Cisco Unity connection ports on cisco UCM are not registering. An engineer receives a packet capture of the link between the two servers to troubleshoot. In which port will this problem be resolved?

The correct answer is B. TCP 2000. Cisco Unity Connection (CUC) registers with Cisco Unified Communications Manager (UCM) using the Skinny Client Control Protocol (SCCP), also known as Cisco's proprietary signaling protocol. SCCP uses TCP port 2000 for device registration. When CUC is configured as a SCCP voice me

Cisco Unity Connection

Question

Exhibit

Options

ATCP 1720
BTCP 2000
CTCP 5060
DTCP 2427

How the community answered

(30 responses)

A
3% (1)
B
87% (26)
C
3% (1)
D
7% (2)

Explanation

Cisco Unity Connection (CUC) registers with Cisco Unified Communications Manager (UCM) using the Skinny Client Control Protocol (SCCP), also known as Cisco's proprietary signaling protocol. SCCP uses TCP port 2000 for device registration. When CUC is configured as a SCCP voice messaging device in UCM, it must successfully communicate over TCP 2000 to register its ports (voice mail ports). If registration fails, a packet capture on port 2000 would reveal the handshake or signaling issue. TCP 1720 is used by H.323, TCP 5060 is SIP, and TCP 2427 is MGCP - none of which are used for CUC-to-UCM port registration in a standard SCCP deployment.

Topics

#Cisco Unity Connection#CUCM Integration#SCCP#Voicemail Ports

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