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SARK

SARK PBX phone systems


View comparison table of SARK models

Known compatible service providers

Gradwell Voipfone Entanet Gamma Telecom VoIPTalk VoIP unlimited Spitfire AQL Voicehost

Key features

Add ons

SARK - PBX overview

The SARK PBX software is an advanced telephone system for the SME market segment. Unlike other Asterisk based systems SARK has been developed first and foremost from a telephony perspective by our developer Jeff Stokoe who is ex BT and AT&T. Jeff's approach right from the outset was to develop a telephone system that could compete effectively with the traditional PBX manufacturers like Avaya and Mitel. SARK has also been developed to be completely open and extensible, thereby enabling our resellers to develop and adapt the system to whatever features and requirements customers may come up with. And should any bespoke requirements arise, all developments are handled in-house enabling our team to provide quick answers and short lead times for any developments.


With over 2000 users world-wide, the SARK PBX product has established a reputation for being extremely reliable, highly functional and particularly well equipped for remote support.

The range of SARK PBX systems are available in a range of appliances.

The software is also available in two versions: SAIL and SARK.

Case studies (PDFs)

SARK Product manuals


PBXExtensionsNumber of concurrent callsPSTN interface optionsSIP/IAX trunksVoicemailIVRCall queuesRing groupsConference bridgeCall centre edition optionHA (High Availbility)Advance call recording
SARK 1200100 - 25030 - 120 calls1 to 4 ISDN30EUnlimitedPer Extn (no port limits)Multi LevelUnlimitedUnlimitedUnlimited
ProVu Communications Ltd
Savile Mill, Savile Street,
Huddersfield,
HD3 4PG