Polycom Vega Gateway appendix Vega FXS for analog telephones

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•Hook-flash (also known as recall) can be generated by Vega 50 FXO (not SPA-2000) in order to request the attached FXS to switch to command mode (e.g. to initiate a call transfer on a PBX extension port)

•To clear a call the FXO goes ‘on-hook’ – actually it breaks the circuit that was made when the device went ‘off-hook’

The key thing to note is: FXS devices can receive dialled number information but cannot provide it and FXO devices can generate dialled number information but cannot receive it.

Analog applications:

9.a Vega FXS for analog telephones

Analog telephones can be connected directly into the Vega FXS ports. This allows existing or new (and often cheap) analog telephones to be connected into a VoIP system. This can be especially useful where Cat 5 cabling already runs analog phones to peoples’ desks; the Vega can replace the PBX in the telecoms cabinet, the Cat 5 telephone extensions terminate on the Vega FXS rather than on the old PBX.

A major benefit to users is that they see no change to their working environment and equipment. Also in industrial environments, ruggedised analog phones or cheap disposable phones are much more appropriate user devices than the more expensive, non-ruggedised IP phones.

Vega 50 FXS (SIP) can initiate call transfer (blind and consultative), put a call on hold, and can toggle between a caller on hold and a second called party through use of hookflash and DTMF keys on the attached telephones.

Considerations

•Message waiting indicator lamp operation is not supported – message waiting indication using stuttered dial tone can be used.

•Caller ID is only supplied in sdmf or mdmf formats on the Vega 50 FXS (our range of home gateways support more formats).

Version 2.1

16 March 2006

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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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Contents Analog Applications Pre-sales Engineer’s guideVoIP between sites USPs Telephony NetworkIP Network User experience3rd party product choices Future extensionsVoIP between sites and home-worker / remote office Telephony Network USPs Version March Vega Gateway Scenarios Telephony Network USPs SNOM, Mitel MKC, IVR technologies, NetSapiens Analog long line extensions IP Network IP Telephony IP Network Aim To use internet to provide cheap inter-country calling Pstn toll bypassIVR technologies Tangerine Inc TDM to / from VoIP converter Future extensions 3rd party product choices Aim To save leased line call costs between sites Leased line eliminator for Qsig connections between sitesUser experience Analog connections Vega FXS for analog telephones Considerations FXO connection to a PBX FXS connection to a PBX ConsiderationsCalls FXO to FXS PBX to PBX connectivity using both FXS and FXOCalls FXS to FXO PBX to PBX connectivity using FXO only PBX to PBX connectivity using FXS onlyAnalog long line extensions Mass analog connection using a Vega 400 and a channel bankAxiom provisioning system Broadsoft Alceo ArelNet Softswitch Asterisk SIP proxyAppendix 1 3rd Party Products Alcatel Thomson SpeedTouch 610 routerPBXnSIP GenesysGNU H.323 GateKeeper Ingate SIParator Interactive IntelligenceTangerine Inc SIP / H.323 application server Teleware Siemens’ OpenScape SIPExchange PingTelSonicWall Snom 4S, proxy, media server, Nat traversal filterITSPs and VoIP services Existing firewalls Appendix 2 Things to consider Audio quality

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.
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