- 20 Users - 10 Max Concurrent Calls - 4 Max Analog Ports - 4 Max BRI Ports - 1 Max GSM/3G/4G Port - 2 X 10/100 - Optional modules for specific config.

- 20 Users - 10 Max Concurrent Calls - 4 Max Analog Ports - 4 Max BRI Ports - 1 Max GSM/3G Port - 20 VoIP Trunks - Optional modules for specific config.

- Up to 8 users - Up to 12 FXS ports - Up to 4 FXO ports - Up to 4 BRI ports - Up to 2 GSM ports - Up to 4 VoIP Trunks - Pre-configured with 8 FXS ports - 2 Modules Slots: Optional modules for specific...

- Module for Yeastar iPBX -  1 X 4G / LTE Channel - Voice & Data

- Up to 8 users - Up to 12 FXS ports - Up to 4 FXO ports - Up to 4 BRI ports - Up to 2 GSM ports - Up to 4 VoIP Trunks - Pre-configured with 8 FXS ports - V4: LTE SIP Trunking not supported - 2 Modules...

- High-Performance Qualcomm Quad-core Processor & 1 GB RAM - Support 5G NSA/SA, 4G, and 13 5G frequency bands - 2.5 Gbps peak 5G download speed - Gigabit Ethernet ports for lightning transmission of data...

- 50 Users - 20 Max Concurrent Calls - 50 VoIP Trunks - Not expandable (no module slot available)

- 8 LTE/4G Ports - 2 X 10/100

- 4 LTE/4G Ports - 1 X 10/100

- 2 LTE/4G Ports - 1 X 10/100

- Analog VoIP Gateway (eSBC) - SmartNode eSBC - 4 SIP Sessions (SIP b2b UA) upgradeable (max. 200) - 4 Transcoded SIP Sessions - SIP-TLS - SRTP - 2x Gig Ethernet - 1x USB port - external UI power...

- Analog VoIP Gateway (eSBC) - SmartNode eSBC - 4 SIP Sessions (SIP b2b UA) upgradeable (max. 200) - 2 Transcoded SIP Sessions (upgradeable max. 4) - SIP-TLS - SRTP - 2x Gig Ethernet - 1x USB port -...

- Analog VoIP Gateway (eSBC) - SmartNode eSBC - 4 SIP Sessions (SIP b2b UA) upgradeable (max. 200) - 1 Transcoded SIP Session (upgradeable max. 4) - SIP-TLS - SRTP - 2x Gig Ethernet - 1x USB port -...

- Analog VoIP Gateway - SmartNode VoIP Gateway - 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200) - Optional SIP-TLS/SRTP - Transcoding (max. 4calls) - 2x Gig Ethernet - external UI power (100–240...

- Analog VoIP Gateway - SmartNode VoIP Gateway - 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200) - Optional SIP-TLS/SRTP - Transcoding (max. 4calls) - 2x Gig Ethernet - external UI power (100–240...

- Analog VoIP Gateway - SmartNode VoIP Gateway - 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200) - Optional SIP-TLS/SRTP - Transcoding (max. 4calls) - 1x Gig Ethernet - external UI power (100–240...

- Analog VoIP Gateway - SmartNode VoIP Gateway - 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200) - Optional SIP-TLS/SRTP - Transcoding (max. 4calls) - 1x Gig Ethernet - external UI power (100–240...

- Analog VoIP Gateway - SmartNode VoIP Gateway - 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200) - Optional SIP-TLS/SRTP - Transcoding (max. 4calls) - 1x Gig Ethernet - external UI power (100–240...

- Analog VoIP Gateway - SmartNode VoIP Gateway - 4 SIP-SIP calls (SIP b2b UA) upgradeable (max. 200) - Optional SIP-TLS/SRTP - Transcoding (max. 4calls) - 1x Gig Ethernet - external UI power (100–240...

