FXO/FXS VoIP Media Gateway

SMG1000 OVERVIEW

2~144 Ports FXS Analog VoIP Media Gateway, Cost Effectively And Reliably Connect Your Legacy Networks to IP

FXS & FXO Gateway

SMG1000-D4SP

SMG1000-D8SP

SMG1000-D16SP

SMG1000-D24SPR

SMG1000-D32SPR

SMG1000-D48SR

SMG1000-D4O

SMG1000-D8O

SMG 1000-D16O

SMG 1000-D24O

SMG 1000-D32O

SMG1000-D2S2O

SMG1000-D4S4O

SMG1000-D8S8O

SMG1000-D16S16O

SMG1000-D48/72SPR

SMG1000-D96/120/144SPR

FXS/FXO/E1 VoIP Gateway

Home FXS & FXO Gateway

Modular & Standalone 2~144 Ports
Seamlessly Migrate FXO/FXS to SIP
Auto-Provision With Platform & IP-Phone
DSP-Based Codecs & Faxing & Conferencing

Synway’s 2~144 Ports Analog FXS Gateway: Integrate PSTN with VoIP

Designed to bridge legacy telephone systems, fax machines, and PBXs with modern IP networks, Synway’s 2~144 ports analog FXS gateway (supporting FXS/FXO functionalities) delivers a simple, cost-effective solution for call centers and multi-branch enterprises. This versatile VoIP gateway empowers organizations to deploy powerful, efficient VoIP solutions with unmatched cost advantages, enabling seamless interconnection between PBX systems, LANs, or WANs. By converting analog PSTN messages into IP-compatible formats, the FXS gateway ensures smooth transmission over standard IP networks, making it an essential tool for businesses prioritizing reliability, scalability, and budget-friendly telecom upgrades.

Rich Customizable Features and Robust Telco' architecture

Engineered for voicemail and unified messaging solutions, Synway’s SMG1000 series Analog FXS Gateway (2~144 ports) combines rich customizable features with robust telco-grade architecture. This gateway integrates legacy PBX systems with LAN networks via a 10/100/1000M (optional) Base-T Ethernet connection, enabling seamless migration to VoIP. Its analog loop start functionality supports versatile integration—including in-band signaling (DTMF/FSK), serial protocols, and T.38 fax-over-IP (FoIP)—making it ideal for businesses needing to digitize analog phones, fax machines, and PBX setups. The SMG1000’s scalable design ensures reliable performance for call centers, multi-branch enterprises, and telecom providers seeking cost-effective, feature-rich Analog FXS Gateway solutions that bridge legacy telecom with modern IP networks.

Rich Customizable Features and Robust Telco' architecture

Engineered for voicemail and unified messaging solutions, Synway’s SMG1000 series Analog FXS Gateway (2~144 ports) combines rich customizable features with robust telco-grade architecture. This gateway integrates legacy PBX systems with LAN networks via a 10/100/1000M (optional) Base-T Ethernet connection, enabling seamless migration to VoIP. Its analog loop start functionality supports versatile integration—including in-band signaling (DTMF/FSK), serial protocols, and T.38 fax-over-IP (FoIP)—making it ideal for businesses needing to digitize analog phones, fax machines, and PBX setups. The SMG1000’s scalable design ensures reliable performance for call centers, multi-branch enterprises, and telecom providers seeking cost-effective, feature-rich Analog FXS Gateway solutions that bridge legacy telecom with modern IP networks.

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Features

Completely non-blocking architecture and Scalable System
Easy integration with existing telephony interfaces
Open-standard SIP support and register to multiple SIP proxy servers
Make and receive IP calls from analog extensions
Call budgeting based on allocated amount, minutes and call count
Manageable based call routing TDP-IP/IP-TDM
Restrict unwanted calls with list of denied numbers
Real-time call record send to CDR server
Caller ID presentation and restriction
Hotline extension setting
Web-based remote administration
Consol access via Telnet, SSH.

Capabilities

High performance VoIP connectivity for SMBs
Voice optimization to ensure better user experiences
Enhanced call routing ability with high voice quality
Easy to install, configure, and maintain
Support IPv4 and IPv6 international network
Data/voice/management VLAN and more
Build-in firewall and access rules
Support SNMP/TR069/Auto-Provision
Cloud-based management and bandwidth optimization
Support SIP, MGCP or other customizable protocols
Primary/Backup SIP Servers
Flexible routing and manipulation

Core Specifications

Physical Interface	Phone Interface: 4 Ports FXS, RJ-11(some models are RJ21 available) Ethernet Interface: 2* RJ-45 10/100Mbps Base-T Ethernet, Female RJ-45 1000M LAN/WAN available for some product models while required
VoIP Protocols	TLS / SRTP OpenVPN SIP V2.0 (RFC 3261, 3262, 3264) IMS/3GPP SDP REFER (RFC 3515) RTP/RTCP STUN (RFC3489) ARP/RARP (RFC 826/903) SNTP (RFC 2030) DHCP/PPPoE TFTP/HTTP/HTTPS DNS/DNSSRV (RFC 1706/RFC2782). VLAN802. 1P/802.1Q.
Call & Routing	Port Groups IP Trunks Primary and Secondary SIP Account 2~128 Inbound/Outbound Routing Number Manipulation Digit maps TDM to IP or IP to TDM IP load balancing IP fault tolerance
Voice Capability	G.711A/U law, G.723.1, G.729A/B,G.726,iLBC,AMR Comfort Noise Generation(CNG) Echo Cancellation(G.168) DTMF mode: Signal/RFC2833/INBAND Silence suppression with comfort noise G.168 automatic echo cancellation Call Progress Analysis (CPA), including Positive Voice Detection, Positive Answering Machine Detection (PAMD), DTMF detection, and fax tone detection Manageable based call routing TDP-IP/IP-TDM. Restrict unwanted calls with list of denied numbers. Voice Activity Detection (VAD) Adaptive (Dynamic) Jitter Buffer Programmable Gain Control Hook Flash
FoIP Protocol & Faxing	T.38 for transmission over a packet network T.38/Pass-through, up to 14.4kbps T.38 FoIP: transcode fax from T.30 fax protocol (supporting V.17) modulation schemes
Network Capability	SupportedDial Mode: DTMF and PulseCall waitingStatic IP, PPPoE, DHCP Client IPv4, IPv6 Static/dynamic ARP DIFFServ, ToS NAT (Rout and Bridge)+ MAC Address Clone Static routing+ Built-in Firewalls QoS, Traffic Shaping Voice/Data/Management Vlan
Maintenance & Upgrading	SNMP/TR069. Auto Provision Action URL Digit map Web/Telnet. ACL Configuration Backup/Restore Bandwidth Optimization Routing Rules based Prefixes Firmware Upgrade via WEB Syslog and CDR. Access Rule list. Network Capture Outward Test(GR909). Automatic Time Synchronization IVR local Maintenance. Cloud-based Management Caller/Called Number Manipulation Open-standard SIP support and register to multiple SIP proxy servers.
Application Capabilities	Power Supply: 100-240V, 50-60Hz+Call waiting Blind Transfer Attend Transfer Call forward on Busy Call forward on No Reply Unconditional Call Forward HotlineCall hold DND Call Pickup 3-way conference Voicemail
Conferencing Resource	Call budgeting based on allocated amount, minutes and call count Complete non-blocking architecture and Scalable System Hotline extension setting Support 3-Way and Multi-Way Conferencin

Resources

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HMP/VOIP/TDM cards & SDK

FXO/FXS VoIP Media Gateway

SMG1000 OVERVIEW

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