ReviewsAutomatic Failover

Grandstream UCM6204 Innovative IP PBX with 4 FXO and 2 FXS Ports

Comprehensive codec support, Caller ID, flexible dial plans and security protection.
Designed and tested for full interoperability with leading ip-pbxs, soft-switches and sip-based environments.
Failover SIP server feature in case Main SIP server goes down.

Refer the user manual below for troubleshooting.
Up to 50 IPsec tunnels (for site-to-site and client-to-site VPN) and five OpenVPN tunnels for iOS and Android users.
900 Mbps firewall and 110 Mbps IPsec throughputs.
Feature-rich to meet a wide range of business network requirements.
Supports load balancing and WAN failover for highly reliable Internet connectivity.

Featured dual 1GbE LAN ports to support network failover, and with Link Aggregation enabled, DS220+ provides over 225 MB/s sequential read and 192....
Intel dual-core processor with AES-NI hardware encryption engine.
2 GB DDR4 memory (expandable up to 6 GB).
Access, share, and sync your data easily across different operating systems and devices..
Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time..
By default, two camera licenses are installed.
extra licenses can be purchased (CLP1, CLP4, or CLP8).

Sequential throughput performance at over 226 MB/s reading and 170 MB/s writing.
Dual 1GbE ports with failover and Link Aggregation support.
4K 10-bit H.265 video transcoding on the fly.
Over 40TB raw single volume capacity. Compatible Drive Type-3.5 inch SATA HDD, 2.5 inch SATA HDD, 2.5 inch SATA SSD. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port.
Tls and SRTP security encryption technology to protect calls and accounts.
Automated provisioning options include TR-069 and XML Config files.
Failover SIP server automatically switches to secondary server if Main server loses connection.

Featured dual 1GbE LAN ports to support network failover, and with Link Aggregation enabled, DS220+ provides over 225 MB/s sequential read and 192 MB/s sequential write throughput. Data can be further protected with RAID 1 disk mirroring to prevent sudden drive failure..
Intel dual-core processor with AES-NI hardware encryption engine.
2 GB DDR4 memory (expandable up to 6 GB).
Access, share, and sync your data easily across different operating systems and devices..
Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time..
Check Synology knowledge center or YouTube channel for help on product setup and additional information.

Cisco Meraki MX64W Cloud Managed Security Appliance - 1 year Advanced Security license.
Stateful firewall, VLAN to VLAN routing, 3G / 4G failover, Traffic shaping / prioritization.
Advanced security features web search filtering, anti-virus and anti-phishing, content filtering.

PERFECT FOR BUSINESSES: High-speed Ethernet connectivity with up to 900-Mbps TCP throughput for faster downloads.
SECURITY: Robust and secure VPN: secure interconnectivity, including standard IPsec, Layer 2 Tunneling Protocol (L2TP) over IPsec, and Cisco IPsec.
CONNECTIVITY: 16 ports of Gigabit for high-performance connectivity.
CONNECTIVITY: Dual WAN support allows multiple Internet connections for load balancing and failover.
PORT COUNT: 2 USB ports to support a 3G/4G modem or flash drive.
PEACE OF MIND: Limited-lifetime warranty, one-year technical support, and free software fixes for the term of the warranty.

Quad-Core, 2.1 GHz CPU with AESNI support. 4GB DDR4 memory expandable up to 32GB.
Outstanding performance at over 1,716 MB/s reading and 671 MB/s writing.
Boost IOPS performance with M.2 NVMe/SATA SSD cache through optional M2D18 adapter card.
Four built-in 1GbE (RJ-45) ports with failover and Link Aggregation support. Optional 10GbE add-on card providing high speed data rate.
Advanced Btrfs file system offering 65,000 system-wide snapshots and 1,024 snapshots per shared folder.

Quad-core 8-bay NAS with AES-NI support, with over 1,179 MB/s reading and 542 MB/s writing performance.
Pie slot for optional 10GbE add-on card. Four 1GbE (RJ-45) ports with failover and Link Aggregation support.
Optional M2D17 adapter card for dual M.2 SATA SSDs for cache.
8GB with easily upgradable dual channel design, up to 16GB. Operating Temperature is 5 degree Celsius to 40 degree Celsius.
Scale up to 18 drives with two DX517 expansion units.

Featured dual 1GbE LAN ports to support network failover, and with Link Aggregation enabled, DS220+ provides over 225 MB/s sequential read and 192 MB/s sequential write throughput. Data can be further protected with RAID 1 disk mirroring to prevent sudden drive failure..
Intel dual-core processor with AES-NI hardware encryption engine.
2 GB DDR4 memory (expandable up to 6 GB).
Access, share, and sync your data easily across different operating systems and devices..
Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time..
By default, two camera licenses are installed.
extra licenses can be purchased (CLP1, CLP4, or CLP8).