An engineer is deploying an Expressway solution for the SIP domain Cisco.com. Which SRV record should be configured in the public DNS to support inbound B2B calls? 

Answer options:

A. _collab-edge._tls.cisco.com
B. _cisco-uds._tcp.cisco.com
C. _sip._tcp.cisco.com
D. _cuplogin._tcp.cisco.com

C

Reference: https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2018/pdf/BRKCOL-2018.pdf