Provision and Support of SIP Trunking service

Thurrock Council currently has a Mitel IP telephony solution that supports the Council sites and a number of third parties. The solution consists of Thurrock owned onsite hardware, with a resilient backup instance in a remote data centre. The platform is supported by a third party organisation. The Mitel platform connects into a resilient SIP trunking service. This tender is for a replacement of the existing SIP trunking service. The key requirements for the winning bidder will be: ? Best value cost model ? Support for the full range of Mitel calling features ? Standardised SIP platform that will allow for easy migration at the end of the contract term