Leadership in telecommunications is also essential, since we are now in the age of e-commerce.

-Michael Oxley

SIP Trunking

Through the client’s existing Internet connection, this technology can provide multiple channels of voice and data traffic in a single IP circuit. This service has gigantic advantages compared to the old ISDN technology, which includes savings of up to 70% in national and international calls, the possibility of having incoming and outgoing numbers from most of the world. These are just a few of the many advantages of SIP Trunking.

International Numbers

Local presence with numbers from 50+ countries and 300+ cities. Support your international customers with a local presence without having to set up regional offices— select local and/or freephone numbers.


Cloud PBX

Tierra offers a hosted, cloud-based PBX solution delivering voice with advanced features. Hosted PBX is one of the fastest growing and cost efficient services for any size of businesses using VoIP. Hosted PBX offers one platform, one bill and one point of contact delivering increased flexibility, low maintenance, simplification and advanced features.

On-premise PBX

On-premise PBX is also known as an IP-PBX phone system. It is similar to a traditional PBX system that resides at a location, such as a computer equipment room or phone closet. The main difference is that IP routing is done with more current technology. This intended for a large size bussiness.