wireless networking - How to reveal the MAC address of a Sony Ericsson W715?

Is there a way to tell or to reveal the MAC address of a Sony Ericsson W715 mobile phone? I need to know the MAC address of the phone in order to use the Wi-Fi. I have looked through the settings in all relevant places and have not found any mention of a MAC or a "physical" address anywhere.

Aren't MAC addresses supposed to be printed on every Ethernet and Wi-Fi device?

Update:

I have now managed to connect the phone over Wi-Fi. After connecting the phone this is what I see in the router logs.

Dec 21 00:04:49      debug    UDHCPD sending ACK to 192.168.0.109
Dec 21 00:04:49      info     UDHCPD sending OFFER of 192.168.0.109
Dec 21 00:04:47      debug    UDHCPD sendOffer : find a free IP

The date and time is wrong (it almost never shows the right date and time). But as you can see no MAC address is listed here. This is from a D-Link DIR-825.

I normally have MAC filtering enabled. That's why I needed the MAC of the phone to add it in the exception list.

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