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210-065 · Question #204

When manual discovery is used to register a Cisco TelePresence endpoint to a VCS via SIP, which two pieces of information are required to be configured on the endpoint for registration to occur…

The correct answer is B. SIP URI C. proxy address. For manual SIP registration to a VCS without DNS or TMS, the endpoint must know its own identity (SIP URI) and where to send the registration request (proxy address).

Endpoint Configuration

Question

When manual discovery is used to register a Cisco TelePresence endpoint to a VCS via SIP, which two pieces of information are required to be configured on the endpoint for registration to occur, assuming that Cisco TMS and DNS are not being used? (Choose two.)

Options

  • Aoption 150
  • BSIP URI
  • Cproxy address
  • DH.323 alias
  • Eexternal manager address
  • FRTP ports

How the community answered

(16 responses)
  • A
    6% (1)
  • B
    75% (12)
  • E
    13% (2)
  • F
    6% (1)

Why each option

For manual SIP registration to a VCS without DNS or TMS, the endpoint must know its own identity (SIP URI) and where to send the registration request (proxy address).

Aoption 150

DHCP option 150 is used for TFTP server discovery in CUCM deployments, not for VCS SIP registration.

BSIP URICorrect

The SIP URI is the endpoint's identity in SIP registration; without it the VCS cannot identify or authenticate the device.

Cproxy addressCorrect

The proxy address tells the endpoint where to direct its SIP REGISTER message - without this, the endpoint has no way to locate the VCS when DNS is not available to resolve server addresses.

DH.323 alias

H.323 alias is used for H.323 registration, not SIP registration to a VCS.

Eexternal manager address

External manager address is used to connect an endpoint to Cisco TMS, not for VCS SIP registration, and TMS is explicitly excluded in this scenario.

FRTP ports

RTP ports are used for media transport after a call is established and are not required for the SIP registration process itself.

Concept tested: Manual SIP endpoint registration to Cisco VCS

Source: https://www.cisco.com/c/en/us/support/unified-communications/telepresence-video-communication-server-vcs/products-maintenance-guides-list.html

Topics

#VCS registration#SIP#manual discovery#SIP URI

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