Users report that they are unable to check voicemail, and an engineer discovers that the voicemail system is not routing calls between Cisco Unity Connection and Cisco UCM via SCCP. Which action shoul

The correct answer is A. Verify registration of the CTI ports.. When Unity Connection integrates with Cisco UCM using SCCP, it relies on CTI (Computer Telephony Integration) ports to send and receive calls. If CTI ports are not properly registered with UCM, SCCP-based call routing to Unity Connection will fail. Verifying that CTI ports are re

Cisco Unity Connection

Question

Users report that they are unable to check voicemail, and an engineer discovers that the voicemail system is not routing calls between Cisco Unity Connection and Cisco UCM via SCCP. Which action should be taken to resolve this issue?

Options

AVerify registration of the CTI ports.
BVerify OPTIONS Ping in the SIP trunk profile.
CVerify voicemail SIP trunk in the route list.
DVerify Calling Search Space in the Directory Number setting.

How the community answered

(26 responses)

A
81% (21)
B
12% (3)
C
4% (1)
D
4% (1)

Explanation

When Unity Connection integrates with Cisco UCM using SCCP, it relies on CTI (Computer Telephony Integration) ports to send and receive calls. If CTI ports are not properly registered with UCM, SCCP-based call routing to Unity Connection will fail. Verifying that CTI ports are registered and in the correct state is the first corrective step. Options B and C are relevant to SIP trunk integrations, not SCCP. Option D (Calling Search Space on Directory Number) would affect outbound dialing, not the SCCP registration issue causing the routing failure.

Topics

#Cisco Unity Connection#Voicemail Troubleshooting#CTI Port Registration#SCCP Call Routing

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