a traditional telephone service (pots) and want the savings and simplicity of using a VoIP service for select calls. With its support for a phone port (fxs), the OBi212 provides an abundance of control and convenience from the comfort of a home phone to accept calls from the pots line or a VoIP service and make calls via any available the service — VoIP or pots. Since the OBi212 is equipped with a line port (fxo) you may Bridge pots service with VoIP services. Additionally, the OBi212 has a LAN port, which helps accommodate a variety of environments where an extra Ethernet port is needed. The OBi212 features quality of service (qos) to manage and prioritize upstream voice bandwidth over traffic originating from the LAN port.

    Some Key Feature of Obihai Technology OBi212 Universal Voice Adapter with FXS Phone and FXO Gateway Ports Support for Google Voice and SIP :

  • VoIP Analog Phone Adapter Supports 4 VoIP Accts (SIP or GV) for BYOD Services; Works with Google Voice, Anveo, Callcentric, Vitelity, VoIP.ms
  • Obi Calling features: Caller ID, call forward, anonymous Caller Blocking, message waiting indication, three way conference Calling
  • OBiTALK portal features: manage your obi, Connect to your friends’ obi devices, add services, speed dial up to 99 obi endpoints or Phone numbers
  • Built-in relay Connects the Phone port to the line (telco) port in the case of power outage
  • Works with USB Accessory Products from Obihai: OBiWiFi5G, OBiBT
  • Obihai Technology OBi212 Universal Voice Adapter with FXS Phone and FXO Gateway Ports Support for Google Voice and SIP is so exclusive. It will not only your friend that are going to be pleased with this best quality and also you are going to satisfy with the reasonable cost in case you compare with the other similar product which is on the internet. This product is contained with the very best material that our product reviewer did agree and authorize to create this best item for our customer and you.

    Estimated Price : $99.99
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    Tech Stuff

    Algo 8301 IP Voice Paging Adapter & Bell Scheduler Get

    My personal Authentic Algo 8301 IP Voice Paging Adapter & Bell Scheduler Discount Review by NenoTel.com
    Product of : ALGO




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    IP Paging Adapter for traditional analog amplifiers. The 8301 is a PoE IP Paging Adapter for integrating existing and traditional paging solutions into a VoIP environment, whether premise or hosted. Features include G.722 wideband support with isolated and balanced line output for optimum clarity and intelligibility without hum or noise. To the network side, the 8301 is a SIP endpoint for easy integration with an IP telephone system and easily configured using the intuitive web interface or provisioning capabilities. On the paging side, the 8301 provides balanced audio output using both an XLR connector and included terminal blocks for easy connection to an amplifier, along with a dry contact closure if required by the amplifier. Further speech enhancement is provided by automatic level control, choice of frequency masks, and optional speech compression. Output level is compatible with consumer, commercial, and pro-audio amplifiers requiring either -10 dBm, 0 dBm, or +4 dBu line level. An audio input (also balanced and isolated to prevent equipment ground loops) can be used for auxiliary input or insertion of the 8301 between existing equipment. This allows IP based paging or emergency notification to take control of the amplifier as necessary. Multicast capability allows scalability for multiple amplifiers as well as integration with Algo IP speakers and/or strobes in zoned and large scale applications (e.g. 8128, 8180, 8186, 8188, 8301, 8373). SIP compatibility with all leading UC vendors including Avaya, Broadsoft, Cisco, Digium/Asterisk, Mitel, Metaswitch, NEC, Polycom, and most others. A basic understanding of computer networking and Voice over IP experience is required to install this product.

    Some Key Feature of Algo 8301 IP Voice Paging Adapter & Bell Scheduler :

  • Easy and intuitive web interface to configure scheduled announcements, tones, bells, music, etc.
  • Superb audio clarity and intelligibility – no hum or noise
  • Network managed and supervised SIP and multicast endpoint; supports PoE
  • Eliminates narrowband FXS port or ATA ~ Multicasting capability to include Algo IP speakers and strobes
  • Synchronization of scheduler and IP clocks using NTP server
  • Algo 8301 IP Voice Paging Adapter & Bell Scheduler is so exclusive. It would not only you that are going to be satisfied with this good quality and also you are going to satisfy with the average cost in case you compare with the other similar item which is on the internet. This item is created with the very best material that our quality control staff did agree and authorize to create this best item for our buyer and you.

    Estimated Price : $349.00
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    Packet Guide to Voice over IP: A system administrator’s guide to VoIP technologies Big

    See Terrific Packet Guide to Voice over IP: A system administrator’s guide to VoIP technologies Remarkable Review by NenoTel.com
    Brand : Brand: O’Reilly Media




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    Go under the hood of an operating Voice over IP network, and build your knowledge of the protocols and architectures used by this Internet telephony technology. With this concise guide, you’ll learn about services involved in VoIP and get a first-hand view of network data packets from the time the phones boot through calls and subsequent connection teardown.

