{"product_id":"grp2604","title":"3-line IP Telephone, 10\/100\/1000 Mbps, 2.7' Backlit LCD Display, 3 Lines\/ 6 SIP Accounts, 10 BLF Keys, Codec OPUS","description":"\u003c!-- Grandstream GRP2604 \/ GRP2604P | U.S. Market Product Page | EPCOM ERP (TinyMCE-safe, inline styles only) --\u003e \u003cp\u003e \u003c\/p\u003e \u003c!-- Color scheme based on Grandstream's navy and bright blue brand identity --\u003e \u003cp\u003e \u003c\/p\u003e \u003c!-- ============ HERO BANNER ============ --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; background-color: #0d2c4d; margin: 0 0 0 0;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 60%; padding: 40px 10px 40px 40px; vertical-align: middle;\"\u003e \u003cp style=\"margin: 0 0 8px 0; font-family: Arial, sans-serif; font-size: 13px; letter-spacing: 3px; color: #4db3ff; font-weight: bold; text-transform: uppercase;\"\u003eGrandstream • GRP Series • Carrier-Grade\u003c\/p\u003e \u003cp style=\"margin: 0 0 6px 0; font-family: \" open sans arial sans-serif font-size: line-height: color: font-weight: bold\u003eGRP2604\u003c\/p\u003e \u003cp style=\"margin: 0 0 14px 0; font-family: Arial, sans-serif; font-size: 17px; color: #9dbdd9; font-weight: bold;\"\u003e3-Line Essential IP Phone • GRP2604 \/ GRP2604P\u003c\/p\u003e \u003cp style=\"margin: 0 0 18px 0; font-family: Arial, sans-serif; font-size: 16px; line-height: 1.5; color: #d3e3f2;\"\u003eAn essential 3-line IP phone built for \u003cstrong style=\"color: #ffffff;\"\u003emass deployment with zero-touch provisioning\u003c\/strong\u003e — full HD audio on handset and speakerphone, 5-way conferencing, dual Gigabit ports with integrated PoE (GRP2604P), and centralized management through GDMS.\u003c\/p\u003e \u003ctable style=\"border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"background-color: #0091ff; padding: 8px 16px; font-family: Arial, sans-serif; font-size: 13px; color: #ffffff; font-weight: bold;\"\u003e3 Lines \/ 6 SIP Accounts\u003c\/td\u003e \u003ctd style=\"width: 8px;\"\u003e \u003c\/td\u003e \u003ctd style=\"background-color: #1d4a75; padding: 8px 16px; font-family: Arial, sans-serif; font-size: 13px; color: #ffffff; font-weight: bold;\"\u003e5-Way Conferencing\u003c\/td\u003e \u003ctd style=\"width: 8px;\"\u003e \u003c\/td\u003e \u003ctd style=\"background-color: #1d4a75; padding: 8px 16px; font-family: Arial, sans-serif; font-size: 13px; color: #ffffff; font-weight: bold;\"\u003eDual Gigabit + PoE (P)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/td\u003e \u003ctd style=\"width: 40%; padding: 20px 30px 20px 10px; vertical-align: middle; text-align: center; background-color: #ffffff;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" src=\"https:\/\/ftp3.syscom.mx\/usuarios\/fotos\/BancoFotografiasSyscom\/GRANDSTREAM\/GRP2604\/GRP2604-p.PNG\" alt=\"Grandstream GRP2604 3-line essential IP phone\" width=\"320\"\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"height: 6px; background-color: #0091ff; padding: 0;\" colspan=\"2\"\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- ============ KEY FEATURES STRIP ============ --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin: 24px 0 8px 0;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 33%; padding: 18px; border: 1px solid #d9e8f5; border-top: 4px solid #0091ff; vertical-align: top; background-color: #ffffff;\"\u003e \u003cp style=\"margin: 0 0 6px 0; font-family: \" open sans arial sans-serif font-size: color: font-weight: bold\u003eBuilt for Mass Deployment\u003c\/p\u003e \u003cp style=\"margin: 0; font-family: Arial, sans-serif; font-size: 13px; line-height: 1.5; color: #5c6f80;\"\u003eZero-touch provisioning through GDMS gives service providers and enterprises a centralized interface to configure, provision, manage and monitor hundreds of phones — no desk-by-desk setup. TR-069 and AES-encrypted XML provisioning also supported.\u003c\/p\u003e \u003c\/td\u003e \u003ctd style=\"width: 8px;\"\u003e \u003c\/td\u003e \u003ctd style=\"width: 33%; padding: 18px; border: 1px solid #d9e8f5; border-top: 4px solid #0091ff; vertical-align: top; background-color: #ffffff;\"\u003e \u003cp style=\"margin: 0 0 6px 0; font-family: \" open sans arial sans-serif font-size: color: font-weight: bold\u003eCrystal-Clear HD Audio\u003c\/p\u003e \u003cp style=\"margin: 0; font-family: Arial, sans-serif; font-size: 13px; line-height: 1.5; color: #5c6f80;\"\u003eFull HD wideband audio on both handset and full-duplex speakerphone, backed by noise shield technology and AI noise reduction that filter out background noise — plus 5-way conferencing to bring the whole team into the call.