Call Termination

Carrier-class wholesale service

O1’s SIP Termination is a carrier-class wholesale service. O1 terminates local, interstate, and intrastate voice calls that can originate on IP-enabled or PSTN devices. We operate our own CLEC facilities and utilize intelligent routing to offer very competitive rates with high quality service.  Our skilled and dedicated team takes pride in designing flexible solutions to meet the 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 and Benefits

  • Premium conversational traffic with direct routes
  • Aggressive rates
  • Custom, flexible solutions
  • Least cost routing
  • Carrier class facilities
  • Private or public SIP options
  • 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
  • Rate lock and rate ceilings

Toll-Free Termination

Short Duration & Dialer

O1 has extremely competitive plans with no activation costs.

Contact us to discuss how we can customize our wholesale serivces to your business needs.