200-1500 users High Availability phone systems comparison

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Feature/ModelCTS2000CTS3000Blue Steel CXTS3000Blue Steel CXTS4000Software PBX
(CompletePBX virtual machine)

High availability automated failover is provided by dual Xorcom IP-PBX in a TwinStar configuration.High availability automated failover is provided by dual Xorcom IP-PBX in a TwinStar configuration.The TwinStar configuration is a bundled product, comprised of two module-less Xorcom servers that have been optimized for use as a failover system.The TwinStar configuration is a bundled product, comprised of two module-less Xorcom servers that have been optimized for use as a failover system.download-software-pbx
Extensions licensed 1500150015002500up to 5000 users, licensed per amount of extensions
Recommended capacity (users)200100010001500up to 5000 users, licensed per amount of extensions
Max. concurrent calls (SIP only)85550550880based on resources
Max. concurrent calls (PRI + FXS) 45480480750-
Max. analog ports (FXS, FXO)160800800960via gateway
Max. digital ports
BRI ISDN16161616via gateway
E1/T1 PRI, E1 R2, T1 CAS1161624via gateway
Ethernet ports2 x 1 GB2 x 1 GB2 x 1 GB2 x 1 GB-
High Availabilityimage003image003image003image003-
Failover for all telephony ports - Analog, digital and IPimage003image003image003image003-
Mass storage2 x 250 GB SSD/ 500 GB SSD 2 x 500 GB SSD
2 x hot swappable 250 GB SSD / 500 GB SSD 2 x hot swappable 250 GB SSD / 500 GB SSD -
Hot Swappable Disksimage001image001image003image003-
RAID1 (2 HDDs)image001image003image003image003-
Intelligent Platform Mgmt Interface
(IPMI)
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Hardware Echo Cancellationoptionaloptionaloptionaloptional-
Analog Line Failoveroptionaloptionalimage001image001-
Rapid Recoveryimage003image003image003image003VM snaphot
Internal backup and restoreimage003image003image003image003VM snaphot
Power supply notification image003image003image003image003-
Front panel LCD and keypadimage003image003image003image003-
Front panel USB accessimage003image003image003image003-
Power supplyInternalInternalInternalInternal-
Hot swappable power supplyimage001image001image003image003-
Size2 x 19" 2U2 x 19" 2U2 x 19" 2U2 x 19" 2U-
Fan redundancyimage003image003image003image003-
Astribank power feedimage001image001image003image003-
SoftwareCompletePBX5 software, free upgrade under warranty, or ElastixCompletePBX5 software, free upgrade under warranty, or ElastixCompletePBX5 software, free upgrade under warranty, or ElastixCompletePBX5 software, free upgrade under warranty, or ElastixCompletePBX VM, available for VMware, Hyper-V and Oracle VirtualBox