- Analog VoIP Gateway - SmartNode FXS-SIP VoIP Gateway - 1x 10/100BaseTX - Optional SIP-TLS - SRTP - incl. external UI power (100–240 VAC) - 4-FXS/1-Ethernet

- Analog VoIP Gateway - SmartNode FXS-SIP VoIP Gateway - 1x 10/100BaseTX - Optional SIP-TLS - SRTP - incl. external UI power (100–240 VAC) - 2-FXS/1-Ethernet

- Ultra-Miniature - Supports Over 20 Voice Calling Features - SIP Signaling - Toll Quality CODECs - Centralized Management - SN200/1JS1V/EUI = 1-FXS/1-Ethernet

- Double-sided - USB-A (for phone and/or PC/MAC) - 3.5mm (laptop and/or smart device) - Noise-cancelling microphone - In-line call control - Leatherette ear pads

- Double-sided - USB-A - Noise-cancelling microphone - In-line call control - Foam ear pads

- Single-sided - USB-A - Noise-cancelling microphone - In-line call control - Foam ear pad

- 300 (up to 600) Users - 60 (up to 120) Max Concurrent Calls - 16 Max Analog Ports - 16 Max BRI Ports - 6 Max GSM/3G/4G Ports - 2 Max E1/T1/J1 Ports (optionnal) - 1 USB (Up to 2TB) - 1 SATA (Up to 2TB) -...

- 100 (up to 200) Users - 30 (up to 60) Max Concurrent Calls - 8 Max Analog Ports - 8 Max BRI Ports - 4 Max GSM/3G/4G Ports - 1 Max E1/T1/J1 Port (optionnal) - 1 USB (Up to 2TB) - 1 SATA (Up to 2TB) - NFC...

- 50 Users - 25 Max Concurrent Calls - 8 Max Analog Ports - 8 Max BRI Ports - 4 Max GSM/3G/4G Ports - 1 USB (Up to 2TB) - NFC Read/Write - 2 X 10/100/1000 - Optional modules for specific config.

- Two RJ-11 FXS ports -  Two  10/100 Mbps RJ-45 Ethernet ports - Power button: Reset / Problem Reporting (PRT) - LED indicators: Power, Network, Phone 1, Phone 2, PRT - Wall mountable

- Two RJ-11 FXS ports - One 10/100 Mbps RJ-45 Ethernet port - Power button: Reset / Problem Reporting (PRT) - LED indicators: Power, Network, Phone 1, Phone 2, PRT - Wall mountable

- 8 BRI - 16 VoIP Calls or 8 SIP-SIP calls - 8 Transcoded Calls - High Precision 5ppm Clock - 2x Gig Ethernet - 1x USB port - SN5531/8BIS16VHP/EUI: 8 X ISDN BRI/S0 ports

- 4 BRI - 8 VoIP Calls or 4 SIP-SIP calls - 4 Transcoded Calls - High Precision 5ppm Clock - 2x Gig Ethernet - 1x USB port - SN5531/4BIS8VHP/EUI: 4 X ISDN BRI/S0 ports

- 2 BRI - 4 VoIP Calls or 4 SIP-SIP calls - 2 Transcoded Calls - High Precision 5ppm Clock - 2x Gig Ethernet - 1x USB port - SN5531/2BIS4VHP/EUI: 2 X ISDN BRI/S0 ports

- 1 E1/T1 PRI - High Precision 5ppm Clock - 1x Gig Ethernet - 1x USB port - SN4171/1E30VHP/EUI: 30 VoIP Calls NOT upgradeable

- 1 E1/T1 PRI - High Precision 5ppm Clock - 1x Gig Ethernet - 1x USB port - SN4171/1E15VHP/EUI: 15 VoIP Calls upgradeable to 30

- 1 E1/T1 PRI - High Precision 5ppm Clock - 1x Gig Ethernet - 1x USB port - SN4171/1E15VHP/EUI: 15 VoIP Calls NOT upgradeable

- 16 VoIP Calls or 4 SIP-SIP calls - 1x Gig Ethernet - 1x USB port - High Precision 5ppm Clock - SN4131/8BIS16VHP/EUI: 8 X ISDN BRI/S0 ports

- 8 VoIP Calls or 4 SIP-SIP calls - 1x Gig Ethernet - 1x USB port - High Precision 5ppm Clock - SN4131/4BIS8VHP/EUI: 4 X ISDN BRI/S0 ports

- 4 VoIP Calls or 4 SIP-SIP calls - 1x Gig Ethernet - 1x USB port - High Precision 5ppm Clock - SN4131/2BIS4VHP/EUI: 2 X ISDN BRI/S0 ports

- Up to 16 users - Up to 8 FXS ports - Up to 4 FXO ports - Up to 4 BRI ports - Up to 2 GSM ports - Up to 4 VoIP Trunks - Pre-configured with 4 FXS ports - V4: LTE SIP Trunking not supported - 2...

