{"product_id":"grandstream-enterprise-4-lines-ip-phone","title":"Grandstream Enterprise 4 Lines IP Phone","description":"Brand: Grandstream\u003cbr\u003e\u003cbr\u003eSupport SIP (RFC3261), TCP\/IP\/UDP, RTP\/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), PPPoE, TFTP, NTP, DHCP (client only) Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more Multiline support of up to 11 lines indicators (expandable to 112 lines through expansion key-module) Graphical LCD to display up to 8 lines and 22 characters per line Dual 10\/100Mbps Ethernet ports 2.5mm headset jack (versions 0.3 and 0.4 - 3.5mm headset jack) Support Caller ID display or block, per call or permanent Call waiting, hold, mute, transfer (blind or attended),forward, and more 3-way conferencing Integrated Power-over-Ethernet (802.3af) And many more enterprise grade features","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":51872829505818,"sku":"MCAB001ROZZ44","price":127.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/6772\/2266\/files\/61IxoPip5PL.jpg?v=1774601444","url":"https:\/\/craftedyogi.com\/products\/grandstream-enterprise-4-lines-ip-phone","provider":"Craftedyogi","version":"1.0","type":"link"}