The Cisco port utilization guide lists TCP 2748 for CTI/QBE and JTAPI communication between the PG and Unified CM CTI Manager.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Unified Contact Center Enterprise
- Subsystem
- jtapi-gateway
- 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; JTAPI row
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting UCCE peripheral gateways and CTI Server going offline: source note ucce-peripheral-gateway-troubleshooting-jtapi-port-2748. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucce-peripheral-gateway-troubleshooting-jtapi-port-2748
BibTeX
@misc{warmtransfer-claim-ucce-peripheral-gateway-troubleshooting-jtapi-port-2748,
title = {Troubleshooting UCCE peripheral gateways and CTI Server going offline: source note ucce-peripheral-gateway-troubleshooting-jtapi-port-2748},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucce-peripheral-gateway-troubleshooting-jtapi-port-2748},
note = {Source note ucce-peripheral-gateway-troubleshooting-jtapi-port-2748, checked 2026-10-02}
}