Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C. An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing ''TLS negotiation failure''. What is causing this issue?
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?
Which attribute in the SDP for a call is affected by the static NAT address configuration in an Expressway-E?
Which dial plan component is configured in Expressway-C to route a call to the Cisco UCM?
Cisco media traversal technology has enabled a secure environment where internal video endpoints call and receive calls from external video endpoints. How does the Expressway-C and Expressway-E communicate?