The IAD-4S4O analog hybrid gateway is an IP-based access gateway supporting 4 FXO/FXS voice interfaces, providing a cost-effective and easy-to-use VoIP solution for small businesses, home offices, remote branches, and multi-branch enterprises. With power failure and network disconnection escape functions, the FXS/FXO hybrid analog gateway offers greater flexibility when paired with traditional analog PBX systems, facilitating convenient operation and ensuring reliable transition from traditional to IP voice. The gateway adopts the standard SIP protocol, ensuring compatibility with most IP-PBX, softswitch, and SIP-based network platforms.

Cost- Effective VolP Gateway

• 4 FXS 4 FXO ports, 1 WAN, 2 LAN
• Power Failover
• IP/SIP Failover
• Support SIP, IMS
• T.38 Fax
• Flexible routing & Dial plan
• Interoperable with leading softswitches,IP-PBXs and SlP servers

High Stability andReliability

• Embedded Operation System
• Market-proven hardware design
• Carrier-grade reliability
• Main/Secondary SlP server failover
• TLS/SRTP Security

Easy Management

• Intuitive Web interface including Quickinstallation guide
• Support SNMP &TR-069
• Automated provisioning
• Dinstar Cloud Management System
• Configuration Backup and Restore
• Debug tools in web interface

Telephone Interfaces
4FXS and 4FXO, RJ11
Network Interfaces
3LAN, 10/100Mbps, RJ45
1WAN, 10/100Mbps, RJ45
FXS
Connection interface: RJ11
Dialing methods: DTMF and pulse dialing
Pulse dialing: 10 and 20 PPS
Caller ID: DTMF/FSK caller ID standards
Supports polarity reversal transmission
FXO
Interface type: RJ11
Dialing methods: DTMF and pulse dialing
Pulse dialing: 10 and 20 PPS
Call detection: Bellcore Type 1&2, ETSI, DTMF
Call detection modes: Pre-ringing, post-ringing
Polarity reversal signal detection
Dialing modes: One-shot dialing, two-stage dialing
Supports multiple signal tone standards
Busy tone detection
Off-hook current detection
Automatic impedance matching

1. Multi-functional cost-effective voice gateway with 4 FXS and 4 FXO voice interfaces
2. Supports SNMP/TR069 standard network management protocols
3. Supports power failure and network disconnection escape functions
4. Supports call detection and polarity reversal detection
5. Certified by open-source Elastix and compatible with Broadsoft
6. Supports codecs: G.711, G.729, G.723, G.726, AMR, etc.
7. Adopts standard SIP protocol, perfectly compatible with IMS/NGN and mainstream softswitch platforms