Yealink SIP-T48S User Manual

Advanced Phone Features
197
To view the storage space:
1. Tap ->USB->Storage Space.
Recording Using a Record Key
You can record calls by tapping a record key on the phone. The SIP-T48S IP phone supports
record and URL record.
Two ways of call recording:
 Record: The phone sends a SIP INFO message containing a specific header “Record: on/off”
to trigger a recording.
 URL Record: The phone sends an HTTP URL request to trigger a recording. Contact your
system administrator for the predefined URL.
Note
The Record and URL Record keys control the recording function, and are available:
 During an active call
 When calls are on hold or muted
 During a blind or attended transfer
 During a conference call
The Record and URL Record keys are not available when:
 There are no connected calls on your phone
 You place a new call
Server recording is not available on all servers. Contact your system administrator for more
information.

Yealink SIP-T48S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Display diagonal	7 \
Display resolution	800 x 480 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Front camera	No
Voice codecs	CNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Keypad number of keys	42
Security algorithms	AES
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, HTTPS
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	225 mm
Width	266 mm
Height	185 mm
Package depth	263 mm
Package width	324 mm
Package height	128 mm