Class TelephonyTransferCall (2.9.1) 

TelephonyTransferCall(mapping=None, *, ignore_unknown_fields=False, **kwargs)

Transfers the call in Telephony Gateway. .. attribute:: phone_number

Required. The phone number to transfer the call to in E.164 format <https://en.wikipedia.org/wiki/E.164>__.

We currently only allow transferring to US numbers (+1xxxyyyzzzz).

:type: str