Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
82
Supported Provisioning Protocols
Yealink IP phones support several transport protocols for provisioning:
l Trivial File Transfer Protocol (TFTP)
l File Transfer Protocol (FTP)
l Hyper Text Transfer Protocol – Secure (HTTPS)
l File Transfer Protocol – Secure (FTPS)
Note
There are two types of FTP methods—active and passive. IP phones are not compatible with active FTP.
You can specify the transport protocol in the provisioning server address, for example, http://xxxxxxx. If not specified,
the TFTP protocol is used.
Topic
Provisioning Protocols Configuration
Provisioning Protocols Configuration
The following table lists the parameters you can use to configure provisioning protocols.
Parameter static.auto_provision.server.type <y0000000000xx>.cfg
Description
It configures the protocol the IP phone uses to connect to the provisioning server.
Note: It works only if the protocol type is not defined in the access URL of the provisioning server con-
figured by the parameter "static.auto_provision.server.url".
Permitted
Values
1-HTTP
2-HTTPS
3-FTP
Other values-TFTP
Default TFTP
Parameter
static.auto_provision.user_agent_mac.enable
[1]
<y0000000000xx>.cfg
Description
It enables or disables the IP phone's MAC address to be included in the User-Agent header of
HTTP/HTTPS transfers via auto provisioning.
Permitted
Values
0-Disabled, the phone’s MAC address is not included in the User-Agent header of HTTP/HTTPS transfers
and communications to the web browser.
1-Enabled
Default 1
[1]
If you change this parameter, the IP phone will reboot to make the change take effect.
Supported Provisioning Server Discovery Methods
After the phone has established network settings, it must discover a provisioning server to obtain software updates and
configuration settings.
The IP phone supports the following methods to discover the provisioning server address:
l Zero Touch: Zero Touch feature guides you to configure network settings and the provisioning server address via
phone user interface after startup.

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English