Aastra Telecom IP Phone User Manual

Model 57i IP Phone User Guide

 177

Available Features Enabled by Administrators

There are features on your IP Phone that you can use ONLY if an Administrator has 
enabled them on your phone. Those features are described in this section. Contact 
your System Administrator for more information.

Outgoing Intercom Calls

If your System Administrator configures the outgoing intercom feature on your 
phone, pressing the Icom button allows your phone to find an available line and place 
an intercom call to a recipient. To use this feature, you must configure an intercom 
key on your phone. For more information about configuring and using an Icom key, 
see 

 on 

.

Missed Call Summary Subscription

A feature on the IP phones allows missed calls that have been redirected by the 
server, to be incremented in the missed calls indicator on the phone it was initially 
directed to. This feature is called the Missed Call Summary Subscription and can 
be configured by your System Administrator. For this feature to work, you must 
configure voicemail on the phone that the call was initially directed to.
For example, phones A, B, and C are connected to the server. Your Administrator 
configures the server to direct calls coming into phone B (which has voicemail 
configured) to be forwarded to phone C. When phone A calls phone B, the server 
forwards the call to phone C. With the Missed Call Summary Subscription enabled, 
phone B receives notification from the server that the call was forwarded and the 
missed calls indicator is incremented on phone B. See the illustration below.

Note: Your System Administrator can configure the Missed Call Summary 

Subscription feature on a global or per-line basis.

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