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Linksys IP Phone Administrator Guide
Firmware Version 5.1
Chapter 3 Managing Linksys IP Phones
Using Call Features
Dialing Assistance
Dialing assistance is an option you can enable or disable under the Preferences menu. If the option is
enabled, the phone shows up to ten potential matches from the Redial List (most recent first) and from
the Personal Directory as you dial the target number. This feature applies to both off-hook (with dial
tone) and on-hook (without dial tone) dialing. When the suggestion list appears, you can scroll down the
list using the Up/Down key to select the desired target number from the list. When looking for matches
from the Redial List and the Directory, the 900 Series phone skips any leading *codes, so that the match
is purely based on the target number. If configured on the phone, the *code that is skipped may be any
of the following:
• Call forward activation and deactivation codes
• Secure call activation and deactivation codes
• Block CID activation and deactivation codes
• Block anonymous call activation and deactivation codes
• DND activation and deactivation codes
• Prefer codec and Force codec codes
• Referral services codes and Feature Dial Services codes
Supplementary Services
The 900 Series phone supports the following supplementary services:
• Block Caller ID —If enabled, the 900 Series phone attempts to hide the caller-ID on all outbound
calls by default. You can also enable or disable this feature on a per call basis by pre dialing a *code
before making the call.
• Block Anonymous Call —Rejects all inbound calls with no caller-ID with a 406 response
• Do Not Disturb (DND) —Rejects all inbound calls as if the phone is busy. That is, the phone either
responds a 302 if call forward on busy if enabled, or 486 otherwise.
• Secure Call —If enabled, the 900 Series phone tries to negotiate on all outbound calls to use
encrypted media (SRTP) by default. You can also enable or disable this feature on a per-call basis
by pre dialing a *code before making the call. Note that to use Secure Call on an extension, <Mini
Certificate> and <SRTP Private Key> must be configured for that extension. The enabling and
disabling of these services applies to calls on all configured extensions on the 900 Series phone
Call Logs
There are three call logs maintained for each VoIP interface:
• Redial List—Each Redial List entry is added when dialing is completed, regardless if the number is
correct or not, or if the call is successful or not.
• Answered Calls—An Answered Call is logged when the incoming call is answered.
• Missed Calls—A Missed Call is logged for each incoming call that causes the phone to ring but not
answered.
The 900 Series phone keeps up to 60 entries per log in reverse chronological order. The logs are saved
in the phone non-volatile memory. All call logs can be viewed on the 900 Series phone web page using
the following link:
http://ip_address/calllog.htm