COLT TECHNOLOGY SERVICES

Colt SIP Trunking

Colt SIP Trunking service provides Connectivity to customers who want to take advantage of consolidating their data and telephony services into a single or diverse connection to the PSTN in a secure and resilient manner.

Features

• Operational efficiencies through voice and data convergence
• Cost control
• Security
• Integration
• Management
• PBX interconnectivity

Benefits

• Reduced communication costs
• Certified interoperability with all main IP PBX vendors
• Detailed performance Reporting
• No traditional telephony features are left behind
• Colt has the highest NPS in this sector

• Free trial available

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 mark.sexton@colt.net. Tell them what format you need. It will help if you say what assistive technology you use.

Framework

G-Cloud 15

Service ID

453438105637076

Contact

Mark Sexton
+442079471654
mark.sexton@colt.net

About the service

• Service categories:

  Applications

  Enterprise resource management

  • Enterprise performance management
• Multi cloud support: Yes

Service scope

• Software add-on or extension: No
• Cloud deployment model: Hybrid cloud
• Service constraints: None
• System requirements: None

User support

• Email or online ticketing support: Yes
• Support response times: 4 hour response time.
• User can manage status and priority of support tickets: No
• Phone support: Yes
• Phone support availability: 24 hours, 7 days a week
• Web chat support: No
• Onsite support: Yes
• Support levels: On-Net - 4 Hour Target Time to Repair for Service affecting faults; Off-Net - 8 Hour Target Time to Repair for Service affecting faults; Fibre ULL - 8 Hour Target Time to Repair for Service affecting faults; Premium DSL - 8 Hour Target Time to Repair for Service affecting faults; Business DSL - 12 Hour Target Time to Repair for Service affecting faults; Standard DSL - 24 Hour Target Time to Repair for Service affecting faults
• Support available to third parties: No

Onboarding and offboarding

• Getting started: You will the external user guide under Colt online. ; There is as well an activation support available, but is a chargeable feature.
• Service documentation: Yes
• Documentation formats:
  • HTML
  • PDF
  • Other
• Other documentation formats: Word
• End-of-contract data extraction: This would be via an agreed project with the customer
• End-of-contract process: At the end of contract services would either proceed onto a rolling term or be terminated, with the customer having the ability to port numbers onto a replacement service.
• Documentation accessibility standard: None or don’t know
• How the documentation is accessible: Via the Colt Online customer portal or email if needed

Using the service

• Web browser interface: Yes
• Supported browsers:
  • Microsoft Edge
  • Firefox
  • Chrome
  • Safari
  • Opera
• Application to install: No
• Designed for use on mobile devices: Yes
• Differences between the mobile and desktop service: Mobile view: Only menu part and table view is not there in the services part.
• Service interface: Yes
• User support accessibility: None or don’t know
• Description of service interface: Services can only be checked via Colt Online
• Accessibility standards: WCAG 2.2 AA
• Accessibility testing: None
• API: No
• Customisation available: No

Scaling

• Independence of resources: Dedicated colt Online login with specific users rights

Analytics

• Service usage metrics: Yes
• Metrics types: Network and ; Number of active instances
• Reporting types: Real-time dashboards
• Resource tagging: No
• FOCUS resource tagging: No

Supplier type

• Supplier type: Not a reseller

Staff security

• Staff security clearance: Conforms to BS7858:2019
• Government security clearance: Developed Vetting (DV)

Asset protection

• Knowledge of data storage and processing locations: Yes
• Data storage and processing locations:
  • United Kingdom
  • European Economic Area (EEA)
  • Other locations
• User control over data storage and processing locations: Yes
• Datacentre security standards: Managed by a third party
• Penetration testing frequency: At least once a year
• Penetration testing approach: Another external penetration testing organisation
• Protecting data at rest:
  • Encryption of all physical media
  • Scale, obfuscating techniques, or data storage sharding
• Data sanitisation process: Yes
• Equipment disposal approach: A third-party destruction service
• Data sanitisation type: Explicit overwriting of storage before reallocation / Secure Erase

Data importing and exporting

• Data export approach: This would be via an agreed project with the customer
• Data export formats: CSV
• Data import formats:
  • CSV
  • ODF

