Voximplant has SIP connectivity that enables VoIP calls between your Voximplant application and your private PBX.
To make a call, you need to use the VoxEngine.callSIP function. Basic usage requires providing the SIP URI that you want to call this way:
By default, calls are made using UDP as transport. TCP transport can be enabled by specifying it in the SIP URI:
You can also enable TLS for your SIP calls by adjusting the URI:
Extra parameters like From header, SIP authentication, etc. may be specified by passing the CallSIPParameter structure.