- 10 SIP Accounts - 5" high-resolution (800 x 480) WVGA color display - Wideband Audio - 5-10 Programmable Line Keys - Headset Port - Bluetooth (Headset / Mobile) - 2 X USB (Charge) - Key Expansion...

- 10 SIP Accounts - 5" high-resolution (800 x 480) WVGA color display - Wideband Audio - 5-10 Programmable Line Keys - Headset Port - Bluetooth (Headset / Mobile) - 1 X USB (Charge) - Key Expansion...

- 10 SIP Accounts - 5" high-resolution (800 x 480) WVGA color display - Wideband Audio - 5-10 Programmable Line Keys - Headset Port - 2 X 10/100/1000 Ethernet switch - SIP Version (Asterisk / Broadsoft /...

- 10 SIP Accounts - 5" high-resolution (800 x 480) greyscale display - Wideband Audio - 5-10 Programmable Line Keys - Headset Port - 2 X 10/100/1000 Ethernet switch - SIP Version (Asterisk / Broadsoft /...

- 16 SIP Accounts - LCD Backlight Screen 396 X 162 - Wideband Audio - 16 Programmable Line Keys - Headset Port - 2 X 10/100 Ethernet switch - SIP Version (Asterisk / Broadsoft / Centile / Metaswitch) -...

- 4 SIP Accounts - LCD Backlight Screen 396 X 162 - Wideband Audio - 4 Programmable Line Keys - Headset Port - 2 X 10/100/1000 Ethernet switch - SIP Version (Asterisk / Broadsoft / Centile / Metaswitch)...

- 2 SIP Accounts - LCD Backlight Screen 396 X 162 - Wideband Audio - 2 Programmable Line Keys - Headset Port - 2 X 10/100 Ethernet switch - SIP Version (Asterisk / Broadsoft / Centile / Metaswitch) -...

- 1 SIP Account - LCD Screen 384 X 106 - 2 X 10/100 Ethernet switch - SIP Version ( Asterisk / Broadsoft / Centile / Metaswitch) - PoE: No Power Supply Unit supplied

- Single Connectivity - Dialogue in motion - ActiveGard® - Full work day talk time - Phone conferencing - 2-in-1 wearing style - Fast charging - Noise-cancelling microphone

- Certifed for Skype for Business - Sennheiser HD voice clarity - Noise canceling microphone - High-Comfort - Solid construction - Dual-sided wearing style - Bendable boom arm - ActiveGard™ - Peace...

- Certifed for Skype for Business - Sennheiser HD voice clarity - Noise canceling microphone - High-Comfort - Solid construction - Single-sided wearing style - Bendable boom arm - ActiveGard™ - Peace...

- Cable for Smartphone and DECT

- DECT / GSM cable

- Headset cable for Avaya 1600/9600 series phones

- Headset connector cable with high microphone sensitivity

- Standard headset connection cable with standard microphone sensitivity

- Standard headset connection cable

- Best-in-class Comfort - Noise-canceling microphone - Unique Robust Construction - Dual-sided wearing style - Durability - Sennheiser HD Voice Clarity - Bendable Boom Arm - Pivotable Boom - Name...

- Best-in-class Comfort - Noise-canceling microphone - Unique Robust Construction - Single-sided wearing style - Durability - Sennheiser HD Voice Clarity - Bendable Boom Arm - Pivotable Boom - Name...

- 16 GSM/UMTS/WCDMA Ports - GSM 850/900/1800/1900 MHz - WCDMA 850/1900 MHz, 850/2100 MHz, 900/2100 MHz - 2 X 10/100