Yealink CP965 Recovery Guide

Recovery Mode on Yealink IP phones
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2. Click OK twice to save the settings.
3. Long press and reconnect the power adapter to trigger the recovery mode.
The W90DM/W90B will download and upgrade the firmware from the TFTP server.
You can view the syslog of the TFTP server to check if the W90DM/W90B downloads the firmware
successfully as shown below:
4. Find the current IP address of the device on the DHCP server in the list of registered DHCP clients.
Using Recovery Mode on Yealink IP Phones
(USB Flash Drive)
This section introduces how to perform recovery mode using USB flash drive on Yealink IP phones step
by step.
For MP54/MP56/MP58/VP59/SIP-T58A/T57W/T54W/
T53W/T53/T48U/T48S/T46U/T46S/T43U/T42U/T42S/T41
S/CP920 IP Phones
This section is only applicable to SIP phone series including MP54, MP56, MP58, CP920, SIP-T41S,
SIP-T42S, SIP-T42U, SIP-T43U, SIP-T46S, SIP-T46U, SIP-T48S, SIP-T48U, SIP-T53, SIP-T53W,
SIP-T54W, SIP-T57W, SIP-T58A, and VP59.
The following procedures take the SIP-T46S IP phone for reference.

Yealink CP965 Specifications

General

Control type	Touch
Display type	LCD
Product type	IP conference phone
Voice codecs	AGC, AJB, CNG, G.711a, G.711u, G.722, G.722.1C, G.723, G.726, G.729, G.729A, OPUS, PCMA, PLC, VAD, iLBC
Certification	CE, FCC, RoHS, REACH, ISO 9001, CCC
Product color	Black
Speaker power	5 W
Frequency range	100 - 20000 Hz
Built-in display	Yes
Display diagonal	5 \
Speaker diameter	56 mm
Bluetooth version	4.2
Display resolution	720 x 1280 pixels
Phonebook capacity	1000 entries
Top Wi-Fi standard	Wi-Fi 4 (802.11n)
Security algorithms	256-bit AES, HTTPS, MD5, WPA2, WPA3
Cable lock slot type	Kensington
Sound pressure level	94 dB
Recommended room size	Large room
Ethernet LAN data rates	10, 100 Mbit/s
Microphone pick-up range	6 m
Microphone direction type	Omnidirectional
Number of microphone arrays	1
Conference call ways quantity	10
USB version	2.0
USB connector type	USB Type-A, USB Type-C
USB ports quantity	2
Storage temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Master (outer) case width	392 mm
Master (outer) case height	410 mm
Master (outer) case length	552 mm
Master (outer) case weight	9020 g
Harmonized System (HS) code	85176990
Power consumption (max)	14 W
Power consumption (Power over Ethernet (PoE))	20 W

Weight and Dimensions

Depth	322 mm
Width	328 mm
Height	62 mm
Package depth	398 mm
Package width	384 mm
Package height	105 mm