Source note · Cisco IP phone registration and TFTP and ITL and CTL
Phone registration signaling uses TCP 2000 for SCCP, TCP 2443 for secure SCCP, TCP and UDP 5060 for SIP, and TCP 5061 for secure SIP.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Ports
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-24
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Cisco Unified Communications Manager TCP and UDP Port Usage — Cisco Systems · tier 2 current vendor documentation · Table: Signaling, Media, and Other Communication Between Phones and Cisco Unified Communications Manager, rows 2000, 2443, 5060, 5061
Cite this note
APA
WarmTransfer. (2026, September 24). Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-port-signaling. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-port-signaling
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-port-signaling,
title = {Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-port-signaling},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-port-signaling},
note = {Source note cisco-phone-registration-port-signaling, checked 2026-09-24}
}