Grandstream License UCM connect, 50/8

Grandstream HA100 The HA100 is ideal for any business that requires an always-on, redundant voice system by providing an automatic failover solution when paired with two UCM6510 IP PBXs. The device will constantly monitor the operational status of both UCM6510s and will automatically switch all system control to the hot-standby secondary UCM6510 when the primary device fails [...]

Xorcom CXR2047 IP

• Supports up to 200 IP extensions and 85 concurrent calls
• E1/T1 PRI, E1 R2, or T1 CAS Module
• Fully supports PRI/ R2/ CAS ISDN
• NT/TE settings for each channel
• Indicator lights for active settings and line status, per channel
• Support E1/ T1 (configurable)
• 64GB SSD cache, 320GB hard drive
• Size: Standard 19 inches 2U

Grandstream UCM6510 IP PBX

• Supports up to 2000 users and 200 SIP trunk accounts, up to 200 concurrent calls and up to 64 conference attendees
• 1GHz quad-core Cortex A9 processor
• 1GB DDR3 Ram, 32GB Flash
• 1 Integrated T1/E1/J1 interface, 2PSTN trunk FXO ports, 2 analog telephone/Fax FXS ports with lifeline capability