Latest version:

2.3.5 Patch 1
Released on:

Apr 21 2015

Prior to installation, please read the Quick Start Guide.

System Requirements

Minimum Hardware

Intel Celeron 1 GHz or equivalent
512 MB RAM
8 GB hard drive
Ethernet card

Recommended Hardware

Intel Core Duo 2 GHz or equivalent
2 GB of memory
16+ GB hard drive
Ethernet card

Virtual Appliance

Intel Core Duo 1,5 GHz or equivalent
512 MB RAM assigned to the virtual machine
8 GB HDD space assigned for OS, product, configuration, and logs
1 assigned virtual network adapter

VMWare Hypervisor

VMware Workstation 9 or 10
VMware Player/Player Plus 5 or 6
VMware ESX 5.1 or 5.5
VMware ESXi 5.1 or 5.5

Supported Phone Cards*

Digital (1-port T1/E1): Digium TE121, Digium TE122, Digium TE131, Digium TE 132, Digium TE133, Digium TE 134
Digital EuroISDN: Digium B410P (4-port)
Analog: Digium TDM410 (4-port analog FXO), Digium A4 Series (4 port analog FXO)

* Digium hardware cards are available through Digium reseller network. For Kerio Operator Box 3xxx, some Digium cards can be ordered as an integrated option at the time of purchase only.

Multi-language Support

Administration Interface

English, Czech, German, French, Italian, Russian

MyPhone Interface

English, Czech, German, Spanish, French, Italian, Russian, Croatian, Hungarian, Japanese, Dutch, Polish, Brazilian Portuguese, Swedish, Chinese

Preloaded Voice-prompt Sets

American English, British English, Czech, German


7940, 7941, 7960, 7961, 7940G, 7942G, 7960G, 7970

Cisco / Linksys

PAP2T, SPA1001, SPA112, SPA122, SPA901, SPA921, SPA922, SPA941, SPA942, SPA962, SPA301-G2, SPA303-G2, SPA501G, SPA502G, SPA504G, SPA508G, SPA509G, SPA512G, SPA514G, SPA525G, SPA525G2, SPA3102, SPA8000


300, 320, 360, 370, 710, 715, 720, 760, 820, 821, 870, M3, M9, Meeting Point, PA1


IP321, IP331, IP335, IP450, IP550, IP560, IP650, IP670, VVX300, VVX310, VVX400, VVX410, VVX500, VVX600, VVX1500, IP5000, IP6000, IP7000
Supported firmware: version 3.3.0 and above


T18P, T19P, T20P, T21P, T22P, T26P, T28P, T32G, T38G, T41P, T42G, T46G, T48G, W52P
Supported firmware: version v70 and above


GXP1100, GXP1105, GXP1160, GXP1165, GXP1400, GXP1405, GXP1450, GXP2100, GXP2110, GXP2120, GXP2124v2, GXP2130, GXP2140, GXP2160, GXP2200, GXV3140, GXV3175, GXV3175v2, GXV3240, GXV3275

Mitel / Aastra

6730i, 6731i, 6735i, 6737i, 6739i, 6753i, 6755i, 6757i, 6757i CT, 6863i, 6865i, 6867i, 6868i, 9143i, 9480i, 9480i CT


Kerio Operator Box 1220

Kerio Operator Box 3230


Concurrent calls
Concurrent recorded calls
Unlimited. Number of participants must be smaller than the number of concurrent calls
Voicemail storage
up to 28 GB
up to 28 GB

Hardware (only available in US, Canada, APAC and EU)

Desktop - fan-less-design
1U rack mount unit
Dimensions (in/mm)
9.8 x 7.6 x 1.6in / 250 x 194 x 40mm
16.8 x 14.4 x 1.7in / 426 x 365 x 44mm
Weight (lb/kg)
4.4lb / 2kg
15lb / 6.8kg
6 x 10/100/1000 RJ-45
8 x 10/100/1000 RJ-45
Other ports
2 x USB 2.0, 1 x RJ-45 console port
2 x USB 2.0, 1 x RJ-45 console port
Power input
Hard disc drive
4 GB
4 GB DDR3 1333 SDRAM
Intel Atom Dual Core 1.8 Ghz
Intel Core i3-2120 3.3 Ghz

Hardware Options

PRI - T1/E1 (24/30 concurrent calls)
Digium TE131F 1-port card
Warranty options
Standard 1-year warranty
Standard 1-year warranty