Add External Lines to PBX

Providing varied trunking options for businesses while saving communication costs.

Add External Lines to PBX
Expand your existing phone system

Yeastar VoIP Gateways transmit and receive digital IP packets for transport over an IP network, enabling IP communications for legacy PBX or KTS environment, and connect IP communications system with trunkings like PSTN lines and other trunking options. Yeastar has a full range of VoIP gateways providing PSTN, E1/T1/PRI, BRI, and GSM/WCDMA/4G LTE connectivities to add external lines to any IP-based PBX, like software PBX, softswitch, hosted PBX, etc.

For businesses that are tied to legacy equipment, Yeastar VoIP Gateways immediately connects them to cost-saving SIP trunkings. Besides preserving investment on legacy equipment, enterprises could also maintain PBX dialing habits and utilize the benefit of VoIP easily and conveniently.

Key benefits you will enjoy

Flexibility to enable VoIP capacity for legacy phone systems

Access to a robust feature set that fulfills various needs

Huge cost savings on phone calls via VoIP

Simple and intuitive web-based configuration that save loads of time

Stability with advanced hardware and software architecture

Interoperability with a broad list of softswitch, PBX, and IP-PBX

Add External Lines benefits

Related Products


TA FXS/FXO Gateways

Offer FXS or FXO ports to connect analog phones, lines, and others to IP networks.

TG GSM Gateways

Offer GSM WCDMA / 4G LTE channels to line up PBX with celluar trunks.

TE E1/T1/PRI Gateways

Offer E1/T1/PRI ports for most VoIP phone systems.

TB BRI Gateways

Provide BRI ports to integrate ISDN BRI line into VoIP.


Related Resources

Success Story

Grand Hotel Olimpo bridges their VoIP and analog networks with Yeastar TA VoIP Gateways


Success Story

Residence Les Marronniers reaps huge gains in cost-effectiveness with our TA/TE VoIP Gateways



5 Different Scenarios Using VoIP (Voice over IP) Gateways


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