Dial
constructor(serviceId: String? = null, transport: DialSipTransport? = null, callHeaders: Map<String, String>? = null)
Parameters
service
Voice V2 service ID to use for the dial. If null, the project's default service is used.
transport
SIP transport protocol. If null, the Voice V2 platform selects the transport.
call
Custom headers included in the destination call setup. If null, no custom headers are included. At most 16 headers; each key must be a valid SIP header name (letters, digits and the characters `-.!%*_+`'~`) of at most 255 characters, and each value at most 255 characters.