Use Cases for DINSTAR DAG Series Analog VoIP Gateway
DINSTAR DAG series are cost-effective, reliable Analog VoIP gateways that seamlessly connect your analog phones, fax machines and legacy PBX with IP PBX systems and IP Phone networks, leveraging investment of your existing telephony infrastructure and simplifying your VoIP migration. We offer three kinds of Analog VoIP gateways, including FXS VoIP gateway, FXO VoIP gateway and Hybrid VoIP Gateway which is the combination of FXS and FXO in one device.
FXS VoIP Gateway
FXS VoIP Gateway has to work with SIP-based IP PBX or SIP server. It can be used to connect with traditonal phone or FAX, and connects with FXO port via RJ11 cable. They can be stacked up to as many as IP PBX allowed.
FXO VoIP Gateway
FXO VoIP Gateway has to work with SIP based IP PBX or SIP server. It can be used to connect with telcom PSTN line or connect with FXS port with RJ11 cable. They can stack up to as many as IPPBX allowed.
Hybrid VoIP Gateway
Hybrid VoIP Gateways equip with FXO and FXS in one device. Any SIP-based IP PBX or cloud IP PBX can use this model for PSTN and FXS interfaces.
Typical scenario in the enterprise
DINSTAR Analog VoIP Gateways can be used to connect with IP PBX or extend with the legacy PBX systems. IPPBX support many features such as IVR, call queue, call recording, SIP trunk, and so on.VoIP gateways are used to support as a PSTN or extensions.
By connecting to FXS or FXO, the gateways can also support a legacy PBX system to extend with IP communication.The below diagram shows a very typical scenario in the enterprise workplace. Each department has a few stuffs, each stuff will be allocated with an extension.IP PBX handles all of the call features as IVR, call recording, ring group, queue.
Applications in vertical industries
DINSTAR Analog VoIP Gateways can build many flexible solutions with SIP based platform.Such as edution, banking, social orgs, and goverment phone system.
Failover for SIP/IMS trunk
Some IP PBXs use SIP/IMS trunk as a incoming call or outgong call interface. To make the whole phone system work be stable, Dinstar voip gateways can be use as a backup in case of SIP failed. If SIP/IMS trunk is down, the IPPBX can still make calls through FXO/E1/T1 service.