outgoing_call_start

Triggered when an outgoing call is initiated from your SIPSIM account. This is the first event in the outgoing call lifecycle — the call is being placed but the remote party has not yet answered.

When This Event Fires

• A user initiates an outgoing call from a SIPSIM phone or softphone
• A call is initiated via the API or click-to-call

Payload

Field	Type	Description
event	string	Always "outgoing_call_start"
caller	string	SIPSIM phone number placing the call
receiver	string	Destination phone number being called
time	string	Timestamp of the event
pbx_id	string	Unique call identifier in the PBX

Example Payload

{
  "event": "outgoing_call_start",
  "caller": "+33198765432",
  "receiver": "+33612345678",
  "time": "2025-01-15T14:00:00Z",
  "pbx_id": "call_def456"
}

Call Lifecycle

1. outgoing_call_start — call initiated
2. outgoing_call_answer — remote party answers
3. outgoing_call_end — call completed

Related Events

• outgoing_call_answer — when the remote party answers
• outgoing_call_end — when the call ends
• incoming_call_start — equivalent event for incoming calls