OPUS BUSINESS SYSTEMS LIMITED

Gamma SIP Trunk Call Manager

Gamma SIP Trunks provide IP‑based phone lines connecting a PBX to the Gamma network for resilient, flexible inbound/outbound calling and business continuity.

SIP Trunk Call Manager adds advanced inbound call control, routing, continuity tools and user‑managed features via portal/mobile app.

Features

• Dual‑site resilient SIP endpoints for automatic failover.
• Active/standby endpoint routing for uninterrupted call service.
• Load‑sharing across diverse SBC clusters for balanced traffic.
• Next‑generation IP PSTN access for inbound and outbound calls.
• High‑availability SLA delivering up to 99.99% uptime.
• Advanced real‑time statistics for reporting and management.
• Instant call‑routing changes via web portal or mobile app.
• Time‑based, caller‑ID and geographic routing options.
• Automatic failover and disaster‑recovery call redirection.
• Centralised control of inbound numbers with user permissions.

Benefits

• Maintain operations seamlessly using resilient automatic failover across exchanges.
• Balance workloads efficiently through intelligent load‑sharing across SBC clusters.
• Keep communications stable using dual‑endpoint active/standby architecture.
• Improve continuity with resilient multi‑site SIP endpoint capabilities.
• Reduce disruptions with industry‑leading uptime of up to 99.99%.
• Quickly adjust call routing using web portal or mobile app.
• Activate business‑continuity call plans instantly during outages.
• Optimise inbound handling with time‑based and geographic routing options.
• Centralise number management to streamline daily operational tasks.
• Make informed decisions using advanced real‑time call statistics.

Service documents

• Pricing document

  PDF

• Service definition document

  PDF

• Terms and conditions

  PDF

Request an accessible format

If you use assistive technology (such as a screen reader) and need versions of these documents in a more accessible format, email the supplier at bid@opustech.co.uk. Tell them what format you need. It will help if you say what assistive technology you use.

Framework

G-Cloud 15

Service ID

278775597277534

Contact

Jenny Critchfield
02085457121
bid@opustech.co.uk

About your service

• Service categories:

  Applications

  Collaborative

  • Enterprise community
  • Team collaboration
• Multi cloud support: Yes

Service scope

• Software add-on or extension: Yes, but can also be used as a standalone service
• What software services is the service an extension to: SIP extends and enhances software services for Microsoft real‑time communications, the IP Multimedia Subsystem (IMS), web‑style application frameworks like HTTP, enterprise PBX/UC platforms (e.g., Cisco, Mitel, Lync/Teams), and advanced telephony services through RFC‑defined methods enabling richer call control, security, and multimedia session management.
• Cloud deployment model:
  • Public cloud
  • Private cloud
  • Hybrid cloud
• Service constraints: The service requires SIP‑compatible telephony systems and may need dual IP addresses for resilient configurations. Performance depends on the buyer’s underlying connectivity and correct PBX configuration to enable failover and load‑sharing. Planned maintenance windows may briefly affect availability. SIP Trunk Call Manager must run on Gamma SIP Trunks and all routing changes must be made through the portal or app. Advanced features rely on accurate call‑plan setup and only support specific number ranges. Reporting functions depend on all inbound numbers being routed through the platform.
• System requirements:
  • PBX must fully support SIP protocol for trunk connectivity.
  • Customer telephony system must accept two SIP endpoint IP addresses.
  • Adequate bandwidth required to support projected call volumes.
  • Compatible codecs required, including G.711 and G.729 support.
  • SBC or PBX must support active/standby routing.
  • SBC must support load‑sharing across SIP endpoints.
  • Access to STCM portal or mobile app required.
  • Inbound numbers must route through STCM for full functionality.
  • VoIP infrastructure must support DTMF signalling.
  • Customer environment must support secure SIP signalling methods.