Data-in-transit protection

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

Availability and resilience

• Guaranteed availability: Target Service Availability; ; SIP Trunking Platform only 99.99 % *; (*The target service availability for the SIP Trunking Platform applies only Converged Service and does not include a Dedicated Connection. Periods of unavailability caused by faults on the Customer’s separate data service will not be included in the service availability calculation for the SIP Trunking platform.); ; Service credits for the Service Availability Agreement; Colt SIP Trunking services ; (% points below target Service Availability on an annual basis) ; 0% and <= 0.5 % 5 % of the annual Servic charge; ; please see detailed table in Terms and conditions file
• Approach to resilience: There are resilience options available, these can be discussed as required.
• Outage reporting: Not Applicable

Identity and authentication

• User authentication needed: Yes
• User authentication:
  • Multi-Factor Authentication (MFA)
  • Public key authentication (including by TLS client certificate)
  • Username or password
• Access restrictions in management interfaces and support channels: MFA via 2FA mobile, email. ; ; SSO build behind a specific domain via the customer own SSO : https://coltonlinehelp.colt.net/colt-online-single-sign-on-onboarding/; ; Sales/CRM setup the user behind Salesforce. Once created customer can setup user via username and password
• Access restriction testing frequency: At least once a year
• Management access authentication:
  • Multi-Factor Authentication (MFA)
  • Public key authentication (including by TLS client certificate)
  • Limited access network (for example PSN)
  • Dedicated link (for example VPN)
  • Username or password

Audit information for users

• Access to user activity audit information: Users contact the support team to get audit information
• How long user audit data is stored for: At least 12 months
• Access to supplier activity audit information: Users contact the support team to get audit information
• How long supplier audit data is stored for: At least 12 months
• 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: Multiple Security policies and standards are maintained to support the ISMS which includes information security policy and approx. 50 supporting standards.
• Software Security Code of Practice: No

Operational security

• Configuration and change management standard: Complies with a recognised standard, for example CSA CCM v4.0 or SSAE-18 / ISAE 3402
• Configuration and change management approach: All changes are tracked and all changes are required to follow Change management process which includes testing carried out and backout plan.
• Vulnerability management type: Complies with a recognised standard, for example CSA CCM v4.0 or SSAE-18 / ISAE 3402
• Vulnerability management approach: A continuous vulnerability management process is maintained, which includes scanning and patch deployment. Reaction to threats can be implemented within 48hrs if required and threat sources are provided by authorities, agencies , commercial companies and vendors.
• Protective monitoring type: Supplier-defined controls
• Protective monitoring approach: A continuous monitoring process is maintained , managed by our SCOC which is manned 24/7. Potential incidents are alerted to and responded to as near real-time as possible.
• Incident management type: Complies with a recognised standard, for example, CSA CCM v4.0 or ISO/IEC 27035:2011 or SSAE-18 / ISAE 3402
• Incident management approach: Managed by CSOC function with incident manager assigned to incident with the following functions included Preparation, Detection & Analysis, Containment, Eradication, Recovery, and Lessons Learned. Incident updates to customers by the account team in the first instance and followed up by incident manager supplying further detail during incident. Incidents can be reported by incident portal or account team.
• Post-quantum cryptography secure: Yes

Secure development

• Approach to secure software development best practice: Conforms to a recognised standard, but self-assessed

Public sector networks

• Connection to public sector networks: No

Pricing

• Discount for educational organisations: No
• Free trial available: Yes
• Description of free trial: If you wish to test our SIP Trunking product, then please contact your Account Executive who will specifically check the SIP Trunking Test Account availability. If an account is available your Account Executive will provide you with a SIP Test Account Configuration Sheet.

