- SIP trunking is a Voice over Internet Protocol (VoIP) based on session initiated protocol (SIP), which enables internet-based telephony vendors to provide telephone services and unified communications to customers with SIP– where you can use an existing PBX system.
- Traditional landlines are typically kept for alarm systems, faxes or other products that need to utilize traditional communication methods.
- VoIP is Voice over Internet Protocol. This is where you use the internet to make telephone calls.
- You can have a VoIP circuit and back it with another circuit for network redundancy.
