O1 is a facilities-based CLEC that offers wholesale SIP origination in California, and national and international call termination for carrier voice traffic. O1's carrier wholesale services include call origination and termination, toll-free call termination, turn-key VoIP services, managed modems, colocation and E911. O1's wholesale VoIP offerings are backed with industry-leading support, very competitive rates and guaranteed 24-hour turn-up.

O1 SIP Peering benefits:

• Any-to-any peering
  
• California origination
  
• National termination
• Toll free call termination
• Local DIDs
  
• E911
  
• No minimum commitment
  
• Flexible Rate Decks
  
• 24-hour turn-up
  
• Direct handoff to end offices
  
• Local phone numbers in 576 rate centers
  
• No charge for porting in numbers

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• Colocation Facilities >>> More
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