    With packet captures available on the companion website, this book is ideal whether you’re an instructor, student, or professional looking to boost your skill set. Each chapter includes a set of review questions, as well as practical, hands-on lab exercises.

    • Learn the requirements for deploying packetized voice and video
    • Understand traditional telephony concepts, including local loop, tip and ring, and T carriers
    • Explore the Session Initiation Protocol (SIP), VoIP’s primary signaling protocol
    • Learn the operations and fields for VoIP’s standardized RTP and RTCP transport protocols
    • Delve into voice and video codecs for converting analog data to digital format for transmission
    • Get familiar with Communications Systems H.323, SIP’s widely used predecessor
    • Examine the Skinny Client Control Protocol used in Cisco VoIP phones in networks around the world

    Some Key Feature of Packet Guide to Voice over IP: A system administrator’s guide to VoIP technologies :

    Packet Guide to Voice over IP: A system administrator’s guide to VoIP technologies is so exclusive. It is not only you that are going to be pleased with this good quality and also you are going to satisfy with the cheap price in case you compare with the other similar item which is on the online shop. This item is crafted with the very best material that our staff did agree and authorize to create this best item for our customer and you.

    Estimated Price : $16.99
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    EBooks

    VoIP and Unified Communications: Internet Telephony and the Future Voice Network Big

    See Wonderful VoIP and Unified Communications: Internet Telephony and the Future Voice Network Attractive Review by NenoTel.com
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    Translates technical jargon into practical business communications solutions

    This book takes readers from traditional voice, fax, video, and data services delivered via separate platforms to a single, unified platform delivering all of these services seamlessly via the Internet. With its clear, jargon-free explanations, the author enables all readers to better understand and assess the growing number of voice over Internet protocol (VoIP) and unified communications (UC) products and services that are available for businesses.

    VoIP and Unified Communications is based on the author’s careful review and synthesis of more than 7,000 pages of published standards as well as a broad range of datasheets, websites, white papers, and webinars. It begins with an introduction to IP technology and then covers such topics as:

    • Packet transmission and switching

    • VoIP signaling and call processing

    • How VoIP and UC are defining the future

    • Interconnections with global services

    • Network management for VoIP and UC

    This book features a complete chapter dedicated to cost analyses and payback calculations, enabling readers to accurately determine the short- and long-term financial impact of migrating to various VoIP and UC products and services. There’s also a chapter detailing major IP systems hardware and software. Throughout the book, diagrams illustrate how various VoIP and UC components and systems work. In addition, the author highlights potential problems and threats to UC services, steering readers away from common pitfalls.

    Concise and to the point, this text enables readers—from novices to experienced engineers and technical managers—to understand how VoIP and UC really work so that everyone can confidently deal with network engineers, data center gurus, and top management.

    Some Key Feature of VoIP and Unified Communications: Internet Telephony and the Future Voice Network :

    VoIP and Unified Communications: Internet Telephony and the Future Voice Network is so exclusive. It will not only you that are going to be pleased with this well made quality and also you are going to satisfy with the reasonable cost in case you compare with the other similar product which is on the online shop. This product is made with the very best material that our QC did agree and authorize to create this best item for our customer and you.

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    Tech Stuff

    Obihai OBi1022 IP Phone with Power Supply – Up to 10 Lines – Support for Google Voice and SIP-Based Services On

    Read my Genuine Obihai OBi1022 IP Phone with Power Supply – Up to 10 Lines – Support for Google Voice and SIP-Based Services Approved Review by NenoTel.com
    Brand : Obihai




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    Click here for: More thorough Information about Obihai OBi1022 IP Phone with Power Supply – Up to 10 Lines – Support for Google Voice and SIP-Based Services.

    The OBi1022 is a business-class color IP phone with support for up to 10 lines and up to six (6) SIP, Google Voice VoIP accounts and one OBiTALK VoIP service. Use OBi Wi-Fi to connect the OBi1022 to your wireless access point. Use OBiBT to connect a Bluetooth headset or configure a line key that’s paired to your mobile phone. OBiLINE not supported. Features: Multi-Line / Multiple Calls Bridged Line Appearances Busy Lamp Field (BLF) – Regular, Pick-up, Speed Dial On-Hook Dialing Caller ID – Name, Number, Photo Call Waiting, Call Queued Distinctive Ringtones Based on Who is Calling Auto Answer Intercom Call, Page Call Page Groups (2) Call Hold Music on Hold Call Swap Call Park and Call Un-park Call Pick-Up – Selective and Group Message Waiting Indication – Visual, Tone Based Speed Dialing by of 99 OBi Endpoints, Buddies or Numbers (E.164 or URI) Call Logs – Dialing from Logs Personal Phone Book – Entries with Multiple Numbers, Photo, Grouping Hot Line, Warm Line Calling 4-Way Conference Calling w Local Mixing Call Forward Unconditional Call Forward Busy Call Forward No Answer Call Transfer – Blind, Attended Anonymous Call Block Anonymous Call Do Not Disturb – Do Not Ring Call Return – Call Back on Busy Repeat Dialing Immediate Divert Multiple Ringtones – Upload Custom Ringtones Screen Saver – Upload Screen Saver with Slideshow Secure Encrypted Voice Communication Independent Mic and Speaker Vol Adjustment: Speaker, Handset, 3.5mm Headset

