SIP Trunking
SIP is an open standard that enables Black Box customers to seamlessly connect
existing customer premise equipment (CPE) with our carrier-class voice network.
SIP trunks offer:
• Potential for significant cost savings in inbound, domestic,
international, and toll-free calls.
• Increased reliability from network redundancy and available customer
premise network redundancy options.
• e911.
We offer SIP plans for all business types and sizes, including options for small
businesses that need cost savings and flexibility and larger enterprises looking
for business continuity and unlimited calling.
Our enhanced SIP trunking service delivers all the value of standard SIP trunking
plus these added benefits:
• Disaster recovery.
• Redundancy options not typically available from traditional carriers.
• Pre-configurable PBX failover service. Re-route to our PBX in the cloud,
another office, an IP phone you manage, or your cell phones.
• Self-managed call routing, extensions, voicemail boxes, groups, and auto
attendant.
• Peer one or multiple SIP phones with our failover feature.
• 24/7 Network Operations Centers.