Snom320/Phone GUI/Advanced Functions
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Hold and resume
When a call is in progress, pressing
puts the call on hold, i.e., neither party can hear the other.
Image:S320 GUI adv hold01 en.png
Pressing
again will resume the call. While a call is on hold, you can establish another call by dialing the desired number. When more than one call is on hold, the following window appears:
Image:S320 GUI adv hold02 en.png
Select the party you wish to talk to with
. Press
to be connected.
Key mapping:
| Key | Description |
| | terminate the call being held |
| | hold/resume a call |
| *, #, digits | can be used to initiate another call |
| | Handsfree mode on/off |
| | Headset on/off |
Transfer
Blind Transfer
During a call, press the transfer key
or Xfer to put the connected party on hold, then dial the number to which the call is to be directly transferred.
Image:S320 GUI adv directxfer01 en.png
Image:S320 GUI adv directxfer01 en.png
As soon as you press
, the snom 320 will transfer the held
party to that number.
Key mapping for input:
Attended Transfer
During a call in progress, put the connected party on hold by
pressing the hold key
.
While the call is on hold, you can establish a second call by dialing the desired number and pressing
. When the second call is established, you can consult the second party, e.g., to announce the call. You can connect the two parties by pressing
of Xfer or place the handset on the hook. This behavior is available only when the option “Call join on Xfer” on the “advanced” web page is set to “on”. When it is not, select the party you want the call to transfer to by pressing
, followed by the transfer keys
or Xfer.
Conference
If the phone is connected with two calls, one on hold and one active, you can connect all three phones in a conference by pressing
or 'Cnf.On'.
Image:S320 GUI adv conf01 en.png
Image:S320 GUI adv conf01 en.png
By pressing again or by pressing
'Cnf.Off', the conference is disconnected and the calls are all put on hold.
Call Forwarding
Set, change, and deactivate call forwarding in
the menu item 'Call Forwarding'. Press
to access it. The currently
active setting is preceded by an asterisk '*'.
Image:S320 GUI adv diversion01 en.png
Forward all calls
By setting the option 'Menu / Call Forwarding' to 'Always', every incoming call is diverted immediately to the number set in the following window “Redirect target” without the phone ringing.
To disable this feature, set 'Menu / Call Forwarding' to 'Off'.
Forward when busy
Set the option "Menu / Call Forwarding" to "Busy" if you want to divert all incoming calls to the number set in "Busy target" when another call is already in progress.
Forward when not answered
Below "Menu / Call Forwarding / Time" enter the number of seconds in "Redirect Time" after which every incoming unanswered call is diverted to the number set in "Timeout target".
Note: To activate call divert immediately, see "Diverting all calls",above.
Call completion
The call completion functionality allows the user to establish calls successfully when the other party is busy or not answering. This feature can be enabled via the "Advanced" web interface page below "Phone Behavior / Call Completion".
On busy (CCBS)
When the party you are trying to reach is busy, the following window will appear during the call attempt:
Image:S320 GUI adv busy01 en.png
Activate call completion by pressing
; the phone then waits for the other party to return to idle.
Image:S320 GUI adv busy02 en.png
If you wish to receive and make calls while you are waiting for call completion, press
to return to the idle screen, which now shows the letters ‘CC’ to the left of the date in the upper left corner. Pressing
cancels the call completion procedure.
Image:S320 GUI adv busy03 en.png
When the other party becomes idle, the following window appears:
Image:S320 GUI adv busy04 en.png
If you press
, the phone will dial the number again in order to establish a connection to the other party.
On no response (CCNR)
When the phone rings and nobody answers your call, activate call completion by pressing the ‘CC’ function key.
Image:S320 GUI adv ccnr01 en.png
The phone will now wait for the dial destination to become active again.
Image:S320 GUI adv ccnr02 en.png
If you wish to receive and make calls while you are waiting for your call completion, press to return to the idle screen, which now shows the letters ‘CC’ to the left of the date in the upper left corner. Pressing cancels the call completion procedure.
Image:S320 GUI adv ccnr03 en.png
When the other side is available again, the display will prompt you to redial the number.
Image:S320 GUI adv ccnr04 en.png
Be aware that the activity detection only detects whether the phone you are calling is being used. It cannot detect whether the person you want to reach is in the room or not!
DTMF Tones
During a call, e.g., with a voicemail system, pressing the digits 0-9, *, or # will generate and send DTMF tones to the other party. The phone supports in-band and out-of-band DTMF functionality. It prefers out-of-band DTMF, but, if the other party does not support it, the phone falls back to in-band DTMF. This standard phone behavior cannot be changed.
Short Messages (SMS)
Incoming short messages are automatically indicated by a small letter symbol on the display (when the phone is in idle state), a blinking message LED, and, if 'MWI Notifi cation' is set to 'beep/reminder', with a short beep (Menu item 'Preferences / MWI Notifi cation').
Image:S320 GUI adv sms01 en.png
To display the message, press either or the SMS key. A message could look like this:
Image:S320 GUI adv sms01 en.png
Return to the idle screen with
.
Message Waiting Indication (MWI)
If you did not answer a call and the mailbox recorded a message for you, the idle screen shows that a recorded message is waiting for you.
Image:S320 GUI adv mwi01 en.png
The text above the second function key from the left now says 'VMail'. Press this function key or
to connect to your mailbox and listen to the recorded message(s).
If you want to connect to your mailbox independently when there is no 'new message' alert, press
. This will only work, however, if you have entered the correct number of the mailbox on the Login index card of the web page for the corresponding line (Confi guration Line 1-12)!
Conducting a Software Update
When a new software version for your phone is available for download, you will see the text 'SW' to the right of the date in the top line of the screen.
Image:S320 GUI adv swconducting01 en.png
In this case, an additional menu item “SW Update” can be found in the menu by pressing
and using the navigation key to scroll to it.
Image:S320 GUI adv swconducting02 en.png
Pressing 'Ok' or
reboots your phone after a few seconds. During boot-up, the phone asks you whether or not it should proceed with the firmware update. If the phone doesn’t reboot by itself, please start the reboot manually.


