{"product_id":"vic2-4fxo","title":"VIC2-4FXO Cisco 4 port voice\/fax interface card","description":"\u003ch3\u003eCisco VIC2-4FXO - 4-Port Foreign Exchange Office Voice Interface Card\u003c\/h3\u003e\n\u003cp\u003eThe Cisco VIC2-4FXO is a \u003cstrong\u003evoice interface card (VIC)\u003c\/strong\u003e that provides four Foreign Exchange Office (FXO) ports for connecting Cisco routers to the public switched telephone network (PSTN). It enables integration of analog voice lines into IP telephony systems, making it ideal for branch offices and hybrid deployments.\u003c\/p\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Voice Interface Card (VIC)\u003c\/li\u003e\n\u003cli\u003ePorts: 4 FXO analog voice ports\u003c\/li\u003e\n\u003cli\u003eFunction: Connects Cisco routers to PSTN or PBX systems\u003c\/li\u003e\n\u003cli\u003eCompatibility: Cisco 2600XM, 2691, 2800, 2900, 3700, 3800, 3900, 4000 Series ISR routers\u003c\/li\u003e\n\u003cli\u003eProtocols Supported: SIP, SCCP, MGCP (via IOS)\u003c\/li\u003e\n\u003cli\u003eFeatures: Caller ID, call forwarding, conferencing, and supplementary analog services\u003c\/li\u003e\n\u003cli\u003eForm Factor: Modular VIC card, hot-swappable in supported routers\u003c\/li\u003e\n\u003cli\u003eStandards: PSTN signaling compliance (loop-start, ground-start)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e🧩 \u003cstrong\u003eIdeal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBranch offices needing PSTN connectivity for IP telephony\u003c\/li\u003e\n\u003cli\u003eHybrid deployments integrating analog lines with VoIP systems\u003c\/li\u003e\n\u003cli\u003eFax machine and modem support in IP environments\u003c\/li\u003e\n\u003cli\u003eBackup voice connectivity in case of WAN or VoIP outages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-effective PSTN integration\u003c\/strong\u003e: Allows Cisco routers to connect directly to analog telephone lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexibility\u003c\/strong\u003e: Supports a wide range of analog calling features.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh availability\u003c\/strong\u003e: Provides fallback connectivity during WAN or VoIP disruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalability\u003c\/strong\u003e: Can be combined with other VICs for larger deployments.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Cisco","offers":[{"title":"New","offer_id":46926156267712,"sku":"VIC2-4FXO-New","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":46926156300480,"sku":"VIC2-4FXO-Refurbished","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/8167\/8272\/files\/p3-interface-card-icon_f16d9513-f920-4888-8e7d-f1442c85eea9.jpg?v=1767982529","url":"https:\/\/www.p3online.com\/products\/vic2-4fxo","provider":"P3 Online","version":"1.0","type":"link"}