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

• Less than £250,000: 5%
• Between £250,000 and £500,000: 15%
• Between £500,001 and £1,000,000: 20%
• Between £1,000,001 and £2,500,000: 20%
• Between £2,500,001 and £5,000,000: 20%
• Over £5,000,001: 20%

Standards and certifications

• ISO/IEC 27001 certification: Yes
• ISO/IEC 27001 accredited by: BSI (British Standards Institute)
• ISO/IEC 27001 accreditation date: Sunday 27 April 2025
• What the ISO/IEC 27001 doesn’t cover: N/A
• ISO 28000:2022 certification: No
• ISO 9001 certification: Yes
• ISO 9001 certification accredited by: BSI (British Standards Institute)
• ISO 9001 accreditation date: Thursday 9 October 2025
• What the ISO 9001 doesn’t cover: The Colt ‘ISO9001 Certificate Scope Statement’ covers the ‘Sales and support of global network services, voice services and integrated solutions services, including management of shared infrastructure and associated systems’. Although the Colt Quality Management System (ISO9001) documentation refers to the Colt Service Management (ISO2000-1), Business Continuity & Resilience (ISO22301), Environment (ISO14001), Information Security (ISO27001), Data Privacy (ISO27701) & Sustainability ESG Rating (Eco-Vadis) Systems, these all are covered & managed separately outside of the QMS
• Quality management systems (QMS): Yes
• CSA STAR certification: No
• PCI certification: No
• Cyber essentials: No
• Cyber Essentials Alternative: In relation to the services you do not have a current and valid Cyber Essentials certificate which has been awarded by one of the government approved Cyber Essentials accreditation bodies but you are working towards gaining it, and will be in a position to confirm that you have been awarded a current and valid Cyber Essentials certificate by one of the government approved accreditation bodies within 12 months of the date of award.
• Cyber essentials plus: No
• Cyber Essentials Alternative: In relation to the services you do not have a current and valid Cyber Essentials Plus certificate which has been awarded by one of the government approved Cyber Essentials accreditation bodies but you are working towards gaining it, and will be in a position to confirm that you have been awarded a current and valid Cyber Essentials Plus certificate by one of the government approved accreditation bodies within 12 months of the date of award.
• Other security certifications: Yes
• Any other security certifications: ISO27701

Social value

• 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

  • Providing opportunities for, and measuring and monitoring of, staff workforce conditions over time, including employee engagement, involvement in decision-making and satisfaction and adapting to any changes in the results, with clear processes for acting on issues identified
  • Plans to engage the contract workforce in deciding the most important workplace issues to address
  • Ensuring new workers are informed of their right to join a trade union
  • Monitoring of employee engagement rates (by protected characteristic) and, where necessary, the development of actions to ensure all voices are heard across the diversity of the workforce
  • Activities that support an environment where staff are educated about, and feel empowered to, address their physical wellbeing
  • Activities that support an environment where staff are educated about and feel empowered to report and address bullying and harassment
  • Activities to cascade good practice on fair working conditions throughout the supply chain
  • Offer a pay and leave entitlement to all eligible staff who become kinship carers, ideally equivalent to statutory adoption pay and leave
  • Payment of more than the National Minimum Wage or National Living Wage (as appropriate) to the contract workforce
  • Monitoring and reporting of gender and ethnicity pay gaps and plans to address them where necessary
  • Entitlement to sick pay for the contract workforce, with provision in place for any staff who do not meet the earnings threshold for statutory sick pay, payment of sick pay from day one of absence and payment of staff on the contract workforce who are off sick a replacement income of 100% of their usual earnings for as long as possible
  • Measures to support in-work progression to help people in the contract workforce, to move into higher paid work by developing new skills relevant to the contract
  • Support for the contract workforce by providing career advice, and providing opportunities for staff working on the contract with in-work progression career development into known skills shortages or high growth areas
  • Support for educational attainment relevant to the contract, including training schemes that address skills gaps and result in recognised qualifications
  • 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
  • Measures to identify, mitigate and manage modern slavery risks relating to the contract and how these will be implemented
  • Outline policies and practices to be applied to or put in place for the contract to mitigate and manage modern slavery risks, including: Pre-employment checks, recruitment practices. Workplace conditions, safeguarding plans and processes in place and regular monitoring with relevant groups considered, which may include sampling
  • How these flow down the supply chain and are monitored Illustrative examples include reporting, site visits, audits, etc.
  • How the supplier will work with NGOs, trade unions or other businesses to address modern slavery risk
  • Means of influencing staff, suppliers, customers, communities and/or any other appropriate stakeholders with respect to modern slavery risks relating to the contract

