The unsecured GED-188 CTI Server listens on TCP 42027 on side A and TCP 43027 on side B, each plus 40 times the instance number.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unified Contact Center Enterprise
- Subsystem
- cti-server
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.6(2)
- Checked
- 2026-10-02
Sources
- Port Utilization Guide for Cisco Unified Contact Center Solutions, Release 12.6(2) - Port Utilization in Contact Center Enterprise — Cisco Systems · tier 2 current vendor documentation · Table 4 Unified CCE Port Utilization: CTI and CTI Object Server; GED-188 CTI Server rows
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting UCCE peripheral gateways and CTI Server going offline: source note ucce-peripheral-gateway-troubleshooting-cti-server-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucce-peripheral-gateway-troubleshooting-cti-server-ports
BibTeX
@misc{warmtransfer-claim-ucce-peripheral-gateway-troubleshooting-cti-server-ports,
title = {Troubleshooting UCCE peripheral gateways and CTI Server going offline: source note ucce-peripheral-gateway-troubleshooting-cti-server-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucce-peripheral-gateway-troubleshooting-cti-server-ports},
note = {Source note ucce-peripheral-gateway-troubleshooting-cti-server-ports, checked 2026-10-02}
}