Skycall South Africa
- Hosted VoIP billing service provider
- Partnering for Origination and Termination
- Quintum
- PortaSIP
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.
Continent Telecom Ltd.
Continent Telecom Ltd offers local phone numbers (DID) in 90 countries of the world.
Call forwarding to your mobile or landline phone. Forwarding to SIP and Skype is free. Fax forwarding to your e-mail.
Top countries:
United States 1294
India 440 United Kingdom 425
Canada 348
Bangladesh 338
China 142
Pakistan 134
Australia 133
Spain 123
Russia 114View all countries