Fortinet white logo
Fortinet docs logo DOCUMENT LIBRARY
Fortinet white logo
Fortinet docs logo DOCUMENT LIBRARY
Products Best Practices Hardware Guides Products A-Z
Summary
By Solution
By 4D Pillars
By Cloud
Secure Networking
Unified SASE
Security Operations
Secure SD-WAN
Secure Access Service Edge (SASE)
ZTNA
LAN Edge
Identity and Access Management
Next Generation Firewall
Public Cloud
Private Cloud
FortiCloud
Secure Networking
  • Hybrid Mesh Firewall
  • NOC Management
  • LAN
  • WAN
    • More >>
    Unified SASE
  • Single Vendor SASE
  • Cloud Network Security
  • Secure Endpoint Connectivity
  • Web Application / API Protection
    • More >>
    Security Operations
  • Security Operations Automation
  • Identity
  • Early Detection & Prevention
    • More >>
    Secure Networking
  • Hybrid Mesh Firewall
  • NOC Management
  • LAN
  • WAN
  • Communication & Surveillance
    • Unified SASE
  • Single Vendor SASE
  • Secure Endpoint Connectivity
  • Cloud Network Security
  • Cloud-Native Security
  • Web Application / API Protection
    • Security Operations
  • Security Operations Automation
  • Endpoint
  • Data Protection
  • Identity
  • Email
  • Early Detection & Prevention
  • Expert Services
  • Edge Firewall
  • Orchestration & management
  • SD Branch
  • Application Delivery
  • Single Vendor SASE
  • Secure Endpoint Connectivity
  • Secure Private Access
  • Thin Edge
  • Identity
  • Application Gateway
  • Enterprise Asset Management
  • Endpoint Agent
  • Agentless Security Posture
  • Identity
  • Wireless
  • Switching
  • Identity
  • Privilege Acccess Management
  • Next Generation Firewall
  • Orchestration & management
  • Expert Services
  • All
  • All
  • Account Management
  • SAAS Management
  • SAAS Application Security
  • Managed Services
  • Platform as a service (PAAS)
  • Other SAAS Services
    • 4D Resources
    Solution Hubs
  • 4D Pillars
  • Cloud
  • Popular Solutions

    • FortiVoice Phone System Release Notes

    Home FortiVoice 5.3.25 FortiVoice Phone System Release Notes
    5.3.25
    7.0.5
    7.0.4
    7.0.3
    7.0.2
    7.0.1
    7.0.0
    6.4.10
    6.4.9
    6.4.8
    6.4.7
    6.4.6
    6.4.5
    6.4.4
    6.4.3
    6.4.2
    6.4.1
    6.4.0
    6.0.12
    6.0.11
    6.0.10
    6.0.9
    6.0.8
    6.0.7
    6.0.6
    6.0.5
    6.0.4
    6.0.3
    6.0.2
    6.0.1
    6.0.0
    5.3.26
    5.3.25
    5.3.24
    5.3.23
    5.3.22
    5.3.21
    5.3.20
    5.3.19
    5.3.18
    5.3.17
    5.3.16
    5.3.15
    5.3.14
    5.3.13
    5.3.12
    5.3.11
    5.3.10
    5.3.9
    5.3.8
    5.3.7
    5.3.6
    5.3.5
    5.3.4
    5.3.3
    5.3.2
    5.3.1
    5.3.0

    Firmware downgrade for FVE-2000E-T2

    Firmware downgrade for FVE-2000E-T2

    Firmware downgrade is not recommended. Before downgrading, consult Fortinet Technical Support first.

    Downgrading from 5.3.25 to 5.x.x release

    Downgrading from 5.3.25 to 5.x.x release is not fully supported and may cause data loss. If you have to downgrade, follow these steps:

    1. Back up the 5.3.25 configuration.
    2. Install the older 5.x.x.
    3. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
    4. Configure the device IP address and other network settings.
    5. Reload the 5.x.x backup configuration saved before upgrading to 5.3.25.

    Downgrading from 5.3.25 to 4.0.x release

    Downgrading from 5.3.25 to 4.0.x release is not fully supported and may cause data loss. If you have to downgrade, follow these steps:

    1. Back up the 5.3.25 configuration.
    2. Install the older 4.0.2 image.
    3. Back up the 4.0.2 configuration.
    4. Install the older 4.0.x image.
    5. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
    6. Configure the device IP address and other network settings.
    7. Reload the 4.0.x backup configuration saved before upgrading to 5.3.25.

    Downgrading from 5.3.25 to 3.0.x release

    Downgrading from 5.3.25 to 3.0.x release is not fully supported and may cause data loss. If you have to downgrade, follow these steps:

    1. Back up the 5.3.25 configuration.
    2. Install the older 4.0.2 image.
    3. Back up the 4.0.2 configuration.
    4. Install the older 3.0.x image.
    5. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
    6. Configure the device IP address and other network settings.
    7. Reload the 4.0.x backup configuration saved before upgrading to 5.3.25.
    Previous
    Next

    Firmware downgrade for FVE-2000E-T2

    Firmware downgrade for FVE-2000E-T2

    Firmware downgrade is not recommended. Before downgrading, consult Fortinet Technical Support first.

    Downgrading from 5.3.25 to 5.x.x release

    Downgrading from 5.3.25 to 5.x.x release is not fully supported and may cause data loss. If you have to downgrade, follow these steps:

    1. Back up the 5.3.25 configuration.
    2. Install the older 5.x.x.
    3. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
    4. Configure the device IP address and other network settings.
    5. Reload the 5.x.x backup configuration saved before upgrading to 5.3.25.

    Downgrading from 5.3.25 to 4.0.x release

    Downgrading from 5.3.25 to 4.0.x release is not fully supported and may cause data loss. If you have to downgrade, follow these steps:

    1. Back up the 5.3.25 configuration.
    2. Install the older 4.0.2 image.
    3. Back up the 4.0.2 configuration.
    4. Install the older 4.0.x image.
    5. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
    6. Configure the device IP address and other network settings.
    7. Reload the 4.0.x backup configuration saved before upgrading to 5.3.25.

    Downgrading from 5.3.25 to 3.0.x release

    Downgrading from 5.3.25 to 3.0.x release is not fully supported and may cause data loss. If you have to downgrade, follow these steps:

    1. Back up the 5.3.25 configuration.
    2. Install the older 4.0.2 image.
    3. Back up the 4.0.2 configuration.
    4. Install the older 3.0.x image.
    5. In the CLI, enter execute factoryreset to reset the FortiVoice unit to factory defaults. Note that you will lose all of the FortiVoice configurations by doing so.
    6. Configure the device IP address and other network settings.
    7. Reload the 4.0.x backup configuration saved before upgrading to 5.3.25.
    Previous
    Next