Gamma SIP Trunks API

The aim of the Gamma SIP Trunks API is to allow client applications to submit web service requests for the automated provisioning of endpoints on Gamma’s SIP network, for viewing Gamma SIP Trunks Services, and for completion of in-life changes to the resulting endpoint builds.


The Gamma SIP Trunks API can be accessed via the following URLS:

URL Description The QA environment. Whilst development against these web services is in progress, all requests should be sent to this URL The production environment

Authorisation and Authentication

The Gamma SIP Trunks API performs authorization using the following credentials:

These are defined as header elements in the HTTP request. The username and password credentials will be provided by Gamma Support and will be specifically for this system. The ClientId is the integer value that represents the user’s organization within the Gamma system.

Users must request authentication credentials from Gamma Support.


The specification for the Gamma SIP Trunks API can be downloaded here.