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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
| Name | Type | Description |
|---|---|---|
session_id required | string | Opaque Live session identifier from the creation response… |
target_uri required | string | Nonblank 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:
{
"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:
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 ….