Unlike in traditional telephony, where bundles of physical wires are delivered from the service provider to a business, a SIP trunk allows a company to replace these traditional fixed PSTN lines with a SIP trunk over an IP based transport network.SIP Trunk connects a private business-class phone system with an IP based PSTN.
· Corporate Tunes: Signature Tunes on SIP Trunk allows customization of CRBT ( caller ring back tone) through a simple service request.
· DID/DOD functionality
· Basic Emergency Services - Number Translation Services to divert to nearest Emergency Help Centres (eg. 100, 101)
· Scalability on a single link from 20 simultaneous calls to 1500 simultaneous calls.
· Pooling of free call value (FCV) available on SIP Trunk rental schemes as well to help with optimal utilization of FCV
· Additional DID on chargeable basis