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Telephony and Fax
3 Telephony and Fax
The Ericsson W25 can be connected to a telephone and/or a fax via the
Phone or Phone/fax outlet on the back of the Ericsson W25 unit. The
telephony and the fax will work without any further configurations. The
operator needs to support a fax function over IP.
If you experience problems see the trouble shooting section
6.5 –
Telephony and Fax Service.
Note: Allow approximately two minutes for the Ericsson W25 to startup.
3.1 SIM Authentication
The service provider provides you with a SIM card. This SIM card contains
information about the subscription and is normally protected by a PIN
(Personal Identification Number) and a PUK (Personal Unblock Key) code.
Note: Emergency calls (i.e. 112 or 911) can always be made, even
without a SIM card or the correct PIN code.
Normally, you have to enter the PIN to activate the Ericsson W25 Internet
and voice services. In some cases however, authentication is not required
and it is possible to use the services without entering any PIN.
Follow the instructions in the Quick Installation Guide and insert the SIM
card into the Ericsson W25. When the installation is finished, you can either
enter the PIN via a phone connected to the Ericsson W25, or via the
Ericsson W25 internal web pages (see section
– Internet Access or 4.3.1
– Authentication). 4.4.3
Follow the steps below to enter the PIN using a phone connected to the
Ericsson W25. The “PIN required” and “PUK required” tones are described
in Table 3 – “Information Tones” on the next page.
1. Pick up the telephone handset. If you hear the dial tone, you do not
need to enter any PIN. If you hear the specific “PIN required” tone,
proceed to step 2.
2. Dial * <PIN> #
If the PIN is correct, you will hear the normal dial tone, which indicates
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