BG tell Bulgaria
General office
BG tell
6 Samuil Str.
Sofia, Varna, Plovdiv, Veliko Tu
,5000
Bulgaria
Phone: +359 62 600 677
Site: http://www.bg-tel.bg
BG tell
6 Samuil Str.
Sofia, Varna, Plovdiv, Veliko Tu
,5000
Bulgaria
Phone: +359 62 600 677
Site: http://www.bg-tel.bg
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Hosted VoIP billing service provider
- Internet VoIP and Video Conferencing Service Provider
- Wireless Broadband
- Voip Termination ISP
- VoIP Billing Software Provider
- Network Service Provider
- Voip consulting
- Hardware
- Phone To Phone
- Phone To PC
- Fax To Fax
- Gatekeepering
- Termination
- Billing Software
- Call Relay VoIP Solutions
- Consultancy Services
- Installation and Support Services
- H.323 Wireless/ GSM VoIP Solutions
- H.323 Softswitch & CPE
- Cisco Systems
- Billing system of own development
Session Initiation Protocol (SIP) is a text-based standard put in place by the Internet Engineering Task Force (IETF) and is the primary protocol for Voice over Internet Protocol services. SIP is similar to a MGCP in that it's a signaling protocol that can create, maintain and terminate sessions in IP-based networks. These sessions include multimedia conferencing and two-way phone calls. SIP protocol can run on User Datagram Protocol (UDP), Stream Control Transmission Protocol (SCTP) and Transmission Control Protocol (TCP) because it was created to function independently from the underlying Transport Layer as an Application Layer.
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