  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

  • Understanding of the types of businesses in the market and the level of participation by new businesses, entrepreneurs, start-ups, SMEs, VCSEs and mutuals
  • Activities to identify opportunities to open up sub-contracts under the prime contract to a diverse range of businesses, including new businesses, entrepreneurs, start-ups, SMEs, VCSEs and mutuals
  • Ensuring accessibility to contracting and subcontracting opportunities for disabled business owners and employees
  • Structuring of the supply chain selection process to ensure fairness (e.g. anti-corruption) and encourages participation by a diverse range of businesses, including with regard to new businesses, entrepreneurs, start-ups, SMEs, VCSEs and mutual
  • Plans for positive actions with community groups.
• Mission: Make Britain a clean energy superpower:

  To cut bills, create jobs and deliver security with cheaper, zero-carbon electricity by 2030, accelerating to net zero

  Policy Outcome 4: Sustainable procurement practices: Reducing carbon footprints, minimising waste, and promoting the use of clean energy and green technologies.

  • Understanding of opportunities for additional environmental benefits delivery in the performance of the contract, including working towards net zero carbon emissions and use of clean energy and green technologies
• Mission: Break down barriers to opportunity:

  By reforming our childcare and education systems, to make sure there is no class ceiling on the ambitions of young people in Britain

  Policy Outcome 6: Employment and training: For those who face barriers to employment

  • Understanding of employment and skills issues, and of the skills and employment shortages of high growth sectors relating to the contract
  • Delivery of training schemes and programmes to address any identified skills gaps and under-representation in the workforce for the contract (e.g. prison leavers, care leavers, kinship carers, disabled people)
  • Advertising, promotional and outreach activities designed to raise awareness of the offer to reach the target cohort
  • Understanding of the issues affecting the representation of disabled people in the workforce in the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors
  • Collection of the views and expertise of disabled people and their representative organisations on successfully supporting disabled employees or applicants
  • Inclusive and accessible recruitment practices, and retention-focused activities, including those provided in the Guide for line managers on recruiting, managing and developing people with a disability or health condition
  • Offering a range of quality opportunities with routes of progression if appropriate, e.g. T Level industry placements, students supported into higher level apprenticeships.
  • Working conditions which promote an inclusive working environment and promote retention and progression
  • Other measures to provide equality of opportunity for disabled people and those with health conditions into employment, including becoming a Disability Confident employer and inclusion of supported businesses in the contract supply chain
  • Understanding of the issues affecting inequality in employment, skills and pay in the market, industry or sector relevant to the contract, and in the supplier’s own organisation and those of its key sub-contractors. Measures to tackle inequality in employment, skills and pay in the contract workforce
  • Inclusive and accessible development practices, including guidance for line managers on recruiting, managing and developing people with a disability or health condition

  Policy Outcome 7: Creating a pipeline of opportunities: For the contract workforce, reducing barriers to entry for under-represented groups.

  • Understanding of the issues affecting the development of new skills by target cohort
  • Understanding of the underlying factors affecting improvements to reduce barriers to entry and training schemes for the target cohort(s) related to the contract workforce
  • Other measures to offer development opportunities for the target cohort(s) in the contract workforce
  • Advertising, promotional and outreach activities designed to raise awareness of the offer to reach the target cohort
  • Understanding of issues relating to entering the contract workforce
  • Creation of outreach activities to create a pipeline of employees for the future contract delivery
  • Content of the outreach activity is designed to suit the target cohort
  • Advertising, promotional and outreach activities designed to raise awareness of the offer to reach the target cohort
• 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
  • Understanding barriers to access to health and social care services or employment opportunities e.g. digital inclusion
  • Inclusive and accessible recruitment practices, development practices and retention policies that support-focused activities including those provided in the Guide for line managers on recruiting, managing and developing which support people with a disability or health condition
  • Actions to invest in the physical and mental health and wellbeing of 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 mark.sexton@colt.net. Tell them what format you need. It will help if you say what assistive technology you use.