tests: Allow for longer timeout for sending DTMF
tests: Allow for longer timeout for sending DTMF

tieto/farstream,tieto/farstream,kakaroto/farstream,tieto/farstream,shadeslayer/farstream,shadeslayer/farstream,pexip/farstream,pexip/farstream,shadeslayer/farstream,shadeslayer/farstream,kakaroto/farstream,kakaroto/farstream,pexip/farstream,tieto/farstream,tieto/farstream,pexip/farstream,kakaroto/farstream