Yealink SIP-T23G Administrator's Guide

Troubleshooting Methods
552
NOTIFY sip:<user>@<dsthost> SIP/2.0
To: sip:<user>@<dsthost>
From: sip:sipsak@<srchost>
CSeq: 10 NOTIFY
Call-ID: 1234@<srchost>
Event: check-sync;reboot=true
Topic
Notify Reboot Configuration
Notify Reboot Configuration
The following table lists the parameter you can use to configure notify reboot.
Parameter
sip.notify_reboot_enable <y0000000000xx>.cfg
Description
It configures the IP phone behavior when receiving a SIP NOTIFY message which contains the
header “Event: check-sync”.
Permitted
Values
0-The phone will reboot only if the SIP NOTIFY message contains an additional string “reboot=true”.
1-The phone will reboot.
2-The phone will ignore the SIP NOTIFY message.
Default
1
Rebooting the Device via the Phone User Interface
You can reboot your device via the phone user interface.
Procedure
1. Press Menu > Basic > Reboot (Menu > Settings > Basic Settings > Reboot).
2. Press OK.
The device begins rebooting. Any reboot of the device may take a few minutes.
Rebooting the Device via Web User Interface
You can reboot your IP phone via the web user interface.
Procedure
1. Click Settings > Upgrade.
2. Click Reboot.
The device begins rebooting. Any reboot of the device may take a few minutes.

Yealink SIP-T23G Specifications

General

Backlight	Yes
Voice codecs	G.711a, G.722.2, G.726, G.729ab, iLBC
Volume control	Digital
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Silver
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Networking standards	IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.56 W
Number of handles included	- pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	188 mm
Width	209 mm
Height	150 mm