{"product_id":"grandstream-ucm6304a","title":"Grandstream UCM6304A IP PBX VoIP Gateway 4 FXO 4 FXS 150 Concurrent Calls","description":"\u003ch2\u003ePRODUCT OVERVIEW\u003c\/h2\u003e\u003cp\u003eGrandstream UCM6304A unified communications IP PBX platform supporting up to 1000 SIP users with integrated FXO\/FXS interfaces, centralized collaboration tools, GDMS cloud management, and remote connectivity support.\u003c\/p\u003e\u003ch2\u003ePRODUCT TYPE\u003c\/h2\u003e\u003cp\u003eVoIP\u003c\/p\u003e\u003ch2\u003eKEY FEATURES\u003c\/h2\u003e\u003cp\u003e• Unified communications and collaboration IP PBX solution\u003cbr\u003e• Supports up to 1000 SIP users\u003cbr\u003e• Supports up to 150 concurrent calls\u003cbr\u003e• Includes 4 FXO ports and 4 FXS ports\u003cbr\u003e• Built-in audio conferencing platform\u003cbr\u003e• Supports up to 7 audio conference rooms with 120 participants\u003cbr\u003e• Compatible with Grandstream Wave desktop and mobile applications\u003cbr\u003e• Centralized cloud management through GDMS integration\u003cbr\u003e• Supports router and switch operating modes\u003cbr\u003e• Automated NAT firewall traversal service for secure remote connectivity\u003cbr\u003e• Flexible extension access from IP phones, desktops, laptops, and smart devices\u003cbr\u003e• Supports extensive telephony features including IVR, ring groups, call queues, intercom, and call center functionality\u003cbr\u003e• Hybrid deployment model combining on-premises and cloud connectivity\u003cbr\u003e• Audio-only platform without video collaboration support\u003cbr\u003e• USB 3.0 and SD card expansion support\u003c\/p\u003e\u003ch2\u003eTECHNICAL SPECIFICATIONS\u003c\/h2\u003e\u003cp\u003e• Manufacturer: Grandstream\u003cbr\u003e• Model: UCM6304A\u003cbr\u003e• Product Series: UCM6300A\u003cbr\u003e• Product Type: IP PBX VoIP Phone System\u003cbr\u003e• SIP Users Supported: 1000\u003cbr\u003e• Concurrent Calls: 150\u003cbr\u003e• SRTP Sessions: 120\u003cbr\u003e• Audio Conference Capacity: 7 rooms \/ 120 participants\u003cbr\u003e• FXS Ports: 4\u003cbr\u003e• FXO Ports: 4\u003cbr\u003e• Network Interfaces: 3 x Gigabit Ethernet (10\/100\/1000)\u003cbr\u003e• NAT Router: Supported\u003cbr\u003e• Operating Modes: Router and Switch Mode\u003cbr\u003e• Peripheral Ports: 1 x USB 3.0, 1 x SD Slot\u003cbr\u003e• Display Type: 320 x 240 Color LCD\u003cbr\u003e• Supported Voice and Fax Codecs: Opus, G.711 A-law\/U-law, G.722, G722.1, G722.1C, G.723.1 5.3K\/6.3K, G.726-32, G.729A\/B, iLBC, GSM, T.38\u003cbr\u003e• Cloud Management Platform: GDMS\u003cbr\u003e• Compatible Remote Connectivity Service: UCM RemoteConnect\u003cbr\u003e• RemoteConnect License Options: UCM-RC-PLUS, UCM-RC-PRO, UCM-RC-BUSINESS, UCM-RC-ENTERPRISE\u003c\/p\u003e","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":51345528717590,"sku":"UCM6304A","price":476.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/6675\/1766\/files\/UCM6304A.webp?v=1779979208","url":"https:\/\/ehubamerica.com\/products\/grandstream-ucm6304a","provider":"EhubAmerica","version":"1.0","type":"link"}