This is the configuration on the voice gateway:
telephony-service
max-ephones 30
max-dn 60 preference 0
srst mode auto-provision all
srst dn line-mode dual
srst dn template 3
srst ephone description srst fallback auto-provision phone

srst ephone template 5
Which ephone-dn would be expected upon activation of SRST?

A.
ephone-dn 1 dual-line
number 7001
description 7001
name 7001
ephone-dn-template 5
This DN is learned from srst fallback ephones

B.
ephone-dn 1 dual-line
number 7001
description 7001
name 7001
ephone-dn-template 3
This DN is learned from srst fallback ephones

C.
ephone-dn 1
number 7001
description 7001
name 7001
ephone-dn-template 5
This DN is learned from srst fallback ephones

D.
ephone-dn 1
number 7001
description 7001
name 7001
ephone-dn-template 3
This DN is learned from srst fallback ephones