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30 - 200 users, small business phone systems comparison

VoIP PBX (Private Branch Exchange) business telephony
Feature/ModelCXR2000 / XR2000CXE2000 / XE2000Software PBX (CompletePBX virtual machine)
For businesses with standard telephony requirements, where telephone traffic is typically at 40% usage, the XR series provides a reliable and cost-effective solution for three sizes of organizations.For businesses whose call volumes are higher than 40%, and/or are running additional applications which mandate a more powerful phone system, and/or have stricter policies about networking and reliability, the XE series is the right choice. download-software-pbx
Max. capacity (users)200200up to 5000 users, licensed per amount of extensions
Max. concurrent calls (SIP only)8585based on resources
Max. concurrent calls (PRI + FXS) 4545-
Max. analog ports (FXS, FXO)160160via gateway
Max. digital ports
BRI ISDN1616via gateway
E1/T1 PRI, E1 R2, T1 CAS11via gateway
Ethernet ports1 x 1 GB2-3 x 1 GB-
Mass storage320 GB/1 TB/64 GB SSD320 GB/1 TB/64 GB SSD-
RAID1 (2 HDDs)image001image003-
Hardware Echo Cancellationoptionaloptional-
Analog Line Failoveroptionaloptional-
Rapid Recoveryimage003image003VM snaphot
Internal backup and restoreimage001image003VM snaphot
Power supply notification image001image003-
Front panel LCD and keypadimage001image003-
Front panel USB accessimage001image003-
Power supplyInternalInternal-
Size19" 2U19" 2U-
Fan redundancyimage001image003-
SoftwareCompletePBX5 software, free upgrade under warranty, or ElastixCompletePBX5 software, free upgrade under warranty, or ElastixCompletePBX VM, available for VMware, Hyper-V and Oracle VirtualBox
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