Stockton-on-tees Borough Council · Awarded contract

Awarded

DA from NHS Link: IT Solutions 2 FW for Gamma SIP Trunk Service for Corporate Telephony 2026-2029

Awarded 30 Jun 2026

View live tenders

Awarded30 Jun 2026

Value£114,879.08

SupplierCisilion Limited

AgencyStockton-on-tees Borough Council

RegionNORTH EAST

CategoryTelecommunications

Expires in 2y 8mo3y term, 11% elapsed

Awarded 30 June 2026Expires 29 June 2029

About

Stockton and Darlington councils currently have a contract with Cisilion to provide a resilient SIP service to Xentrall Landing zone in Azure cloud of use by both.

This SIP service carries all incoming and outgoing external calls for the councils and terminates on resilient Ribbon Session Border Controllers that route calls to Teams Voice in Azure or the on-premises Netcall CRM's used by both council's Customer services departments.

These Ribbons servers are provided and supported by Cisilion in a separate contract.

This contract also includes the provision of the current DDI extension number ranges e.g.

01642 52xxxx for Stockton.

This DDI number provision also includes the Stockton "Gold Number" ranges which the council have had since the 80's.

Cisilion were essential with the migration to Gamma SIP as part of the previous contract and we have been happy with that support and the help they have provided since then.

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2 new telecommunications tenders

Cloud Telephony Framework for Digital Care Services – NHS England (Prior Information Notice)IT & Software · Closes 31 Mar 2027

Telecommunications Services Dynamic Purchasing System (60‑month) – Procurement Assist Limited / iFM BoltonTelecommunications · Closes 31 May 2029

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