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Now click on Set to save your settings.
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Select the phone numbers for each handset (fixed network, VoIP) that are to be assigned to the handset as receiv- ing numbers. To do this, click on the option behind the phone number in the Receive column. Every handset can be assigned several phone numbers or no phone number (½= assigned).
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This will display the names of all registered handsets, and a list for each handset with the phone numbers that are configured and activated for the phone. The connec- tion names are shown in the Connections column. The fixed network connection is always at the end of the list.
¤ Define a VoIP phone number as the sending number for each handset. To do this, click on the option behind the phone number in the Send column. The previous assignment will automatically be deactivated.
Please note:
The fixed network number is permanently assigned to each handset as a sending number. This assignment cannot be deacti- vated. This guarantees that emergency numbers can be dialled from every handset.
Open the following Web page: Settings ¢Telephony
¢Number Assignment.
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Web configurator
Please note:
A handset is assigned the following numbers after it is registered with the base station:
– Receiving numbers: all phone numbers assigned to the phone (fixed network and VoIP).
– Sending numbers: the fixed network number and the VoIP phone number that you entered at the start of the phone con- figuration.

Please note:

–If a VoIP phone number that has been assigned to a handset as a sending number is deleted, then the handset will automati- cally be assigned the first VoIP phone number.

–If a phone number is not assigned to any handset as a receiving number, calls to this number will be signalled on all handsets.

–If you have not assigned receiving numbers to any of the handsets, calls to all connec- tions will be signalled on all handsets.

Setting DTMF signalling for VoIP

DTMF signalling is required, for example, for playing and controlling some network mailboxes via key codes (digits).

For VoIP specify how key codes are to be converted and sent as DTMF signals: as audible information in the voice channel or as a "SIP Info" message.

Ask your VoIP provider which type of DTMF transmission it supports.

¤Open the following Web page:

Settings ¢Telephony ¢Advanced Set- tings.

In the DTMF over VoIP Connections area, make the required settings for sending DTMF signals. Bear in mind your provider's guidelines.

¤Activate Audio or RFC 2833 if DTMF sig- nals are to be transmitted acoustically (in voice packages).

¤Activate SIP Info if DTMF signals are to be transmitted as code.

¤Now click on Set to save your settings.

Please note:

The settings for DTMF signalling apply to all VoIP connections (VoIP accounts).