Voice over Internet protocol and wireless are the paramount technologies in the world of communication. Both of these technologies have proven their worth in today’s market individually, and the merger of these two technologies is now revolutionizing the world of communication. VoIP is simply a method for the delivery of voice communications sessions over internet protocol, and when this is blended with a WLAN (Wi-Fi) network, it be called as VoIP over WLAN or VoWLAN. It is becoming one of the most common and cheap technology to communicate in short as well as long distances. It transmits digitized voice data over IP network, this voice signal is appropriately encoded at one end of the channel, transmitted using IP packets, and then decoded at the receiving end which transformed back into a voice signal. VoWLAN can be conducted over any internet accessible device like a laptop, smartphones, PDA etc. Besides giving almost free calls ability to users, VoIP also provides all the rage applications such as online call logs, conference calling, voicemail, locate-me, call transfer and many others. VoWLAN not only provides generic internal calling for corporations with the ability to roam, but also enable users to use the WLAN’s internet connection to make domestic as well as international calls.

Nowadays VoWLAN is used at both consumer and enterprise level, and is expanding its usage across all domains. However, VoIP over WLAN still faces some Quality of Service (QoS) and security issues, which are anticipated to overcome in the near future owing to its myriad advantages. Hence, the Global market for VoIP systems over WLAN is expected to show a handsome growth over the forecast period.

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Voice over Internet Protocol (VoIP) over WLAN: Drivers and Constraints

The prime factor driving the market for VoIP over WLAN systems is the cost advantage which individual consumers as well as organization gets. The routing of calls over WLAN internally or externally, significantly reduces the communication cost, as one only have to bear the VoWLAN service charge which is far less than the cost of cellphone services. Similarly, the ability to make unlimited domestic and international calls also fuels the market for VoWLAN. The mobility edge and the ability to equip data and voice on the same network enable organizations to eliminate the need for running separate voice and data networks, henceforth saving cost and again driving the VoWLAN market. With more and more people becoming accustomed to Wi-Fi technology and the growing need for add on services like voice mails, call forwarding, conference calling, video calls etc.; the demand for VoWLAN is anticipated to rise.

However there are still many technological issues related to Quality of Service (QoS) when compared to conventional PSTN (public switched telephone network) systems, these include delay, jittering, packet loss, and echo problems.  Similarly, unwanted external interception are more likely in case of VoWLAN calls as compared to PSTN, raising serious security concerns. Moreover direct dependence on broadband connection and power availability is also a noticing issue. Many current WLAN networks are not efficient and safe for VoIP communications and need to be replaced with those specifically designed to work with voice traffic and address the QoS and security issues. These factors might restrain the growth in the market for VoWLAN systems and services.

However with advancement in technology these challenges are bound to be resolved, consequently ramping up the global VoWLAN market.

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Voice over Internet Protocol (VoIP) over WLAN: Segmentation

On the basis of user, the global market for Voice over Internet Protocol (VoIP) over WLAN market can be segmented into:

• Organizational

• Personal

On the basis of connection modes, the global market for Voice over Internet Protocol (VoIP) over market WLAN can be segmented into:

• PC to PC

• Telephony to Telephony

• PC to Telephony

On the basis of type, the global market for Voice over Internet Protocol (VoIP) over WLAN market can be segmented into:

• Real Time

• Voice Message/Mails

On the basis of devices integrated, the global market for Voice over Internet Protocol (VoIP) over WLAN market can be segmented into:

• Routers

• Wireless Modems

• Modules

• Smartphones/Tablets

• Laptop/PC

• Others

On the basis of Layer 2 (associated WLAN standards), the global market for Voice over Internet Protocol (VoIP) over WLAN market can be segmented into:

• 802.11n

• 802.11b

• 802.11g

• 802.11ac

• Others

Voice over Internet Protocol (VoIP) over WLAN: Regional Outlook

The global Voice over Internet Protocol (VoIP) over WLAN (VoWLAN) system and services market can be divided into seven regions, namely North America, Latin America, Western Europe, Eastern Europe, Asia Pacific excluding Japan (APEJ), Japan and Middle East and Africa (MEA). With deep internet penetration and high technology adoption rates North America and Europe regions will dominate the VoWLAN market in the forecast period. Next, the APEJ nations being one of the fastest growing market for Internet and related products, will also take up a significant share in the forecast period.

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Voice over Internet Protocol (VoIP) over WLAN: Key Players

Cisco Systems, Inc., Hewlett Packard Enterprise Company, Viber Media, Inc., InPhonex, Inc., Taqua LLC, Nextiva, Inc., Infonetics Research Inc., Viper Networks Inc., RingCentral, Inc., 8×8, Inc., T-Mobile, Sprint, AT&T Inc.,Huawei Technologies Co. Ltd, Verizon Wireless (Verizon Communications), Ericsson, Aptilo Networks,  Alcatel-Lucent S.A., LG Uplus Corporation, MetroPCS Communications Inc., KT Corporation and Mitel Networks Corporation