SIP trunk connectivity for business PBX environments
Flexible IP-based voice connectivity for on-premises and cloud PBX systems, softswitches, and modern communications platforms.
How SIP trunking connects your business
A simplified view of how voice traffic flows between your PBX and destination networks through Infinity Communications.
Everything you need for business voice
IP-based voice connectivity
Standards-based SIP trunking that connects your PBX or softswitch to the public voice network over IP.
PBX integration
Works with common on-premises and cloud IP-PBX environments and session border controllers.
Scalability
Add or reduce concurrent call capacity as your communication requirements change.
Number management
Provision new numbers, port existing numbers, and manage inbound routing.
Call routing
Configurable inbound and outbound routing to align with your business call flows.
Business continuity
Support for failover routing so calls can continue if a primary path becomes unavailable.
Built for how modern businesses communicate
SIP trunking supports a wide range of business scenarios, from consolidating multi-site voice to modernizing legacy PRI infrastructure.
- Enterprise IP-PBX connectivity
- Contact center inbound and outbound
- Multi-site voice consolidation
- Softswitch trunking
- Cloud PBX replacement of legacy PRI
- Business communications platforms
Talk to our sales team about SIP trunking
We'll discuss your PBX environment, capacity needs, and how SIP connectivity fits into your voice strategy.