User support

• Email or online ticketing support: Yes
• Support response times: Alongside 24/7 telephone assistance, we provide convenient email support. During core hours (08:30–17:30, Monday–Friday, excluding bank holidays), buyers can report issues to customerservice@opustech.co.uk. On receipt, our Operations Service Desk logs the ticket in our Incident Management System, assigns priority, and sends an automated confirmation with your reference and details. From there, a technician begins triage and investigation, escalating seamlessly through first to fourth line if required. For critical P1 incidents outside core hours, we only accept phone calls so we can engage immediately. Responses adhere strictly to your contracted SLAs and performance targets.
• User can manage status and priority of support tickets: Yes
• Online ticketing support accessibility: EN 301 549
• Phone support: Yes
• Phone support availability: 24 hours, 7 days a week
• Web chat support: Yes
• Web chat support availability: 9 to 5 (UK time), Monday to Friday
• Web chat support accessibility standard: EN 301 549
• Web chat accessibility testing: Opus is currently running formal assistive‑technology user testing on our Service Desk online chat, the platform has been designed with accessibility in mind. Features such as browser‑based access, clear navigation, and compatibility with standard assistive tools (including screen readers and keyboard‑only navigation) support inclusive use. We continually review accessibility requirements and are committed to engaging assistive‑technology users in future testing cycles to further enhance usability and ensure a fully accessible support experience.
• Onsite support: Yes
• Support levels: Opus provides a flexible, scalable support model designed to meet the operational needs of organisations of all sizes. Core Business Hours Support (08:30–17:30, Monday–Friday) includes incident reporting via telephone, email, portal, or webchat, with all issues logged and prioritised using a P1–P4 severity framework. For customers requiring higher resilience, 24/7 support is available, ensuring rapid engagement for critical P1 faults and seamless escalation through multi‑level engineering teams.; ; Support can be delivered as Fully Managed or Co‑Managed, with optional services such as monitoring, release and update management, antivirus administration, supplier coordination, and change control. Pricing is fully tailored and based on the number of users and the level of cover required, allowing organisations to select an appropriate package without over‑committing resources.; ; Every customer benefits from a dedicated Account Director to oversee service delivery and a Solution Architect to ensure technical alignment and design assurance. Service Managers can be added where enhanced governance, regular service reviews, and deeper operational oversight are required. All services are supported by defined SLAs, transparent incident handling, and cloud and telephony expertise to ensure reliable, end‑to‑end performance for business‑critical communications.
• Support available to third parties: Yes
• AI chatbot: Yes

Onboarding and offboarding

• Getting started: Opus ensures users can confidently begin using SIP Trunk Call Manager through a clear, structured onboarding and training approach. We provide flexible delivery options to suit an organisations requirements, including remote interactive training, and tailored role‑based guidance for end‑users, operators, and administrators. To support ongoing adoption, we supply comprehensive user documentation such as guides, quick‑reference materials, and online courseware developed from years of experience delivering training across healthcare, government, education, and enterprise environments.
• Service documentation: Yes
• Documentation formats: PDF
• End-of-contract data extraction: When a SIP or SIP Trunk Call Manager (STCM) contract ends, users extract their data directly through the STCM web portal before service termination. Administrators can download call detail records, usage reports, number inventories, routing configurations, hunt group settings, and any advanced statistics available within the portal. The platform provides filtering tools to export data by number, trunk, date, or user, ensuring organisations can retain historical information. Routing plans, failover configurations, and numbering assignments can also be downloaded or copied from the system. If required, customers may request support from the service provider to supply bulk data exports, such as historical CDR archives or full number‑mapping datasets. Together, these features ensure organisations can retrieve all relevant service information before deactivation.
• End-of-contract process: Opus recognises that every partnership may eventually conclude, and we ensure this phase is managed with the same professionalism as all others. Our Exit Management Plan is designed to deliver a smooth, transparent transition that protects both parties—financially, operationally, and reputationally—while maintaining service continuity.; ; We will work closely with Buyers to minimise disruption and coordinate a seamless handover. Opus maintains an up-to-date inventory of communication assets and service levels, enabling us to create a tailored exit plan covering phased activities, resource allocation, and responsibilities.; ; A dedicated Exit Transition Manager from our Professional Services team will oversee the process, coordinating with the Buyer, suppliers, and internal teams, providing consistent updates through to full contract closure.; ; The exit plan will define roles and responsibilities, maintain ongoing service until cessation, outline post‑cessation support, detail work‑in‑progress, manage asset return, and ensure full documentation and data transfer. It will also cover phased decommissioning, risk and issue management, knowledge transfer, and regular progress reporting.; ; By following this structured approach, Opus ensures minimal disruption, clear communication, and a well‑managed, professional conclusion to our partnership.
• Documentation accessibility standard: WCAG 2.2 AAA

