O1's SIP Termination is a carrier-class wholesale service to any location in California. O1 terminates local, interstate, and intrastate voice calls that can originate on IP-enabled or PSTN devices. Because O1 operates its own CLEC facilities and uses intelligent routing, we are able to offer very competitive rates with high quality service. O1 has flexible solutions to meet unique requirements of service providers and carriers.

Supported Codecs include G.711 (must be supported), G.729, T.38, and In- or Out-of-Band DTMF (RFC 2833 or SIP INFO).

Features & Benefits:

• Aggressive rates
• Flexible solutions
• Least cost routing
• Carrier class facilities
• Rate lock and rate ceilings
• Private or public SIP options
• Best AT&T and Verizon coverage
• Trial or Production Peering available in 24 hours

Flexible Termination Options:

• Tiered NPA-NXX-based with OCN verification
• Tiered LATA/OCN
• All payload sizes
• Blended rates

Toll Free Termination

O1's Toll free Termination (TFT) switches 8XX calls originated by a customer anywhere worldwide to various Exchange Carriers for call completion. A database lookup determines which IXC toll free numbers belong to and routes calls accordingly. O1 has extremely competitive plans with no UTI activation costs.