The delivery of telephone and unified communications services over the Internet to customers with SIP-enabled PBX is known as SIP Trunking. SIP (Session Initiation Protocol) Trunks are basically connections between the PBX and public telephone network which replaces analog telephone lines and PRIs (Primary Rate Interface) which were the connections used before SIP Trunks existed.
Benefits of SIP TRUNK
- Security
- Compatibility
- Provisioning
- Fast & Excellent Service
- Extensive DID Coverage
- Flexible Bandwidth
- Cost Effective
- Scalable & Flexible
- International Toll Fraud Protection