Using the service

• Web browser interface: Yes
• Supported browsers:
  • Microsoft Edge
  • Firefox
  • Chrome
  • Safari
  • Other
• Application to install: No
• Designed for use on mobile devices: Yes
• Differences between the mobile and desktop service: Gamma STCM is a web-based management service rather than an end-user calling application. On desktop, STCM provides full functionality, including configuration of SIP trunks, number management, routing rules, reporting, and administrative controls, accessed through a supported web browser. It is designed for operational and technical management tasks using a full interface and larger screen.; ; On a mobile, STCM can be accessed via a mobile browser, but functionality is limited and not optimised for complex configuration. Mobile access is typically suitable only for viewing information or basic checks, not full service administration.
• Service interface: Yes
• User support accessibility: None or don’t know
• Description of service interface: The Gamma STCM interface is a secure, web‑based management portal accessible through any standard browser. Administrators use it to configure and manage SIP trunking, monitor service status, adjust call routing, manage numbers, set resilience options, and view reporting such as call detail records. Access is controlled through authentication and role‑based permissions, with all administrative actions logged for auditing. The portal is optimised for desktop use to provide full functionality, while mobile browser access is available but limited and intended mainly for viewing rather than performing administrative changes.
• Accessibility standards: EN 301 549
• Accessibility testing: Based on publicly available service documentation for Gamma’s web-based management interfaces, including SIP Trunk Call Manager (STCM), there is currently no published evidence that formal interface testing has been carried out with users who rely on assistive technologies.; ; Gamma’s service descriptions do not reference completed usability testing involving assistive tools such as screen readers (for example JAWS, NVDA, or VoiceOver), screen magnifiers, alternative input devices, or voice navigation software. In addition, there is no publicly available accessibility conformance statement or declaration confirming testing against recognised standards such as WCAG 2.1 through real-world user testing.; ; The STCM interface is browser-based and therefore benefits from the native accessibility features provided by modern browsers, including keyboard navigation, text resizing, and compatibility with common assistive technologies. However, reliance on browser functionality alone does not constitute formal accessibility testing or certification.; Where accessibility assurance is required for regulatory or public sector compliance, customers are advised to request a current accessibility statement, roadmap, or evidence of testing directly from Gamma. Gamma may be able to provide clarification on ongoing accessibility improvements or future testing initiatives upon request.
• API: No
• Customisation available: Yes
• Description of customisation: Gamma STCM (SIP Trunk Call Manager) offers extensive customisation, enabling organisations to tailor telephony services to their operational needs. Administrators can configure SIP trunks, including credentials, host settings, authentication, and media parameters such as codec selection, ensuring compatibility with cloud or on‑premises PBX platforms.; ; Number management is fully flexible, supporting DID/DDI assignment, number porting, and outbound caller ID configuration. Call routing can be customised with dial plans, digit modifications, time‑of‑day rules, and emergency handling. Organisations can also configure resilience options, including primary and secondary paths, alternate routing, and continuity settings to maintain uptime.; Reporting tools allow creation of detailed call records, usage filtering, and automated alerts for issues or thresholds. Role‑based permissions support delegated administration with tailored dashboards and restricted views based on user responsibilities.; Overall, Gamma STCM provides extensive customisation across trunk configuration, numbering, routing, resilience, reporting, and administrative control, ensuring organisations can flexibly manage telephony behaviour while meeting operational and compliance requirements.

Scaling

• Independence of resources: Gamma STCM ensures individual users are not affected by the demand placed on the service by others through a combination of segmentation, prioritisation, and monitoring. Traffic is logically separated per customer, trunk, or user group, preventing cross-impact. Quality of Service (QoS) prioritises voice traffic to maintain call quality, while redundant paths and scalable infrastructure handle peak loads. Real-time monitoring and alerts detect congestion or unusual patterns, enabling proactive mitigation. Additionally, policies such as rate limits, call caps, and routing controls enforce fair usage. These measures together guarantee consistent performance and reliability for all users.