\u003c\/p\u003e \u003c\/td\u003e \u003ctd style=\"width: 8px;\"\u003e \u003c\/td\u003e \u003ctd style=\"width: 33%; padding: 18px; border: 1px solid #d9e8f5; border-top: 4px solid #0091ff; vertical-align: top; background-color: #ffffff;\"\u003e \u003cp style=\"margin: 0 0 6px 0; font-family: \" open sans arial sans-serif font-size: color: font-weight: bold\u003eCarrier-Grade Security\u003c\/p\u003e \u003cp style=\"margin: 0; font-family: Arial, sans-serif; font-size: 13px; line-height: 1.5; color: #5c6f80;\"\u003eEnterprise-level protection with secure boot, dual firmware images and encrypted data storage, plus SHA-256 authentication, SRTP, TLS call encryption and 802.1X media access control.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- ============ OVERVIEW ============ --\u003e \u003ch2 style=\"margin: 30px 0 14px 0; padding: 0 0 8px 0; font-family: \" open sans arial sans-serif bold solid font-size:=\"\" color:=\"\" font-weight:=\"\" border-bottom:=\"\" width:=\"\"\u003eThe Essential Desk Phone for High-Volume Deployments\u003c\/h2\u003e \u003ctable style=\"width: 970px; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 58%; padding: 0 24px 0 0; vertical-align: top;\"\u003e \u003cp style=\"margin: 0 0 14px 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003ePart of Grandstream's carrier-grade \u003cstrong style=\"color: #0d2c4d;\"\u003eGRP series\u003c\/strong\u003e, the GRP2604 packs the essentials that on-site and remote desktop workers actually use: \u003cstrong style=\"color: #0d2c4d;\"\u003e3 lines, 6 SIP accounts, and up to 3 call appearances\u003c\/strong\u003e, presented on a crisp 2.7 in (132×64) backlit LCD with dual-color LED line keys.\u003c\/p\u003e \u003cp style=\"margin: 0 0 14px 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003ePower users get room to work: \u003cstrong style=\"color: #0d2c4d;\"\u003e10 BLF keys\u003c\/strong\u003e for monitoring extensions, 4 XML-programmable context-sensitive soft keys, and 8 dedicated function keys. The \u003cstrong style=\"color: #0d2c4d;\"\u003eRJ9 headset jack with EHS support\u003c\/strong\u003e connects Plantronics, Jabra, and Sennheiser wireless headsets without adapter boxes.\u003c\/p\u003e \u003cp style=\"margin: 0 0 14px 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003eThe telephony feature set is complete for business use: call park and pickup, shared call appearance (SCA\/BLA), a downloadable XML\/LDAP phonebook of up to \u003cstrong style=\"color: #0d2c4d;\"\u003e2,000 contacts\u003c\/strong\u003e, an 800-record call log, hot-desking, and \u003cstrong style=\"color: #0d2c4d;\"\u003eserver redundancy with fail-over\u003c\/strong\u003e for uptime-critical installs.\u003c\/p\u003e \u003cp style=\"margin: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003eTwo hardware versions cover every desk: the \u003cstrong style=\"color: #0d2c4d;\"\u003eGRP2604\u003c\/strong\u003e ships with a universal power supply, while the \u003cstrong style=\"color: #0d2c4d;\"\u003eGRP2604P\u003c\/strong\u003e adds integrated 802.3af PoE for clean single-cable installs (power supply not included with the P version).\u003c\/p\u003e \u003c\/td\u003e \u003ctd style=\"width: 42%; vertical-align: top; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto; border: 1px solid #d9e8f5;\" src=\"https:\/\/ftp3.syscom.mx\/usuarios\/fotos\/BancoFotografiasSyscom\/GRANDSTREAM\/GRP2604\/GRP2604-AD-4-p.PNG\" alt=\"Grandstream GRP2604 features view\" width=\"400\"\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- ============ CUSTOMIZATION \/ DEPLOYMENT ============ --\u003e \u003ch2 style=\"margin: 34px 0 14px 0; padding: 0 0 8px 0; font-family: \" open sans arial sans-serif bold solid font-size:=\"\" color:=\"\" font-weight:=\"\" border-bottom:=\"\" width:=\"\"\u003eReady for Your Brand, Ready for Any Desk\u003c\/h2\u003e \u003ctable style=\"width: 970px; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 42%; vertical-align: top; text-align: center; padding: 0 24px 0 0;\"\u003e\u003cimg style=\"max-width: 100%; height: auto; border: 1px solid #d9e8f5;\" src=\"https:\/\/ftp3.syscom.mx\/usuarios\/fotos\/BancoFotografiasSyscom\/GRANDSTREAM\/GRP2604\/GRP2604-AD-5-p.PNG\" alt=\"Grandstream GRP2604 customization and mounting\" width=\"400\"\u003e\u003c\/td\u003e \u003ctd style=\"width: 58%; vertical-align: top;\"\u003e \u003cp style=\"margin: 0 0 14px 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003eA \u003cstrong style=\"color: #0d2c4d;\"\u003eswappable faceplate\u003c\/strong\u003e lets service providers and enterprises brand every phone with their own logo — a simple detail that turns a commodity endpoint into part of your identity, ideal for hospitality, MSP fleets, and white-label voice services.