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Computer-Telephony Integration (CTI) Enable/Disable
Issue 6 February 2007 65
Computer-Telephony Integration (CTI) Enable/Disable
Use the following procedure to enable or disable the CTI interface.
Note:
Note: The default for the CTI interface is enabled.
The 4601, 4601+, 4602, 4602SW, 4602SW+, and 4690 do not support the CTI
interface. In addition, only telephones with H.323 software support the CTI
interface.
1. While the telephone is on-hook and idle, press the following sequence of keys on the
faceplate of the telephone:
Mute 2 8 4 # (Mute C T I #)
Note:
Note: Press the Mute button momentarily. Do not press this button while pressing other
keys/buttons. The 4630/4630SW IP Telephones and the 4690 IP Conference
Telephone do not have a dedicated Hold button. For all other 4600 Series IP
Telephones, pressing the Hold button instead of the Mute button also works.
One of the following texts displays left-justified at the top of the display, depending on the
current value of the CTI:
2. Press the 1 or 0 button to enable or disable the CTI interface respectively, or the # button to
leave the current value. The following text displays left-justified at the top of the display:
where 497xx is the value of the UDP port for CTI.
3. Enter a valid value between 49714 and 49721, inclusive for the UDP Port for CTI.
The following text displays left-justified at the top of the display:
If CTI=manual: CTI=manual
0=Off #=OK
If CTI=disabled: CTI=disabled
1=Manual #=OK
UDP Port=497xx
New=_
Save new value?
*=no #=yes