Yealink SIP-T41S User Manual

Advanced Phone Features
185
2. You can do the following:
 Press Hold to place the current multicast RTP session on hold.
The sender’s phone places the multicast RTP session on hold and receiver’s phone
releases the session.
To resume the held multicast RTP session, press Resume.
The multicast RTP session is re-established.
 Press End Call (EndCall) to end the multicast RTP session.
Note
Sending RTP Stream via a Paging List Key
Procedure:
1. Press the paging list key when the phone is idle.
2. Select a desired paging group.
3. Press Paging to send RTP.
4. Your can do the following:
 Press Hold to place the current multicast RTP session on hold.
The sender’s phone places the multicast RTP session on hold and receiver’s phone
releases the session.
To resume the held multicast RTP session, press Resume.
The multicast RTP session is re-established.
 Press End Call (EndCall) to end the multicast RTP session.
Automatic Call Distribution (ACD)
ACD is often used in offices for customer service, such as call center. The ACD system handles
large volumes of incoming calls from callers who have no need to talk to a specific person but
who require assistance from any of multiple persons at the earliest opportunity. ACD on all IP
phone allows the ACD system to distribute large volumes of incoming calls to the registered
ACD users. To use this feature, you should configure an ACD key in advance. For more
information on ACD key icon indicators, refer to Status Indicators.
Note
ACD is not available by default. Check with your system administrator to find out if this feature is
available on your phone.
Multicast RTP is one way only from the sender to the multicast address(es) (receiver). For
outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.
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Yealink SIP-T41S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Wi-Fi	No
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, FTP/TFTP/HTTP/HTTPS
Volume control	Digital
Number of programmable keys	6
Lines quantity	6 lines
Phonebook capacity	1000 entries
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
AC adapter output current	1.2 A
AC adapter output voltage	5 V
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	CNG, G.711Mu, G.711a, G.723.1, G.726, G.729ab, VAD, iLBC
Certification	CE
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	212 mm
Height	175 mm
Package depth	223 mm
Package width	246 mm
Package height	120 mm