Cisco recommends a minimum phone PIN length of six or more digits, and a change to Minimum Credential Length takes effect only when a user next changes the credential.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- authentication rules
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 docs current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Security Guide for Cisco Unity Connection Release 15 - Passwords, PINs, and Authentication Rule Management — Cisco Systems · tier 2 current vendor documentation · section: Defining Authentication Rules to Specify Password, PIN, and Lockout Policies (Minimum Credential Length)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail login and PIN failures: source note unity-connection-login-troubleshooting-min-pin-length-rec. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-login-troubleshooting-min-pin-length-rec
BibTeX
@misc{warmtransfer-claim-unity-connection-login-troubleshooting-min-pin-length-rec,
title = {Troubleshooting Unity Connection voicemail login and PIN failures: source note unity-connection-login-troubleshooting-min-pin-length-rec},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-login-troubleshooting-min-pin-length-rec},
note = {Source note unity-connection-login-troubleshooting-min-pin-length-rec, checked 2026-10-02}
}