\u003c\/p\u003e \u003cp style=\"margin: 0 0 14px 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003eThe included base stand offers \u003cstrong style=\"color: #0d2c4d;\"\u003etwo viewing angles (39° and 45°)\u003c\/strong\u003e, and the phone is wall-mountable for reception areas, warehouses, and break rooms (wall mount sold separately). Layer 2 (802.1Q\/802.1P) and Layer 3 (ToS, DiffServ, MPLS) \u003cstrong style=\"color: #0d2c4d;\"\u003eQoS\u003c\/strong\u003e keeps voice traffic prioritized on busy office networks.\u003c\/p\u003e \u003cp style=\"margin: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.6; color: #5c6f80; text-align: justify;\"\u003eMulti-language support covers \u003cstrong style=\"color: #0d2c4d;\"\u003eEnglish, Spanish, French, German, Portuguese\u003c\/strong\u003e and many more — a practical advantage for bilingual workplaces. U.S. compliance includes \u003cstrong style=\"color: #0d2c4d;\"\u003eFCC Part 15 Class B and FCC Part 68 HAC\u003c\/strong\u003e (hearing aid compatible), a common requirement in enterprise and public-sector purchasing.\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- ============ SPECIFICATIONS ============ --\u003e \u003ch2 style=\"margin: 34px 0 14px 0; padding: 0 0 8px 0; font-family: \" open sans arial sans-serif bold solid font-size:=\"\" color:=\"\" font-weight:=\"\" border-bottom:=\"\" width:=\"\"\u003eTechnical Specifications\u003c\/h2\u003e \u003c!-- Display \u0026 Keys --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin-bottom: 20px; font-family: Arial, sans-serif;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth style=\"background-color: #0d2c4d; color: #ffffff; text-align: left; padding: 8px 12px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;\" colspan=\"2\"\u003eLines, Display \u0026amp; Keys\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eLines \/ SIP Accounts\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e3 lines, 6 SIP accounts, up to 3 call appearances\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eDisplay\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e2.7 in (132 × 64) backlit graphical LCD\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eLine Keys\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e3 line keys with dual-color LED\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eBLF Keys\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e10\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eSoft Keys \/ Function Keys\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e4 XML programmable context-sensitive soft keys; 5 navigation\/menu keys; 8 dedicated function keys (Message w\/ LED, Transfer, Headset, Mute, Send\/Redial, Speakerphone, Vol+, Vol-)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eHeadset Port\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eRJ9 jack with EHS for Plantronics, Jabra \u0026amp; Sennheiser headsets\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eCustom Faceplate\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eYes, swappable for logo customization\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- Audio --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin-bottom: 20px; font-family: Arial, sans-serif;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth style=\"background-color: #0d2c4d; color: #ffffff; text-align: left; padding: 8px 12px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;\" colspan=\"2\"\u003eAudio\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eHD Audio\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eHD handset and full-duplex speakerphone with wideband audio\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eNoise Reduction\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eNoise shield technology + AI noise reduction\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eAudio Conferencing\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e5-way voice conferencing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eVoice