http://www.alibaba.com/rss/product_search/LAN Protocol.rss Marketplace of export & import, offers company directory, catalog, trade leads to importer, exporter, manufacturer, wholesaler. en-us alibaba http://www.alibaba.com/product-gs/266039227/Linksys_Pap2t_with_1_RJ_45.html 1. 2 FXS VoIP phone adapter , 1 RJ-45 port LAN Ethernet <br>2. SIPv2: Session Initiation Protocol v2 (RFC 3261, 3262, 3263 http://www.alibaba.com/product-gs/264343152/ip_pbx_with_wifi.html 1.Protocol IEEE 802.11g/b, <br>2.Standard Telephony Service <br>3. Interface; 4-port LAN,FXS interface,ADSL Connecting <br>IP PBX