The Dinstar MTG200 is PRI to SIP trunking gateway. Very good choice for budget conscious people. It is certified to work with Asterisk, Freeswitch and its derivatives.
The Yeastar TE100 offers SMBs cost effective additions to legacy telephone systems to bring the true benefits of VoIP. TE100/200 is a single or dual port VoIP E1/T1/J1 gateway (VoIP to E1/T1/J1, and E1/T1/J1 to VoIP) that supports up to 30 or 60 concurrent calls. It’s designed to bridge the gap between E1/T1/J1 and VoIP networks. Integrating TE100/200 into an existing network will allow inexpensive communication via SIP trunking. Also, it could connect VoIP systems with E1/T1/J1 service from legacy carriers.
Dinstar MTG200 Trunk Gateway enables direct routing of calls between the fixed line ISDN and the cost-effective IP networks for capitalizing on low cost VoIP telephony. By integrating MTG200 Trunk Gateway with existing PBX / PABX telephone systems, businesses of all sizes can benefit from low-cost Voice over IP calls and achieve substantial cost savings without the high upfront costs associated with communications infrastructure changes related with the migration to VoIP.
MTG2000 is a new-generation intelligent VoIP gateway, which is designed for enterprises, telecom operators and various industries. Focusing on a concept of maintainable, manageable and operable, MTG2000 features high integration and large capacity. It provides carrier-grade VoIP and FoIP . services, as wel l as value-added func tions such as modem and voice recognition. Thus it constructs a flexible, high-efficient, future-oriented communication network for users.
The NeoGate TE200 is a robust dual‑port VoIP gateway designed for bridging traditional digital ISDN lines (E1/T1/J1) with IP‑based VoIP environments. With support for up to 60 concurrent calls and an intuitive web interface, it's ideal for businesses transitioning from legacy telephony to modern SIP systems without compromising reliability, flexibility, or cost efficiency.
The ZYCOO G401 is an enterprise-grade PRI VoIP gateway offering seamless integration between traditional E1/T1 ISDN lines and modern IP-based telephony systems. It supports up to 30 simultaneous voice/data channels, full SIP compliance, a robust hardware design, and comprehensive management features—ideal for organizations transitioning legacy telecom infrastructure to IP with minimal disruption.
The Dinstar MTG200 is a compact digital VoIP gateway that supports G.723, G.729, and iLBC codecs, designed for efficient voice compression and bandwidth optimization. These codecs allow the MTG200 to maintain high audio quality even in low-bandwidth environments, making it ideal for enterprise and telecom-grade voice communication.
The Dinstar MTG200 is PRI to SIP trunking gateway. Very good choice for budget conscious people. It is certified to work with Asterisk, Freeswitch and its derivatives.
Dinstar MTG200 Trunk Gateway enables direct routing of calls between the fixed line ISDN and the cost-effective IP networks for capitalizing on low cost VoIP telephony. By integrating MTG200 Trunk Gateway with existing PBX / PABX telephone systems, businesses of all sizes can benefit from low-cost Voice over IP calls and achieve substantial cost savings without the high upfront costs associated with communications infrastructure changes related with the migration to VoIP.
The Grandstream GXW4504 4-Port E1/T1/J1 Digital VoIP Gateway is a high-performance digital gateway designed to seamlessly connect traditional PSTN/ISDN trunks with modern VoIP networks. Featuring 4 E1/T1/J1 spans and support for up to 120 concurrent calls, it is ideal for medium to large enterprises looking to expand their communication capacity. It supports major signaling protocols such as PRI, SS7, and MFC R2, along with a wide range of voice codecs for maximum compatibility. Equipped with dual Gigabit ports, built-in NAT routing, USB 3.0 and SD card support, plus advanced features like echo cancellation, jitter buffer, T.38 fax, and secure TLS/SRTP encryption, the GXW4504 ensures reliable, scalable, and secure VoIP integration.