Analytics

• Service usage metrics: Yes
• Metrics types: SIP Trunk Call Manager is a value‑added service providing advanced inbound call control and business continuity features. It allows organisations to build simple or complex call‑routing plans, ensuring calls are never missed, even during outages. Users can manage routing through a web portal or mobile app, activate disaster‑recovery plans, and benefit from features such as time‑based routing, geographic routing, caller‑ID routing, aliasing for large numbering estates, and advanced call statistics.
• Reporting types: Real-time dashboards
• Resource tagging: No
• FOCUS resource tagging: No

Resellers

• Supplier type: Reseller providing extra support
• Organisation whose services are being resold: Gamma

Staff security

• Staff security clearance: Other security clearance
• Government security clearance: Baseline Personnel Security Standard (BPSS)

Asset protection

• Knowledge of data storage and processing locations: Yes
• Data storage and processing locations: United Kingdom
• User control over data storage and processing locations: No
• Datacentre security standards: Supplier-defined controls
• Penetration testing frequency: At least once a year
• Penetration testing approach: ‘IT Health Check’ performed by a CHECK service provider
• Protecting data at rest: Physical access control, complying with another standard
• Data sanitisation process: Yes
• Equipment disposal approach: Complying with a recognised standard, for example CSA CCM v4.0, CAS (Sanitisation) or ISO/IEC 27001
• Data sanitisation type:
  • Deleted data can’t be directly accessed / Cryptographic Erasure
  • Data Erasure
  • Explicit overwriting of storage before reallocation / Secure Erase
  • Physical Destruction / Hardware containing data is completely destroyed

Data importing and exporting

• Data export approach: In Gamma STCM, users can export data primarily through the web-based management portal. Administrators with the appropriate permissions can access call detail records (CDRs), usage reports, and configuration logs. Data can be filtered by trunk, user, date range, or call type to meet specific reporting needs. Once filtered, reports are typically exported in standard formats such as CSV or Excel for analysis or compliance purposes. For historical or audit-related data not directly accessible in the portal, customers can request assistance from Gamma support, ensuring secure delivery to verified contacts while maintaining accountability and traceability.
• Data export formats:
  • CSV
  • Other
• Other data export formats:
  • Excel - XLSX
  • PDF
• Data import formats:
  • CSV
  • Other
• Other data import formats:
  • Excel - XLSX
  • XML

Data-in-transit protection

• Data protection between buyer and supplier networks: Private network or public sector network
• Data protection within supplier network: TLS (version 1.2 or above)

Availability and resilience

• Guaranteed availability: Gamma ensures reliable, continuous telephony through redundant infrastructure and resilient SIP trunking. Geographically diverse data centres, multiple trunk paths, and load balancing minimise single points of failure and maintain call quality. The service is backed by a SLA with defined uptime targets, typically 99.9%, including performance metrics and remedies for outages. Continuous monitoring and proactive incident management detect and resolve issues rapidly, while trunk-level resilience features provide automatic failover and emergency routing. Together, these measures guarantee that customers experience high availability, uninterrupted service, and secure, reliable communications for business-critical operations.
• Approach to resilience: Available on request.
• Outage reporting: During an outage, Opus ensures customers receive clear, timely, and proactive communication to maintain confidence and minimise disruption. As soon as an incident is detected or reported, customers receive an automatic email acknowledgement confirming that the issue has been logged. This notification includes the assigned severity level and the corresponding SLA response thresholds, ensuring users understand the urgency and expected handling of the outage.; ; Throughout the investigation, Opus technicians provide regular progress updates, keeping customers informed of diagnostic findings, any identified root causes, and the steps being taken to restore service. This continuous communication ensures transparency and helps customers plan around the disruption.; ; Customers can also track the live status of their outage via the Opus Customer Portal, which displays real‑time incident information, current severity, timers, and any updates posted by the support team. This self‑service visibility means users are never left waiting for manual updates and can access the latest details whenever needed.; Together, these communication channels—automated notifications, technician updates, and real‑time portal visibility—ensure that Opus keeps customers fully informed throughout every outage, supporting effective service management and maintaining trust.

