Specifically designed for cloud voice service providers,

SIP Gateway offers a direct connection to Spark's IP voice network.

SIP Gateway enables cloud voice service providers to connect directly to Spark's IP voice platform via a Network-to-Network Interface (NNI). Built with the highest level of resilience, SIP Gateway ensures your customers experience high-quality voice calls consistently to and from Spark's voice network and our interconnect partners. 

Key benefits

Tier 1 carrier-grade

Leverage the same network as Spark's interconnect partners and experience consistently high-quality voice calls.


Connect directly with Spark's IP voice network without SIP registration and at multiple locations for interface redundancy.

Channel costs
based on usage

Minimise your channel costs while accessing unrestricted quantities of simultaneous voice sessions. Invoicing on a usage basis means no charges for unused sessions.

CLI pass-through
of all numbers

Pass through of Calling Line ID (CLI) of originating calls including numbers hosted by other carriers.


Connect directly into Spark's IT stack for speed and simplicity of provisioning.


Order blocks of numbers in advance via our online portal and activate as needed via API.