Session.prack() method

Send PRACK request. Acknowledge a reliable provisional response. https://tools.ietf.org/html/rfc3262\#section-4

Signature:

prack(delegate?: OutgoingRequestDelegate, options?: RequestOptions): OutgoingPrackRequest;

Parameters

Parameter	Type	Description
delegate	`OutgoingRequestDelegate`	Request delegate.
options	`RequestOptions`	Options bucket.

Returns:

OutgoingPrackRequest