{"product_id":"grandstream-gxp2135-ip-phone-8-lines-bluetooth-poe","title":"Grandstream GXP2135 IP Phone - 8 Lines, Bluetooth \u0026 PoE","description":"\u003cp\u003eIn this review the Grandstream GXP2135 is assessed as a solid choice for office workers and receptionists who handle steady to heavy call volumes. The single biggest reason to buy is its combination of clear audio and programmable line keys that speed up call handling: with up to \u003cstrong\u003e8 lines\u003c\/strong\u003e, 4 SIP accounts and 32 programmable BLF\/speed-dial keys the GXP2135 is built for productivity in multi-line environments.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-line support:\u003c\/strong\u003e Eight line keys and four SIP accounts let a user manage multiple simultaneous extensions and service lines without switching devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge programmable keyset:\u003c\/strong\u003e Up to 32 digitally programmable BLF and speed-dial keys help a receptionist or power user access frequent contacts and monitor presence quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity and PoE:\u003c\/strong\u003e Dual auto-sensing Gigabit Ethernet ports with built-in PoE deliver full network speeds and the convenience of single-cable power and data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth and USB:\u003c\/strong\u003e Built-in Bluetooth for headsets and mobile sync and a USB port expand hands-free options and allow contact and calendar syncing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull HD audio:\u003c\/strong\u003e HD audio on both handset and full duplex speakerphone improves clarity for long calls and conference use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe GXP2135 is best for small business professionals, receptionists, and call center agents who need robust line handling and fast access to contacts. Its programmable BLF keys and dual Gigabit ports make it especially useful where monitoring extensions and high call throughput matter.\u003c\/p\u003e\u003cp\u003eIt is less well suited for users who need a large touchscreen or an advanced color display experience, since some customers report the screen quality can be inconsistent over long-term use. If an advanced visual interface is critical, consider a higher-tier model with a larger display.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComprehensive line and account support that improves multi-call efficiency.\u003c\/li\u003e\n\u003cli\u003eStrong audio performance from the handset and full duplex speakerphone for clear conversations.\u003c\/li\u003e\n\u003cli\u003eFlexible connectivity with dual Gigabit ports, integrated PoE and Bluetooth for headsets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSome users report the screen quality can fade or lose contrast over time, which may affect long-term display satisfaction.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eLines\u003c\/td\u003e\n\u003ctd\u003eUp to 8 line keys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIP Accounts\u003c\/td\u003e\n\u003ctd\u003e4 SIP accounts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e2.8 in color LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgrammable Keys\u003c\/td\u003e\n\u003ctd\u003eUp to 32 digital BLF\/speed-dial keys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Ports\u003c\/td\u003e\n\u003ctd\u003eDual switched auto-sensing Gigabit Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eBuilt-in PoE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\/Extras\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Bluetooth and USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Grandstream GXP2135 is a practical, feature-rich office IP phone that balances strong audio performance with extensive programmable keys and modern connectivity. It represents good value for teams that need multi-line handling, BLF speed dials and PoE; buyers who prioritize a top-tier display should compare alternate models.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this phone be powered over Ethernet?\u003c\/strong\u003e\u003cbr\u003eYes, the GXP2135 includes built-in PoE so it can receive power from a compatible PoE switch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it support Bluetooth headsets?\u003c\/strong\u003e\u003cbr\u003eYes, the phone has built-in Bluetooth for pairing headsets and syncing with mobile devices for contacts and call transfer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many speed-dial or BLF keys are available?\u003c\/strong\u003e\u003cbr\u003eIt supports up to 32 digitally programmable BLF or speed-dial keys, shown on-screen for quick access.\u003c\/p\u003e","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":48612978098395,"sku":"B01BUIWA08","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71eEjQHTvqS._AC_SL1500.jpg?v=1778504042","url":"https:\/\/gearmusthave.com\/products\/grandstream-gxp2135-ip-phone-8-lines-bluetooth-poe","provider":"GearMustHave","version":"1.0","type":"link"}