COLT ONLINE, NUMBERS ON DEMAND AND B2B APIS

User guides, release notes and CDRs

We would like to introduce Wholesale customers to our B2B interface: Colt Onlinearrow-up-right, which can be used for unrated CDR delivery for voice services (e.g. SIP Trunking, Wholesale SIP, Voice Line & IN services).

Here you have easy access to the Unrated CDR guide to facilitate the setup and usage of our tool: Colt Onlinearrow-up-right.

Wholesale SIP customers should now use our Numbers on Demand web interface or our B2B APIs in order to reserve & activate numbers and port-in numbers to Colt. Online help, user guides & video guides are available below.

Login to Colt Online

1. WHOLESALE SIP (NUMBER HOSTING) RELEASE NOTES

In reverse chronological order of release.

chevron-right2026hashtag
chevron-right2025hashtag
chevron-right2024hashtag
chevron-right2023hashtag
chevron-right2022hashtag
chevron-right2021hashtag
chevron-right2020hashtag

2. 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

ADDITIONAL DOWNLOADS

3. USER GUIDES FOR WHOLESALE SIP

chevron-rightCOLT NUMBER COVERAGE FILEhashtag
chevron-rightWHOLESALE SIP NETWORK GUIDEhashtag
chevron-rightWHOLESALE SIP SERVICE MATRIXhashtag
chevron-rightNUMBER HOSTING API GUIDEShashtag
chevron-rightUSER ACCOUNT MANAGEMENT GUIDEhashtag

4. USER GUIDES FOR NUMBERS ON DEMAND

chevron-rightWHAT IS NUMBERS ON DEMAND?hashtag
chevron-rightNUMBERS ON DEMAND GUIDEhashtag
chevron-rightHOW TO RESERVE A NUMBERhashtag
chevron-rightHOW TO PORT IN A NUMBERhashtag
chevron-rightHOW TO UPDATE THE ADDRESS OF A NUMBERhashtag
chevron-rightHOW TO ACTIVATE A NUMBERhashtag

Release Notes YAML & XSD files

chevron-right21st March 2026 Release Notes - YAML & XSD fileshashtag

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