a2zTEL Communications Inc Canada
A2ZTEL is a global leader in delivering high-quality international and domestic long distance calling services to subscribers at a fraction of the cost of traditional carriers by leveraging the power of the Internet.
A2ZTEL is a cost effective commun
A2ZTEL is a global leader in delivering high-quality international and domestic long distance calling services to subscribers at a fraction of the cost of traditional carriers by leveraging the power of the Internet.
A2ZTEL is a cost effective communications service provider that is an alternative to traditional telephony services. A2ZTEL's products and services are characterized by value, ease-of-use and superior technology. Regardless of the internet connection, whether dial-up or high speed, and combined with our software and hardware devices, we offer innovative, feature-rich, digital voice quality telephony services.
A2ZTEL adopts the Session Initiation Protocol (SIP) which is the most advanced Voice over Internet Protocol (VoIP).
A2ZTEL has the right solution for all sizes of business.
a2zTEL Communications Inc
1255 Boul Laird
Montreal
Quebec ,H3P-2T1
Canada
Phone: 514-807-5163
Site: http://www.a2ztel.ca
Contact Person
Sales a2ztel / Sales
Phone: 514-807-5163
- Hardware
- Hosted VoIP billing service provider
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Network Service Provider
- SIP Billing
- Voip consulting
- Billing Software
- Call Routing VoIP Solutions
- Consultancy Services
- Gatekeepering
- H.323 Softswitch & CPE
- H.323 VoIP Gateway
- H.323 Wireless/ GSM VoIP Solutions
- Outsourced Billing
- PC to Phone
- Phone To PC
- Phone To Phone
- SIP Softswitch & CPE
- SIP VoIP Gateway
- Web Call
- Cisco Systems
- Clarent
- Lucent
- Mera
- NACT
- Quintum
- Billing system of own development
- Oracle Based own system
- PortaSIP
- ProfitBilling
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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