Refer to the exhibit.
voice service saf
profile trunk route 1
session protocol sip interlace Loopback 1 transport tcp port 5060
!
profile dn-block 1 alias-prefix 1972555
pattern 1 type extension 4XXX
!
profile callcontrol 1
dn service
trunk-route 1
dn-block 1
!
channel 1 vroutcr SAF asystem 1
subscribe callcontrol wildcarded
publish callcontrol 1
When a Cisco Unified Communications Manager Express advertises the directory number pattern in the exhibit, what would the learned pattern be in the RTMT tool on the Cisco Unified Communications Manager?