- 1500 Users - 200 Concurrent Calls - 9 Audio meeting rooms (150 parties) - 8 X FXS - 8 X FXO - 2 X USB 3.0 - 1 SD Card - NAT router - 3 X 10/100/1000M PoE+ - Rack mount & Desktop - Audio only

- 1000 Users - 150 Concurrent Calls - 7 Audio meeting rooms (120 parties) - 4 X FXS - 4 X FXO - 2 X USB 3.0 - 1 SD Card - NAT router - 3 X 10/100/1000M PoE+ - Rack mount & Desktop - Audio only

- 500 Users - 75 Concurrent Calls - 5 Audio meeting rooms (75 parties) - 2 X FXS - 2 X FXO - 1 X USB 2.0 - 1 X USB 3.0 - 1 SD Card - NAT router - 3 X 10/100/1000M PoE+ - Wall mount & Desktop - Audio...

- 250 Users - 50 Concurrent Calls -  3 Audio meeting rooms (50 parties) - 1 X USB 3.0 - 1 SD Card - NAT router - 3 X 10/100/1000M PoE+ - Wall mount & Desktop - Audio only

- 3000 Users - 450 Concurrent Calls - 8 Video Conference rooms (60 parties @ 1080p) - Voice Conference (300 parties) - 8 X FXS - 8 X FXO - 2 X USB 3.0 - 1 SD Card - 2 X DC 12V Power Jack  - NAT router - 3...

- 2000 Users - 300 Concurrent Calls - 4 Video Conference rooms (40 parties @ 1080p) - Voice Conference (200 parties) - 4 X FXS - 4 X FXO - 2 X USB 3.0 - 1 SD Card - 2 X DC 12V Power Jack  - NAT router - 3...

- 1000 Users - 150 Concurrent Calls - 3 Video Conference rooms (20 parties @ 1080p) - Voice Conference (150 parties) - 2 X FXS - 2 X FXO - 1 X USB 3.0  - 1 X USB 2.0 - 1 SD Card - NAT router - 3 X...

- 500 Users - 75 Concurrent Calls - 2 Video Conference rooms (12 parties @ 1080p) - Voice Conference (75 parties) - 1 X FXS - 1 X FXO - 1 X USB 3.0 - 1 SD Card - NAT router - 3 X 10/100/1000M PoE+ - Wall...

- 800 users, 50 SIP trunks, 100 concurrent calls - Dual Gigabit integrated PoE - Supports up to a 5-level IVR - Built-in call recording server - Supports call queue - Built-in Call Detail Records (CDR) -...

- 500 users, 50 SIP trunks, 45 concurrent calls - Dual Gigabit integrated PoE - Supports up to a 5-level IVR - Built-in call recording server - Supports call queue - Built-in Call Detail Records (CDR) -...

- 500 users, 50 SIP trunks, 30 concurrent calls - Dual Gigabit integrated PoE - Supports up to a 5-level IVR - Built-in call recording server - Supports call queue - Built-in Call Detail Records (CDR) -...

- 1GHz quad-core Cortex A9 (1GB DDR3 RAM, 32GB Flash) - Integrated T1/E1/J1 / FXO & FXS ports - Gigabit network, integrated PoE, USB, SD - Supports up to 50 SIP trunk accounts - Integrated NAT router...