Overview:
Polycom devices running firmware version 3 and lower must connect to a server to update. Version 4 and later of the firmware can update from the device’s web page.
Polycom has a webpage and publicly accessible server for upgrading or downgrading the software of Polycom IP phones with stock Polycom software and configuration files.
Note:
Polycom IP phone will need to be plugged into the data portion of the network. If the polycom phone is plugged into the voice vlan the polycom phone will not reach the upgrade site.
To see which version of the firmware your device is using:
Press Menu > Status (2) > Platform (1) > Phone (1) > scroll down to view bootblock and updater versions.
To Provision Your Polycom VoIP Phone in the GUI:
From the Phone’s local menu interface, Press Menu -> Settings -> Advances (Default Password: 456) -> Administration -> Settings -> Network Configuration -> Server Menu
Set Server Type to HTTP.
Input Server Address as voipt2.polycom.com or you can use the IP Address 140.242.64.35
Example: to load the latest SIP 4.04 = voipt2.polycom.com/404
Example: to load the latest SIP 4.04 = 140.252.64.35/404
Note:
Use # key for / when imputing the url into the phone.

Reboot the device and allow it time to update. Do not unplug the phone during updates.
Once the update is completed You will need to remove the firmware server from the boot menu. To restore phone service to the phone, you will need to reconfigure your device with your user information and device ID and password.
If phone doesn’t have firmware and needs it boot into the setup menu:
When the phone turns on to boot:
Select Setup
Enter 456 as password and press select
Press provisioning server
Change server type to HTTP
Change server address: voipt2.polycom.com -
Input Server Address as voipt2.polycom.com or you can use the ip address 140.242.64.35
Example: to load the latest SIP 4.04 = voipt2.polycom.com/404
Example: to load the latest SIP 4.04 = 140.252.64.35/404
Note:
Use # key for / when imputing the url into the phone.
Press OK
Press exit twice
Select save and reboot
There should be a updating sip.id message come up indicating the phone is updating. Do not reboot the phone while this message is displayed. Updating may take a while.

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