Yealink SIP-T48S User Manual

User Guide for the SIP-T48S IP Phone
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Recording Using a USB Flash Drive ......................................................................................................... 190
Recording Using a Record Key .................................................................................................................. 197
Hot Desking .......................................................................................................................................................... 200
Intercom ................................................................................................................................................................. 202
Configuring the Intercom Feature on the IP Phone.......................................................................... 202
Using Intercom ................................................................................................................................................ 205
Multicast Paging .................................................................................................................................................. 205
Sending RTP Stream ...................................................................................................................................... 206
Receiving RTP Stream ................................................................................................................................... 210
Using Multicast Paging ................................................................................................................................. 211
Music on Hold (MoH) ........................................................................................................................................ 213
Automatic Call Distribution (ACD) ............................................................................................................... 214
Shared Call Appearance (SCA) ....................................................................................................................... 216
Configuring SCA Feature on the IP Phone ........................................................................................... 217
Using SCA Feature on the IP Phone ........................................................................................................ 223
Bridged Line Appearance (BLA) ..................................................................................................................... 230
Configuring BLA Feature on the IP Phone ............................................................................................ 231
Using BLA Feature on the IP Phone......................................................................................................... 234
Messages ................................................................................................................................................................ 236
Short Message Service (SMS)..................................................................................................................... 236
Voice Mail .......................................................................................................................................................... 239
Message Waiting Indicator (MWI) ........................................................................................................... 241
Regulatory Notices .................................................................... 245
Service Agreements ........................................................................................................................................... 245
Limitations of Liability ....................................................................................................................................... 245
Safety Instructions .............................................................................................................................................. 245
Appendix..................................................................................... 247
Appendix A – Time Zones ................................................................................................................................ 247
Appendix B – Menu Structure ........................................................................................................................ 249
Index ........................................................................................... 251

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