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?
Yeah, that makes sense to me. The _collab-edge._tls.cisco.com SRV record is specifically used to identify the Expressway as the edge device for B2B calling. The other options don't seem to be directly related to the Expressway functionality.
Haha, good one! But seriously, I think we need to look at the details more closely. The question specifically mentions 'inbound B2B calls', so that's the key focus.
Okay, let's think this through. The options are _collab-edge._tls.cisco.com, _cisco-uds._tcp.cisco.com, _sip._tcp.cisco.com, and _cuplogin._tcp.cisco.com. Based on what we know, I think the correct answer is _collab-edge._tls.cisco.com.
Haha, that's a good point, Lisa. They probably wanted to throw in a curveball just to keep us on our toes. But I think we've got this one figured out. The _collab-edge._tls.cisco.com SRV record is the way to go.
Yeah, that's the crucial part. I'm leaning towards option A, '_collab-edge._tls.cisco.com', since it seems to be specifically related to the Expressway solution and B2B calls.
Okay, let's think this through. We're looking for the SRV record that supports inbound B2B calls in the Cisco.com SIP domain, right? That's the key information we need to focus on.
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