Home / Servers / OpenAI API / refer_live_session

Transfer call

An MCP tool from the OpenAI API server, hosted on mcp.hjlabs.in.

Transfer call Transfer a SIP call to another destination. Supply a nonblank target_uri for the SIP Refer-To header. [POST /live/sessions/{session_id}/refer]

Name on the gateway: openai_api__refer_live_session · may change things.

Parameters

NameTypeDescription
session_id requiredstringOpaque Live session identifier from the creation response…
target_uri requiredstringNonblank URI for the SIP Refer-To header, such as tel:+14155550123 or…

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "openai_api__refer_live_session",
  "arguments": {
    "session_id": "…",
    "target_uri": "…"
  }
}

Or connect the OpenAI API server directly, which lists 371 tools including this one:

Run in your terminal
claude mcp add --transport http hj-openai-api https://mcp.hjlabs.in/mcp/openai-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the transfer call tool with session_id set to ….

More from OpenAI API