Identity and authentication

• User authentication needed: No
• Access restrictions in management interfaces and support channels: Management interfaces and support channels in Gamma are restricted to ensure only authorised personnel can access and modify systems. Role-Based Access Control (RBAC) enforces least-privilege permissions, while network restrictions limit access to trusted IPs or VPNs. Multi-Factor Authentication (MFA) adds identity verification for admin accounts. Support channels are limited to verified customer contacts, often using PINs or identity checks. All administrative and support actions are logged and audited, with alerts for unusual activity. Segregation of duties ensures critical changes require multi-user verification, protecting the service from unauthorised access or misconfiguration.
• Access restriction testing frequency: At least every 6 months
• Management access authentication:
  • Multi-Factor Authentication (MFA)
  • Username or password
  • Other
• Description of management access authentication: Gamma authenticates access to management interfaces and support channels using multiple layers of security. All users have unique credentials with strong password policies, while Multi-Factor Authentication (MFA) is required for administrators and privileged accounts. Role-Based Access Control (RBAC) ensures users can only access functions necessary for their role. Access is further restricted by trusted IP addresses, corporate VPNs, or approved devices, and idle sessions are automatically logged out. All login attempts are monitored and audited, with alerts for suspicious activity. This combination of measures ensures secure, accountable, and traceable access across the service.

Audit information for users

• Access to user activity audit information: Users have access to real-time audit information
• How long user audit data is stored for: User-defined
• Access to supplier activity audit information: Users contact the support team to get audit information
• How long supplier audit data is stored for: User-defined
• How long system logs are stored for: At least 12 months

Security governance

• Named board-level person responsible for service security: Yes
• Security governance certified: Yes
• Security governance standards: ISO/IEC 27001
• Information security policies and processes: Opus and Gamma follow robust, independently audited information security frameworks designed to protect customer data, ensure service integrity, and maintain regulatory compliance.; ; Opus operates a fully certified Information Security Management System, holding ISO 27001, ISO 9001, ISO 14001, Cyber Essentials, Cyber Essentials Plus, and NHS DSPT (Standards Exceeded). Its security policies include Information Security, Risk Assessment, Data Classification, Data Retention, and Incident Response. Opus conducts annual risk assessments aligned to ISO/IEC 27001, maintains documented IT security procedures, and follows structured processes for incident recording, escalation, continual improvement, and business continuity in accordance with ISO/IEC 27002 and ISO 22301.; ; Gamma follows a formally governed, ISO/IEC 27001‑certified Information Security Management System supporting its Operator Connect service. Its policies include Information Security, Incident Management, Acceptable Use, Access Control, Data Protection, Confidential Data Handling, Backup, and Business Continuity. Gamma maintains board‑level security oversight, applies recognised personnel screening standards, and is supported by Cyber Essentials and Cyber Essentials Plus certifications.; ; Together, Opus and Gamma provide a secure, standards‑aligned environment with strong governance, risk management, and compliance processes.
• Software Security Code of Practice: No

Operational security

• Configuration and change management standard: Supplier-defined controls
• Configuration and change management approach: Opus maintains a structured configuration and change management framework to ensure all service components are tracked and securely assessed before modification. Baseline configurations for all systems are documented, updated, and monitored throughout their lifecycle, with reviews to ensure alignment with security requirements. A central configuration database records customer environments for accurate tracking. Changes follow an ITIL‑aligned process, with every request logged and documented. Each change undergoes risk and security‑impact assessment, covering affected assets and control implications, and requires approval from authorised roles before implementation. Version control, audit trails, and updated documentation ensure secure, controlled, and traceable system evolution.
• Vulnerability management type: Supplier-defined controls
• Vulnerability management approach: Opus operates an ISO 27001‑aligned vulnerability management process combining automated scanning, penetration testing, and annual information‑security risk assessments. Automated tools identify system weaknesses, with scheduled scans prioritising high‑risk issues for rapid remediation. Penetration testing simulates cyberattacks to uncover exploitable gaps, while Microsoft 365 security audits strengthen cloud configurations. Threat intelligence comes from scanning tools, pen‑test findings, configuration reviews, Cyber Essentials/Plus requirements, and ISO 27001 monitoring activities. Although specific patch timelines are not documented, Opus follows risk‑based prioritisation to deploy updates promptly, ensuring vulnerabilities are addressed quickly and controls remain effective.
• Protective monitoring type: Supplier-defined controls
• Protective monitoring approach: Opus uses multiple protective monitoring measures to detect and respond to potential compromises. Automated vulnerability scans, Microsoft 365 security audits, and penetration testing identify weaknesses or abnormal activity across systems. Opus’ ISO 27001‑aligned ISMS provides continuous risk and incident monitoring, feeding findings back into security controls. When a potential compromise is detected, incidents are logged, assessed, and escalated through Opus’ formal incident‑management process, ensuring rapid investigation and remediation. Response times align with Cyber Essentials Plus and ISO 27001 expectations for timely action on high‑risk issues.
• Incident management type: Supplier-defined controls
• Incident management approach: Opus operates a predefined incident process with automatic logging, severity assignment, and SLA‑driven response thresholds. Common events are handled through standardised workflows in the Incident Management System (IMS). Users report incidents via email (auto‑converted to P4), by phone—bypassing auto‑attendants for rapid logging—or through the Opus Customer Portal, which also provides real‑time status visibility. Incidents are monitored on wallboards, with Level 1–2 cases triggering immediate alerts and escalation to senior managers. Incident reports and acknowledgements are automatically issued by email, with full tracking available through the portal.
• Post-quantum cryptography secure: No

