Wholesale SIP
For our Wholesale SIP customers, we have a suite of documentation to support you. Please find on this page a variety of user guides, release notes and supporting information (including CDRs).
Wholesale SIP Release Notes
2026 Release Notes
API Decommissioning Release Notes:
- 18th July 2026 - Wholesale SIP Software AG (SAG) REST APIs decommissioning
- 18th July 2026 - Colt Voice Billing API Decommissioning
- 17th October 2026 - Wholesale SIP SOAP APIs, HTTPS endpoint URLs, and Address Validation REST APIs Decommissioning
2025 Release Notes
2024 Release Notes
2026 Release Notes
API Decommissioning Release Notes:
- 18th July 2026 - Wholesale SIP Software AG (SAG) REST APIs decommissioning
- 18th July 2026 - Colt Voice Billing API Decommissioning
- 17th October 2026 - Wholesale SIP SOAP APIs, HTTPS endpoint URLs, and Address Validation REST APIs Decommissioning
2025 Release Notes
2024 Release Notes
Wholesale SIP Guides
Wholesale SIP Guides
- API Developer Portal Guide - How to register, request for APPs and use the 'Try it out' feature
- Colt Number Coverage File
- Wholesale SIP Network Guide
- Wholesale SIP Service Matrix
- Wholesale SIP REST APIGee API Guide
API Developer Portal Video Guides
- How to authorise and Reserve using our APIs
- How to complete an Activation
- How to Port-in
- How to get Order Details
Numbers on Demand Guides
Numbers on Demand Video Guides
- What is Numbers on Demand?
- How to reserve a number
- How to activate a number
- How to port-in a number
- How to update the address of a number
Colt Online User Account Management Guide
User Guides for unrated CDRs
Twice daily unrated CDRs are available for the following products:
- IN services (Freephone, Shared Cost, IN Geo)
- Voice Line
- Voice Line (v) - unrated CDRs can be found under "IP Voice Line"
- SIP Trunking
- Carrier VoIP
- Geographic Number Hosting
- API Developer Portal Guide - How to register, request for APPs and use the 'Try it out' feature
- Colt Number Coverage File
- Wholesale SIP Network Guide
- Wholesale SIP Service Matrix
- Wholesale SIP REST APIGee API Guide
API Developer Portal Video Guides
- How to authorise and Reserve using our APIs
- How to complete an Activation
- How to Port-in
- How to get Order Details
Numbers on Demand Guides
Numbers on Demand Video Guides
- What is Numbers on Demand?
- How to reserve a number
- How to activate a number
- How to port-in a number
- How to update the address of a number
Colt Online User Account Management Guide
User Guides for unrated CDRs
Twice daily unrated CDRs are available for the following products:
- IN services (Freephone, Shared Cost, IN Geo)
- Voice Line
- Voice Line (v) - unrated CDRs can be found under "IP Voice Line"
- SIP Trunking
- Carrier VoIP
- Geographic Number Hosting