O1’s SIP Origination service allows calls originating from the public switched telephone network (PSTN) to access service providers through O1’s IP network using direct inward dial (DID) numbers.
Calls originating from the PSTN are aggregated to a single point of interconnection and delivered to enhanced service providers via TDM or SIP.
Features & Benefits
- Dynamic call routing
- All payload sizes
- Session or usage-based pricing
- Instant DID provisioning
- Accelerated time to market
- Reduction in traffic management costs
- Single point of interconnection to O1’s footprint
- Maximum flexibility and options for customizing by individual TN
- Elimination of additional facility costs in multiple exchange areas
- IP or TDM-based handoffs, including SIP, PRI, G.729 and T.38
- In- or out-of-band DTMF – RFC 2833 or SIP INFO
Standard Services
- Originating markets
- Interconnection
- IP Addresses
- Additional DIDs
Optional Services
- End user local number portability
- End user caller name and number