XO Communications United States
General office
XO Communications
2717 Millers way Dr
ellicott city
MD ,21043
United States
Phone: +1 443-845-2151
Contact Person
CARL Kendrick / BUS DEV
Phone: 443-845-2151
XO Communications
2717 Millers way Dr
ellicott city
MD ,21043
United States
Phone: +1 443-845-2151
Contact Person
CARL Kendrick / BUS DEV
Phone: 443-845-2151
- Hosted VoIP billing service provider
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- Network Service Provider
- Voip Termination ISP
- Wireless Broadband
- Call Routing VoIP Solutions
- Collaboration
- E1 Bulk Wholeseller
- H.323 Softswitch & CPE
- H.323 VoIP Gateway
- H.323 Wireless/ GSM VoIP Solutions
- Installation and Support Services
- IP devices
- SIP VoIP Gateway
- Termination
- Cisco Systems
- CPM
- DSG
- Huawei VoIP Products
- Lucent
- Sonus Network
- Oracle Based own system
SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
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