Codecs\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eG.729A\/B, G.711µ\/a-law, G.726, G.722 (wideband), G.723.1, iLBC, Opus; VAD, AEC, CNG, PLC, AGC, AJB; in-band and out-of-band DTMF (audio, RFC2833, SIP INFO)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- Telephony --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin-bottom: 20px; font-family: Arial, sans-serif;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth style=\"background-color: #0d2c4d; color: #ffffff; text-align: left; padding: 8px 12px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;\" colspan=\"2\"\u003eTelephony Features\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eCall Handling\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eHold, transfer, forward, call park, call pickup, call waiting, shared call appearance (SCA) \/ bridged line appearance (BLA), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003ePhonebook\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eDownloadable XML \/ LDAP, up to 2,000 entries\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eCall Log\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eUp to 800 records\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eReliability\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eServer redundancy and fail-over; personalized ringtones and music on hold\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- Network \u0026 Provisioning --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin-bottom: 20px; font-family: Arial, sans-serif;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth style=\"background-color: #0d2c4d; color: #ffffff; text-align: left; padding: 8px 12px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;\" colspan=\"2\"\u003eNetwork, Provisioning \u0026amp; Security\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eNetwork Interfaces\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eDual switched auto-negotiation 10\/100\/1000 Mbps Gigabit Ethernet ports; integrated PoE (GRP2604P only)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eWi-Fi\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eNo\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eProtocols \/ Standards\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eSIP RFC3261, TCP\/IP\/UDP, RTP\/RTCP, RTCP-XR, HTTP\/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, SNMP, 802.1X, TLS, SRTP, IPv6\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eDevice Management\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eGDMS (zero-touch cloud provisioning), TR-069, AES-encrypted XML configuration file; firmware upgrade via FTP\/TFTP\/HTTP\/HTTPS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eQoS\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eLayer 2 (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eSecurity\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eSecure boot, dual firmware images, encrypted data storage; user\/admin passwords with SHA-256; SIP authentication SHA-256 \/ SHA-512\/256 \/ MD5 sess; AES security profile, SRTP, TLS call encryption, 802.1X\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eLanguages\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eEnglish, Spanish, French, German, Italian, Portuguese, Russian, Chinese, Korean, Japanese, Croatian, and more\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- Power \u0026 Physical --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin-bottom: 20px; font-family: Arial, sans-serif;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth style=\"background-color: #0d2c4d; color: #ffffff; text-align: left; padding: 8px 12px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase;\" colspan=\"2\"\u003ePower, Physical \u0026amp; Environmental\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003ePower\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eUniversal PSU: input 100–240 VAC 50\/60 Hz, output +5 VDC 600 mA (included with GRP2604 only); PoE IEEE 802.3af Class 2, 3.84–6.49 W, IEEE 802.3az EEE (GRP2604P only)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eBase Stand \/ Mounting\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e2 angle positions (39° \u0026amp; 45°); wall-mountable (wall mount sold separately)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eDimensions (L × W × H)\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e8.43 × 8.11 × 2.68 in (214 × 206 × 68 mm), with