Voice over IP (VoIP)

Voice over IP (VoIP) defines a way to carry voice calls over an IP network including the digitization and packetization of the voice streams. IP Telephony utilizes the VoIP standards to create a telephony system where higher level features such as advanced call routing, voice mail, contact centers, etc., can be utilized.

Session Initiation Protocol (SIP) is a peer-to-peer, multimedia signalling protocol developed in the IETF. SIP is ASCII-based, resembling HTTP, and reuses existing IP protocols (DNS, SDP, etc.) to provide media setup and teardown. Since its first publication in 1999, SIP has generated a high level of interest in the VoIP industry, and many people believe that SIP will become the de facto standard protocol for future voice networks.

UST’s consultants maintain Cisco accreditations - including CCNA and CCNP - ensuring that our customers receive an excellent level of expertise. By utilising our range of highly skilled consultants in Cisco, Microsoft, and VMware, UST can facilitate smooth migration from the existing systems to a complete unified messaging suite.

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