Secure development

• Approach to secure software development best practice: Independent review of processes (for example CESG CPA Build Standard, ISO/IEC 27034, ISO/IEC 27001 or CSA CCM v4.0)

Public sector networks

• Connection to public sector networks: Yes
• Connected networks:
  • Public Services Network (PSN)
  • Joint Academic Network (JANET)
  • Health and Social Care Network (HSCN)

Pricing

• Discount for educational organisations: No
• Free trial available: No

Discount percentage by annual call-off contract value (excluding VAT)

• Less than £250,000: 0%
• Between £250,000 and £500,000: 0%
• Between £500,001 and £1,000,000: 0%
• Between £1,000,001 and £2,500,000: 0%
• Between £2,500,001 and £5,000,000: 0%
• Over £5,000,001: 0%

Non-mandatory Standards and certifications

• ISO/IEC 27001 certification: Yes
• Who accredited the ISO/IEC 27001: Approachable Certification
• ISO/IEC 27001 accreditation date: Tuesday 27 July 2027
• What the ISO/IEC 27001 doesn’t cover: Everything is covered
• ISO 28000:2022 certification: No
• ISO 9001 certification: Yes
• Who accredited the ISO 9001 certification: Approachable Certification
• ISO 9001 accreditation date: Friday 1 December 2023
• What the ISO 9001 doesn’t cover: Everything is covered
• Quality management systems (QMS): Yes
• CSA STAR certification: No
• PCI certification: No
• Cyber essentials: No
• Cyber Essentials Alternative: None of the criteria
• Cyber essentials plus: Yes
• Please provide your Cyber Essentials Plus Certificate Number: De7de48a-322f-4b14-b4ee-6069f39992ee
• Other security certifications: No

Social value

• Section B - Commitment for Future: Delivery:

  • Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.

    Policy Outcome 1: Fair work: That offers fair wages and good working conditions. Help people get a job, stay in work, and progress in their careers, with good employment opportunities across the country. Notes: Where there is a large proportion of labour costs in the contract, commercial teams should consider MAC in Outcome 1 as a priority

    • Activities that support an environment where staff are educated about and feel empowered to report and address bullying and harassment
    • Payment of more than the National Minimum Wage or National Living Wage (as appropriate) to the contract workforce
    • Volunteering opportunities for staff
    • Understanding of the modern slavery risks and issues affecting the market, industry, sector or country (of origin or of source) relevant to the contract, and the workforce in the supplier’s own organisation and those of its key subcontractors

  • Mission: Kick start economic growth. To secure the highest sustained growth in the G7 - with good jobs and productivity growth in every part of the country making everyone, not just a few, better off.

    Policy Outcome 3: Resilient, innovative and flexible supply chains: Support economic growth through enabling resilient businesses, opportunities for small businesses and voluntary, community and social enterprises

    • Plans for positive actions with community groups.

  • Mission: Build an NHS fit for the future: That is there when people need it; with fewer lives lost to the biggest killers; in a fairer Britain, where everyone lives well for longer.

    Policy Outcome 8: Increasing productivity through physical and mental wellbeing: In the supply chain and communities in the relevant area.

    • Understanding of issues relating to health and wellbeing, including physical and mental health, in the contract workforce

Service documents

• Pricing document

  PDF

• Service definition document

  PDF

• Terms and conditions

  PDF

Request an accessible format

If you use assistive technology (such as a screen reader) and need versions of these documents in a more accessible format, email the supplier at bid@opustech.co.uk. Tell them what format you need. It will help if you say what assistive technology you use.