DTMF should be sent with keyboard

pressing the keyboard should send DTMF in sip calls

changed milestone to %Later

changed milestone to %Backlog

removed milestone %Backlog

added SIP label

changed time estimate to 1d

assigned to @sblin and unassigned @mzhang

added SprintTo review label

mentioned in commit 8e41d346

closed

removed SprintTo review label

mentioned in issue #631 (closed)

mentioned in issue #718 (closed)

mentioned in issue #929 (closed)