YEASTAR TG400-LTE NeoGate TG400L - VoIP LTE Gateway (VoIP-LTE) - 4 LTE ports included

The IP telephone exchange, through the Least Cost Routing service, automatically routes outgoing traffic to the SIMs when dialing mobile numbers. Incoming calls on these SIMs are managed like other traditional telephone lines, VoIP, ISDN or analog. Strong savings on telephone costs, new resources for incoming/outgoing traffic, SMS management and call back service, cellular integration, zeroing the cost of calls between colleagues' mobile phones. The use of these LTE VoIP gateways also allows you to send and receive SMS. They are compatible with all VoIP exchanges that support standard SIP VoIP external lines (typically asterisk-based switchboards or traditional systems equipped with a DSP card and appropriate licenses to host SIP VoIP lines). Version with 4 SIM LTE VoIP over LTE (VoLTE) Protocol: SIP (RFC3261), IAX2 Transport: UDP, TCP, TLS, SRTP DTMF: RFC2833, SIP INFO, In-band Audio Codec: G.722, G.711 A/u-Law, G.726, G.729 A, GSM, Speex. Cancellation of Echo Conversation duration limitation Transfer, wait, reservation Indication of the status of the call IP blacklist Alert for unwanted external attack System logs LAN network connection: 1 10/100 MBps Network port: Static IP, DHCP Client, Firewall, VLAN, DDNS, QoS, OpenVPN Device power supply: 220VAC/50~60Hz — DC 12V- 1A Caller ID Open API for SMS and USSD Operating temperature: 0 — 40°C WARRANTY 2 YEARS