Cisco 7841 Installation Guide

Installation Guide for Cisco IP Phone with Multiplatform Firmware
7
Install a Key Expansion Module on 8851, 8861, and 8865 Phones
Key Expansion Module Installation
Install a Key Expansion Module on 8851, 8861, and 8865 Phones
21
3
Spine connector
Remove the accessory connector covers.
Firmly press the key expansion module
into the spine connector.
Fasten the screws into the phone.
Firmly press the spine connector to the
phone.
447107
(408) 123-4567
Edward Molina
1
2
3
4
97123
John Smith
(408) 555-4567
(123) 456-7890
(408) 555-4567
42:03
2:21
0:34
0:03
Borislav
(408) 888-1234
Venkataratnam
94556
Tom wills
(408) 123-4567
Kathey Miller
(408) 123-4567
Graham Franklin
Show
Details
Divert
Park
August 21, 2012
12:30
447108
(408) 123-4567
Edward Molina
1
2
3
4
97123
John Smith
(408) 555-4567
(123) 456-7890
(408) 555-4567
42:03
2:21
0:34
0:03
Borislav
(408) 888-1234
Venkataratnam
94556
Tom wills
(408) 123-4567
Kathey Miller
(408) 123-4567
Graham Franklin
Show
Details
Divert
Park
August 21, 2012
12:30
(408) 123-4567
Edward Molina
1
2
3
4
97123
John Smith
(408) 555-4567
(123) 456-7890
(408) 555-4567
42:03
2:21
0:34
0:03
Borislav
(408) 888-1234
Venkataratnam
94556
Tom wills
(408) 123-4567
Kathey Miller
(408) 123-4567
Graham Franklin
Show
Details
Divert
Park
August 21, 2012
12:30
Edward Molina
Kathy Miller
Robert Green
Kim Robison
Kim Robison
Branda parry
Kathy
Intercom
Kathy’s Mobile
Edward Molina
Kathy Miller
Robert Green
Kim Robison
Kim Robison
Branda parry
Kathy
Intercom
Kathy’s Mobile
447109
447110
4

Cisco 7841 Specifications

General

Ethernet Switch	Yes
Lines	4
Headset Port	Yes
Wall Mountable	Yes
Display	3.5-inch grayscale display
Audio	Wideband audio
PoE	IEEE 802.3af
Speakerphone	Full-duplex
Ethernet Ports	2 x 10/100/1000
Headset Jack	RJ9
Protocols	SIP
Codec Support	G.711, G.722, G.729, iLBC
Mounting	Desk or wall
Weight	1 kg