OpenVox SWG-M204 Wireless Gateway with 4 LTE Channels (SWG-M204L)

The OpenVox SWG-M204L provides 4 LTE channels. They can bring you excellent HD voice service with multiple codecs, including G.711U, G.711A, GSM, G.722, G.726, G.729, and also flexible SMS service with multiple SMS API. The SWG-M204L is 100% compatible with Asterisk, 3CX, FreePBX, FreeSWITCH and VOS VoIP operating platform, and help users reduce telecommunications and communication costs.

OpenVox SWG-M204L Key Features

• Support SIP/IAX2 Protocol 
• DTMF Mode: RFC2833/Inband/SIP Info 
• SIP V2.0 RFC3261 Compliance 
• Abundant Codecs:G.711A, G.711U, G.729, G.722, G.726, GSM 
• Work as both SIP Client and Server mode
• IPv4，UDP/TCP，ARP, DHCP, NTP, DNS, HTTP/ HTTPS, SSH 
• PPTP VPN 
• Ping & Traceroute 
• Firewall
• Friendly GUI and easy configuration 
• WEB/SSH Access and Management 
• Support configuration files backup and restore 
• Support multiple languages 
• Firmware Update by Web 
• CDR 
• Detailed Log 
• Network and SIP capture
• SIP/IAX2/Wireless Group Settings 
• Random call interval 
• Call Duration Limitation 
• Open API Protocol (based on Asterisk) 
• Two-stage dialing 
• Multiple SMS API 
• SMS/USSD 
• PIN Identification 
• SMS Bulk Transceiver and Auto Resend 
• SMS to Email 
• SMS Forwarding and Quick Reply 
• SMS Remotely Controlling Gateway 
• Flexible Call Routings 
• Schedule Reboot 
• Support MMP 
• Support for Custom Scripts, Dialplans 
• Support OpenVox Cloud Service 
• CLID Display & Hide (Need operators’ support )

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