handset\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eWeight\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eUnit: 1.74 lb (790 g)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eOperating Temperature\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e32°F to 104°F (0°C to 40°C)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eStorage Temperature \/ Humidity\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003e14°F to 140°F (-10°C to 60°C); 10–90% non-condensing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr style=\"background-color: #f2f8fd;\"\u003e \u003ctd style=\"width: 300px; padding: 7px 12px; font-size: 13px; color: #0d2c4d; font-weight: bold; border-bottom: 1px solid #d9e8f5;\"\u003eCompliance\u003c\/td\u003e \u003ctd style=\"padding: 7px 12px; font-size: 13px; color: #5c6f80; border-bottom: 1px solid #d9e8f5;\"\u003eFCC Part 15 Class B, FCC Part 68 HAC; CE (EN 55032, EN 55035, EN 61000-3-2\/-3-3, EN 62368-1); IC (ICES-003, CS-03); RCM\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c!-- ============ WHAT'S IN THE BOX ============ --\u003e \u003ch2 style=\"margin: 34px 0 14px 0; padding: 0 0 8px 0; font-family: \" open sans arial sans-serif bold solid font-size:=\"\" color:=\"\" font-weight:=\"\" border-bottom:=\"\" width:=\"\"\u003eWhat's in the Box\u003c\/h2\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; margin-bottom: 24px; font-family: Arial, sans-serif;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"width: 25%; padding: 16px; border: 1px solid #d9e8f5; text-align: center; background-color: #f2f8fd;\"\u003e \u003cp style=\"margin: 0; font-size: 14px; color: #0d2c4d; font-weight: bold;\"\u003eGRP2604 Phone\u003c\/p\u003e \u003cp style=\"margin: 4px 0 0 0; font-size: 12px; color: #93a9bb;\"\u003eWith handset and cord\u003c\/p\u003e \u003c\/td\u003e \u003ctd style=\"width: 25%; padding: 16px; border: 1px solid #d9e8f5; text-align: center;\"\u003e \u003cp style=\"margin: 0; font-size: 14px; color: #0d2c4d; font-weight: bold;\"\u003eBase Stand\u003c\/p\u003e \u003cp style=\"margin: 4px 0 0 0; font-size: 12px; color: #93a9bb;\"\u003e2 angle positions\u003c\/p\u003e \u003c\/td\u003e \u003ctd style=\"width: 25%; padding: 16px; border: 1px solid #d9e8f5; text-align: center; background-color: #f2f8fd;\"\u003e \u003cp style=\"margin: 0; font-size: 14px; color: #0d2c4d; font-weight: bold;\"\u003eUniversal Power Supply*\u003c\/p\u003e \u003cp style=\"margin: 4px 0 0 0; font-size: 12px; color: #93a9bb;\"\u003eGRP2604 (non-PoE) version only\u003c\/p\u003e \u003c\/td\u003e \u003ctd style=\"width: 25%; padding: 16px; border: 1px solid #d9e8f5; text-align: center;\"\u003e \u003cp style=\"margin: 0; font-size: 14px; color: #0d2c4d; font-weight: bold;\"\u003eNetwork Cable + Extras\u003c\/p\u003e \u003cp style=\"margin: 4px 0 0 0; font-size: 12px; color: #93a9bb;\"\u003eQuick Installation Guide, BLF labels\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp style=\"width: 970px; margin: -12px 0 20px 0; font-family: Arial, sans-serif; font-size: 12px; line-height: 1.5; color: #93a9bb; font-style: italic;\"\u003e* The GRP2604P (PoE version) does not include a power supply; it is powered directly by an 802.3af PoE switch or injector.\u003c\/p\u003e \u003c!-- ============ IDEAL APPLICATIONS ============ --\u003e \u003ctable style=\"width: 970px; border-collapse: collapse; background-color: #eef6fc; margin-bottom: 10px;\" cellspacing=\"0\" cellpadding=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding: 22px 28px;\"\u003e \u003cp style=\"margin: 0 0 8px 0; font-family: \" open sans arial sans-serif font-size: color: font-weight: bold\u003eIdeal Applications\u003c\/p\u003e \u003cp style=\"margin: 0; font-family: Arial, sans-serif; font-size: 13px; line-height: 1.7; color: #5c6f80;\"\u003eHigh-volume enterprise and call-center desk deployments • Service provider and MSP-managed voice fleets via GDMS • Hospitality and front-desk phones with custom-branded faceplates • Remote and hybrid worker home offices • PoE single-cable installs paired with the GWN series switches (GRP2604P) • UCM6300 series IP PBX deployments and hot-desking environments\u003c\/p\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"GRANDSTREAM","offers":[{"title":"Default Title","offer_id":49392161521899,"sku":"GRP2604","price":74.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/7338\/6987\/files\/GRP2604-l.jpg?v=1789876361","url":"https:\/\/www.nuo-networks.com\/products\/grp2604","provider":"Nuo Networks","version":"1.0","type":"link"}