SIP Trunking is a Voice over Internet Protocol (VoIP) service based on the Session Initiation Protocol (SIP) used to deliver telephone services to customers. VT’s SIP Trunk gets you out of conventional and inflexible solution and empowers you to add any number of trunk lines, from one to hundreds without any addition of hardware at your premises. VT’s 24×7 support ensures up-gradation of services at all times that requires few commands at its switch.


Vision telecom’s SIP trunks are able to provide your business with many benefits, the most common, and perhaps the most important of which includes a reduction in on-going phone costs. Vision Telecom provides SIP services at a lower rental charges than other standard analogue or digital telephone lines plus have the added benefit off routing calls off the traditional phone network providing telephone call savings.

SIP Trunking also has the benefit of being able to operate without geographic telephone number constraints, area telephone number codes able to function freely in any location where a data connection is available.

SIP Trunk