Modular VoIP PRI Gateways ranging from 4 up to 30 VoIP ports developed to enable direct connection of VoIP traffic to the PSTN/ fixed line ISDN for extending communications and reducing call charges. Support Single PRI and Double PRI.
Scalable VoIP BRI Gateways that connect directly to any one of existing ISDN BRI (T0/S0 ISDN, RDSI) interfaces for enabling bi-directional traffic for both VoIP and PSTN, in one compact box. Come configured with 4 x ISDN BRI ports and 8 VoIP channels, to enable VoIP access for legacy phone systems and BRI trunking for IP-based systems.
Also available SIP GSM Gateways, offering optional GSM trunks, in the one box.
Scalable GSM Gateways for IP-PBXs with 4 up to 72 GSM ports, that use standard SIP protocol for connecting VoIP PBX telephone systems directly to the GSM cellular networks in order to take advantage of low cost calls to and between GSM mobile phones.
Use of existing E1/T1 PRI or ISDN BRI interface of the PBX
Use of existing VoIP interface of the IP-PBX
No need of telephony infrastructure changes
Maintain existing dialing habits and business communication patterns
Fast return on investment (ROI)
Compatible with all ISDN PBXs
Compatible with IP systems of leading manufacturers worldwide
In-line connectivity (3-leg topology) – between the PBX and the PSTN