Yeastar TG400L – 4-channel 4G/LTE VoIP gateway

The Yeastar TG400L is a high-performance 4-channel 4G/LTE VoIP gateway that allows mobile network (4G/LTE) lines to be integrated with IP telephone systems. An ideal solution for businesses requiring several simultaneous mobile calls, or where mobile network use is desirable if the fixed-line connection fails.

Main features

• 4 mobile channels (4 SIM slots) for 4G/LTE networks
• 1 × 10/100 Mbps Ethernet RJ-45 port for IP network connection
• Supported protocols: SIP and IAX2
• Audio codec support: G.711 (alaw/ulaw), G.726, G.729A, GSM, ADPCM, Speex
• Web-based configuration interface – simple installation and administration
• Bulk SMS sending and 'SMS → email' forwarding function
• Mobile trunking for high call volumes and as a replacement for fixed-line routes

Detailed technical specifications

• Mobile channels: 4 × 4G/LTE (4 SIM slots)
• Network port: 1 × 10/100 Mbps Ethernet
• Protocols: SIP, IAX2
• Audio codecs: G.711 (alaw/ulaw), G.726, G.729A, GSM, ADPCM, Speex
• SMS functions: bulk SMS, SMS sending/receiving, SMS → email forwarding
• Call functions: call routing, call limits, automatic forwarding, call recording option
• Monitoring and management: web interface, system logs, configuration backup/restore
• Security and network: NAT handling, VLAN/QoS, DDNS, firewall settings, OpenVPN support
• Operating temperature: 0 °C – 40 °C
• Dimensions: approx. 213 × 160 × 44 mm
• Power supply: AC 100–240 V

Fields of application

• Offices with medium or high call volumes where mobile network lines need to be integrated via an IP telephone system
• Sites or offices where the fixed line is limited or unreliable – using the mobile network as a backup or main line
• Call centre and campaign systems with mobile call and SMS-based customer communication
• Extending IP PBX systems with a mobile trunk to provide greater capacity

Compatibility and notes

• LTE bands and operator compatibility may vary by country – we recommend checking with your provider before purchase.
• The 10/100 Mbps Ethernet port is sufficient for typical VoIP loads, but this should be taken into account in high-data-traffic environments.
• Basic IP networking and VoIP knowledge is recommended for installation.
• A reliable antenna and network environment is required to ensure optimal mobile call quality.

Box contents

• Yeastar TG400L unit
• Mains adapter
• Installation guide

Warranty

Manufacturer's warranty – the exact warranty period and conditions apply as specified by the distributor.