NPA-NXX United Kingdom

NPA-NXX LTD voip provider
We are specialised with USA OFFNET and USA CC
High CPS High Capacity

Your rate:

Rating: 1/1.00/5

General office

NPA-NXX
Cariocca Buisness Park Suite 72 2 sawley Road
Manchester
Manchester ,M40 8BB
United Kingdom

Phone: +12532428982
Site: http://npa-nxx.usa.cc/

Contact Person

michael hammer / Director
Phone: 0012532428982
Phone: 0034603366533

7, 10 and 11 digit dialling
Alternate Caller ID
call centers
International VoIP Wholesale Provider
Internet Fax Service Provider
Internet Telephony Service Provider
Internet VoIP and Video Conferencing Service Provider
Marketing Services
Network Service Provider
SIP Billing
Voip consulting
Voip Termination ISP
wholesale VoIP
Wholesale VoIP Carrier
Wireless Broadband

E1/T1
Extentions
Failover
IP devices
Missed Call Notification

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Wholesale VoIP services

ClearTelecomUS Ltd.

GMS VOIP

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SDP Protocols Are Used To Transmit Media Session Information

In 1998, the Internet Engineering Task Force (IETF) published the specification for a Session Description Protocol or SDP as a format that describes parameters for streaming media. The original IETF Proposed Standard was updated in 2006 as RFC 4566. Although the SDP was created as a feature of Session Announcement Protocol (SAP), it can be used with Real-time Transport Protocol, Real-time Streaming Protocol (RTSP), and Session Initiation Protocol, as well as a standalone protocol. Parameter negotiation, session announcement and session invitation are included in the descriptive sessions from the SDP protocol. Rather than transmit data like other types of protocols, an SDP negotiates between media type endpoints, format and properties involved. A session begins when a connection is established, and the session is terminated only after every endpoint is no longer participating.

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