Hi,<br><br>Recent addition to Avaya 4600 Series enabled such phones to 802.1x.<br><a href="http://www.avaya.co.uk/gcm/emea/en-us/products/offers/4600_series_ip_telephones.htm">http://www.avaya.co.uk/gcm/emea/en-us/products/offers/4600_series_ip_telephones.htm
</a><br><br>As you can see, it's not so easy to guess if 802.1x support is offered along SIP firmware.<br><br>Cheers<br><br><br><br>