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IPv6’s Top Three Advantages in VoIP Applications

It is common knowledge that Voice over Internet Protocol (VoIP) delivers audio via internet transmission with simplicity, flexibility and diversity in application and services, eliminating limitations from telephone cords, distance and space.


Unfortunately, the IPv4 address depletion inevitably causes address translation issues in VoIP applications, including Network Address Translation (NAT) or Session Traversal Utilities for NAT (STUN).


IPv6, the successor technology to IPv4 which was designed to address this problem completely resolves these issues, making VoIP application easier and simpler for each server/terminal has an accessible public address without address translating via NAT and NAT traversing via STUN.


Moreover, IPv6 resolves other seemingly insurmountable obstacles for IPv4, including end-to-end security, mobile communications and Quality of Service (QoS). For VoIP applications, IPv6 enjoys the following advantages.


Better audio quality

Besides faster transmission of VoIP audio data packets with real-time accuracy, growing bandwidths and QoS of nodes also help deliver better VoIP quality on the IPv6 network.


More secure audio

IPv6 supports IPSec, greatly enhancing VoIP security with encrypted data at the network layer. According to the director of the Science and Technology Committee of China Telecom,

 “The basic solution to end-to-end network security is built on the introduction of the IPSec to IPv6, as well as the work tracing resolved by the permanent IP addressing.”


Greater simplicity and flexibility in terminal access

Benefiting from a massive number of IPv6 addresses, each SIP device has a unique IPv6 address to communicate with any random host on a global scale.

This means that plug-and-play IP telephones work on any network and that remote mobility connection to VoIP servers is possible wherever in any time.


As IPv6 becomes increasingly popular, VoIP applications are no longer limited by IPv4 with emerging development opportunities.

In this regard, New Rock HX4G/MX8G IP audio gateways take the lead in providing full compatibility to IPv6 in many aspects, including access to carrier’s IMS, SIP basic calling, TLS encryption and TR069 remote management. You are free to choose IPv4 or IPv6 connection based on network conditions.

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