{"product_id":"grandstream-ht881-8-port-fxo-voip-gateway-for-sip-ip-pbx","title":"Grandstream HT881 8-Port FXO VoIP Gateway with 1 FXS Port for SIP IP PBX","description":"\u003cp\u003e📞 \u003cstrong data-end=\"161\" data-start=\"130\"\u003eConnect 8 Analog PSTN Lines\u003c\/strong\u003e Connect up to eight analog telephone lines to a SIP-based IP PBX for an easy migration to VoIP.\u003c\/p\u003e\n\u003cp\u003e🔄 \u003cstrong data-end=\"308\" data-start=\"263\"\u003eBusiness Continuity with Lifeline Support\u003c\/strong\u003e The dedicated FXS port remains connected to an FXO port during a power outage for uninterrupted calling.\u003c\/p\u003e\n\u003cp\u003e🌐 \u003cstrong data-end=\"451\" data-start=\"419\"\u003eGigabit Network Connectivity\u003c\/strong\u003e Dual Gigabit Ethernet ports with PoE-PD support simplify deployment while providing fast and reliable networking.\u003c\/p\u003e\n\u003cp\u003e🛡️ \u003cstrong data-end=\"609\" data-start=\"572\"\u003eSecure and Reliable Communication\u003c\/strong\u003e AES encryption, TLS\/SRTP support, and automatic SIP server failover help maintain secure and dependable voice services.\u003c\/p\u003e\n\u003cp\u003e📠 \u003cstrong data-end=\"759\" data-start=\"735\"\u003eReliable Fax over IP\u003c\/strong\u003e T.38 Fax support enables dependable fax transmission over IP networks for business communication.\u003c\/p\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"1319\" data-start=\"892\"\u003eThe Grandstream HT881 is an 8-port FXO VoIP gateway designed to connect analog PSTN lines to SIP-based IP PBX systems. It features one FXS port for lifeline support, dual Gigabit Ethernet ports with PoE-PD, T.38 Fax over IP, and secure provisioning. Compatible with hosted and on-premises SIP IP PBXs, it is an ideal solution for businesses upgrading to VoIP while continuing to use existing analog telephone infrastructure.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable cellpadding=\"8\" border=\"1\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGrandstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHT881\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog FXO VoIP Gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFXO Ports\u003c\/td\u003e\n\u003ctd\u003e8 × RJ11 FXO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFXS Ports\u003c\/td\u003e\n\u003ctd\u003e1 × RJ11 FXS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIP Profiles\u003c\/td\u003e\n\u003ctd\u003eSupports 3 SIP Profiles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Ports\u003c\/td\u003e\n\u003ctd\u003e2 × 10\/100\/1000Mbps RJ45 Gigabit Ethernet (One with IEEE 802.3af PoE-PD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Modes\u003c\/td\u003e\n\u003ctd\u003eBridge Mode up to 1000Mbps, NAT Mode up to 100Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRouter\u003c\/td\u003e\n\u003ctd\u003eHigh-Performance NAT Router\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Outage Support\u003c\/td\u003e\n\u003ctd\u003eLifeline Support (FXS hard relayed to FXO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Codecs\u003c\/td\u003e\n\u003ctd\u003eG.711, G.723.1, G.729, G.726-32, iLBC, Opus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFax Support\u003c\/td\u003e\n\u003ctd\u003eT.38 Group 3 Fax Relay with G.711 Fax Pass-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConference Calling\u003c\/td\u003e\n\u003ctd\u003e3-Way Voice Conference Per Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaller ID\u003c\/td\u003e\n\u003ctd\u003eBellcore Type 1 \u0026amp; 2, ETSI, BT, NTT, DTMF-based CID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDTMF Methods\u003c\/td\u003e\n\u003ctd\u003eIn-audio, RFC2833, SIP INFO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecurity\u003c\/td\u003e\n\u003ctd\u003eSRTP, TLS, SIPS, HTTPS, AES Encryption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManagement\u003c\/td\u003e\n\u003ctd\u003eWeb Browser, SSH, Telnet, Syslog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.46 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003eHT881, Ethernet Cable, Quick Installation Guide (Power Supply Not Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year Manufacturer Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":58258937282863,"sku":"HT881","price":20200.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1780\/7915\/files\/grandstream-ht881-8-port-fxo-voip-gateway-front-view.webp?v=1785224666","url":"https:\/\/www.tpstech.in\/products\/grandstream-ht881-8-port-fxo-voip-gateway-for-sip-ip-pbx","provider":"tpstech.in","version":"1.0","type":"link"}