Virtual-Call's SIP Trunk service connects your existing IP-PBX to the public telephone network via SIP (Session Initiation Protocol) over an Internet connection.
National SIP Trunk for your company
All incoming and outgoing telephone calls are conducted in high voice quality via Virtual-Call to the PSTN (Public Switched Telephone Network). You benefit from up to 70% savings on your telephone costs and 100% availability.
Please select the region for your SIP Trunk
- North America
- South America
- Europe
- Asia-Pacific (APAC)
We will soon expand our service in North America.
Optional


SIP Trunk Brazil
National termination (domestic)
Emergency
Port of numbers
Microsoft Teams Direct Routing
We will soon expand our service in LATAM.
Optional


SIP Trunk Austria
National termination (domestic)
Emergency
Port of numbers
Microsoft Teams Direct Routing


SIP Trunk Germany
National termination (domestic)
Emergency
Port of numbers
Microsoft Teams Direct Routing


SIP Trunk Spain
National termination (domestic)
Emergency
Port of numbers
Microsoft Teams Direct Routing


SIP Trunk Switzerland
National termination (domestic)
Emergency
Port of numbers
Microsoft Teams Direct Routing
We will soon expand our service in the Europe countries.
Optional
We will soon expand our service in Asia.
Optional
Benefits of our SIP Trunk service
Full PSTN replacement
National termination
Calls are routed nationally in the respective countries via stable and highly secure geo-redundant SIP clusters, therefore short latency and top voice quality and monitoring around the clock (24/7).
SIP cluster 24/7 monitored
Continuous monitoring of the performance of the installation is one of the significant differentials of Virtual-Call carrier service. It ensures service quality as well as constant customer satisfaction.
Cost efficient
We guarantee interconnection between headquarters and all branch offices with just one contract, one technical contact, and one connection. Possibility of reducing telephony costs by up to 70%.
Connect the SIP Trunk with any IP PBX and Platform
Virtual-Call SIP Trunking work with any system, including 3CX, Asterisk, Microsoft Teams, Aastra, and many more.
REQUEST A QUOTE NOW
If you're looking for a cost-effective and reliable way to connect your PBX, Virtual-Call SIP-Trunk is definitely worth considering.