{"id":275617,"date":"2025-10-14T16:35:44","date_gmt":"2025-10-14T14:35:44","guid":{"rendered":"https:\/\/digalco.com\/tienda\/ip-telephony-cisco-spa504g-refurbished-en-14092\/"},"modified":"2026-05-25T13:08:50","modified_gmt":"2026-05-25T11:08:50","slug":"ip-telephony-cisco-spa504g-refurbished-en-14092","status":"publish","type":"product","link":"https:\/\/digalco.com\/en\/tienda\/ip-telephony-cisco-spa504g-refurbished-en-14092\/","title":{"rendered":"IP Telephony CISCO SPA504G | Refurbished"},"content":{"rendered":"<p>The Cisco SPA504G is a 4-line IP phone with a monochrome LCD screen, two 10\/100 Ethernet ports with PoE support, and a 2.5 mm headset jack. It supports SIP and SPCP protocols and includes audio codecs such as G.711a\/u, G.726, G.729ab, and G.722 (wideband audio). The phone features a full-duplex speakerphone, an integrated message waiting indicator, and several call functions including caller ID, call waiting, and 3-way conferencing.<br \/><b>Key Specifications<\/b><br \/><u>Lines:<\/u> 4<br \/><u>Display:<\/u> Backlit monochrome LCD<br \/><u>Ethernet: <\/u>2-port 10\/100 switch with PoE (Power over Ethernet) support<br \/><u>Audio codecs:<\/u> G.711a\/u, G.726, G.729ab, G.722 (wideband)<br \/><u>Headset connector:<\/u> 2.5 mm<br \/><u>Protocols:<\/u> SIP and SPCP<br \/><u>Speakerphone:<\/u> Full-duplex<br \/><u>Power:<\/u> Power over Ethernet or 5 V DC adapter (sold separately)<br \/><u>Dimensions: <\/u>214\u00d7212\u00d744 mm<br \/><u>Weight: <\/u>0.9 kg (2.0 lb)<br \/><b>Call Highlights and Features<\/b><br \/>Supports up to 8 simultaneous calls<br \/>Caller ID, call waiting, and call transfer<br \/>3-way conference calls<br \/>Message waiting indicator<br \/>Do Not Disturb<br \/>Distinctive ring tones<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lines: 4 &#8211; Display: Backlit monochrome LCD &#8211; 2 10\/100 ports with PoE support &#8211; Protocols: SIP and SPCP &#8211; Hands-free speakerphone [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/digalco.com\/en\/tienda\/ip-telephony-cisco-spa504g-refurbished-en-14092\/\">Read More&#8230;<span class=\"screen-reader-text\"> from IP Telephony CISCO SPA504G | Refurbished<\/span><\/a><\/p>\n","protected":false},"featured_media":275602,"template":"","meta":[],"product_brand":[3882],"product_cat":[3798,1664],"product_tag":[],"class_list":{"0":"post-275617","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-cisco","7":"product_cat-networking-ip-telephony-en","8":"product_cat-networking-en","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":48,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"exclude_global_add_ons":[],"addons":[],"df_price":40,"df_sale_price":"","df_regular_price":40,"df_image_link":"https:\/\/digalco.com\/wp-content\/uploads\/images\/product\/14092\/cisc00108_01-300x225.jpg","_links":{"self":[{"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/product\/275617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/media\/275602"}],"wp:attachment":[{"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/media?parent=275617"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/product_brand?post=275617"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/product_cat?post=275617"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/digalco.com\/en\/wp-json\/wp\/v2\/product_tag?post=275617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}