Siemens’ OpenScape

SIPExchange (PingTel)

+ SIP aware firewall

SonicWall

+SIP aware firewall

+built in VPN tunnelling functionality (multiple tunnels)

+can receive SIP INVITES and forward them to the appropriate internal VoIP devices

+easy to configure

SNOM 4S, proxy, media server, Nat traversal filter

+Proxy, media server and NAT traversal available - needs to be run on a / some windows / linux PCs

+Standalone version available

Tangerine Inc SIP / H.323 application server

Teleware

+ ACD functionality

Session Border controllers

For larger installations and ISP installations there are devices that sit in the Internet called session border controllers which (amongst other things) resolve NAT traversal issues. These are typically high capacity and expensive. They are manufactured by, for example, Jasomi, Kagoor, and Nextone.

Also Sansay

Other Devices

Expand Networks have the Expand IP Accelerator which allows IP data from many applications to be compressed across a point to point link, allowing more bandwidth for VoIP data. They can also provide QoS marking of data to prioritise various types of information.

Bandwidth management routers allow bandwidth to be reserved for VoIP.

Version 2.1

16 March 2006

Page 31 of 33

Vega Gateway Scenarios.

©2005-2006 VegaStream Ltd.

 

Examples are given in best faith – ensure that you check the capabilities of systems before

 

 

deploying them, especially the functionality of devices not designed and delivered by VegaStream.

 

VoIPon Solutions www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0) 1245 600560

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Image 31
Polycom Vega Gateway Siemens’ OpenScape SIPExchange PingTel, SonicWall, Snom 4S, proxy, media server, Nat traversal filter

Vega Gateway specifications

Polycom Vega Gateway serves as a crucial component in modern telecommunications, bridging the gap between traditional telephony systems and Voice over IP (VoIP) networks. As organizations transition to digital communication solutions, the Vega Gateway plays a vital role in ensuring compatibility and enhancing connectivity.

One of the primary features of the Polycom Vega Gateway is its ability to facilitate seamless interoperability between different communication protocols. It supports a range of signaling protocols, including SIP (Session Initiation Protocol), H.323, and analog interfaces, making it easy to connect legacy phone systems to modern VoIP setups. This flexibility allows businesses to gradually upgrade their telecommunications infrastructure without the need for costly complete system overhauls.

The Vega Gateway is equipped with advanced transcoding capabilities, which enable the conversion of audio streams between various formats. This is especially beneficial in multi-vendor environments where different systems may use incompatible codecs. Its ability to transcode ensures high-quality voice communication regardless of the underlying technology, thus maintaining clarity and reducing latency.

In terms of deployment, the Polycom Vega Gateway can be implemented as both a hardware appliance and a virtualized solution, providing businesses with deployment flexibility based on their IT environment. This adaptability is crucial for organizations looking to optimize their resources and scale their telephony solutions as needed.

Security is another key characteristic of the Vega Gateway. It incorporates robust encryption protocols, such as SRTP (Secure Real-time Transport Protocol), to safeguard voice communications against potential threats. Additionally, the gateway features firewall traversal capabilities, making it suitable for deployment in various network environments without compromising on security.

The gateway is also designed with ease of management in mind. Administrators can configure and monitor the device through a web-based interface or command line, ensuring that managing the system remains straightforward even for complex setups. Logging and reporting functionalities further enhance administrative oversight, allowing organizations to analyze their VoIP usage and optimize resource allocation.

Overall, the Polycom Vega Gateway is a comprehensive solution that addresses the complexities of integrating modern VoIP technology with legacy systems. With its robust feature set, diverse technological support, and commitment to security and manageability, the Vega Gateway stands out as an essential tool for organizations looking to enhance their communication strategies in an ever-evolving digital landscape.