    Some Key Feature of Obihai OBi1022 IP Phone with Power Supply – Up to 10 Lines – Support for Google Voice and SIP-Based Services :

  • High-Definition ‘HD’ Voice Technology for Crystal-Clear Call Clarity – Service Dependent
  • OBiTALK Cloud Management and Service Configuration
  • Large Vivid Color Display – User Configured Themes and Multi-Dimensional Navigation
  • Full-Duplex Speakerphone with Built-In Class D Amplifier and Audio Equalizer
  • Dual Ethernet Ports with Power over Ethernet (PoE) Support – External 12v Power Supply Included
  • Obihai OBi1022 IP Phone with Power Supply – Up to 10 Lines – Support for Google Voice and SIP-Based Services is so exclusive. It will not only your friend that are going to be pleased with this well made quality and also you are going to satisfy with the average cost in case you compare with the other similar product which is on the internet. This product is made with the very best fabric that our staff did agree and authorize to create this best item for our customer and you.

    Estimated Price : $199.99
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    Other

    Obi 100 and 110 fix for Google Voice Get

    Tips on Exclusive Obi 100 and 110 fix for Google Voice Attractive Review by NenoTel.com
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    Some Key Feature of Obi 100 and 110 fix for Google Voice :

    Obi 100 and 110 fix for Google Voice is so well produced. It would not only your friend that are going to be satisfied with this best quality and also you are going to satisfy with the reasonable cost in case you compare with the other similar item which is on the online shop. This item is made with the very best material that our quality control staff did agree and authorize to create this best item for our buyer and you.

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    Tech Stuff

    OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service Big

    Tips on Valuable OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service Recommended Deals Review by NenoTel.com
    Product of : Obihai




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    Click here for: More Information about OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service.

    The OBi202 works with Google Voice. It is perfect for customers who do not have a traditional telco phone service and want the savings and simplicity of using a VoIP service for all their calls.
    With its support for 2 independently configurable phone ports, support for many VoIP providers, the OBi202 provides you with an abundance of control and convenience from the comfort of your home phone(s). The OBi202 is equipped with a 2-port router/bridge with support for integrated quality of service (QoS). The OBi202 may be installed in a variety of environments where an extra Ethernet port is needed to connect a computer/network behind the OBi202 and/or locations where upstream voice traffic needs to be prioritized above other types of traffic like web surfing and uploading pictures and movies.

    So Many Features!
    – Works with Up to Four (4) VoIP Services
    – Collaborative features which allow its phone ports to work together as a mini-phone system.
    – T.38 Real Time Fax over IP
    – High Quality Voice over IP Technology
    – Built-In Router with QoS for VoIP Traffic Prioritization
    – USB Port for Use with OBiWiFi Wireless Adapter or Storage Device
    – OBiTALK Web Portal: The OBiTALK Web Portal allows you to manage your OBi endpoints and your Circle of Trust.
    The OBiTALK portal helps OBi users configure, add services and manage their OBi devices with ease.
    – OBiON: iPhone and Android App Integration
    – Call Forwarding on All Calls, Busy Calls, Forward on No Answer
    – Caller ID – Name & Number
    – Call Waiting
    – Call Transfer
    – Block by Caller ID
    – Automatic Call Back
    – Do Not Disturb
    – Conference Calling
    – Anonymous Calling
    – Message Waiting Indication – Visual and Tone Based

    Some Key Feature of OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service :

  • Works with Google Voice
  • Easy to Set-Up Using OBiTALK.com
  • Also Supports T.38 Fax and SIP Bring Your Own Device Services like Anveo Callcentric, Voip.ms, etc.
  • Works with Up to Four (4) VoIP Services Across Two (2) Phone Ports
  • 1x USB for Obihai Accessories OBiWiFi and OBiBT,Receive calls to your Google Voice number then use the OBi device to bridge to your iPhone, iPad, iPod touch and Android devices using Wi-Fi, 3G or 4G (without using your cell minutes).
  • OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service is so well made. It will not only you that are going to be satisfied with this good quality and also you are going to satisfy with the average cost in case you compare with the other similar product which is on the internet. This product is crafted with the very best material that our QC did agree and authorize to create this best item for our buyer and you.

    Estimated Price : $57.95
    Above price was taken on 2019-02-11
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