πππππππ πππππGrandstream UCM6304A IP PBX VoIP Phone System with 4 FXO and 4 FXS Ports βββββββββββββββββββββββββββββββββββββββββββββββββββββπππππππ ππππππππGrandstream 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. βββββββββββββββββββββββββββββββββββββββββββββββββββββπππππππ ππππ / ππππππππNetworkingVoIP βββββββββββββββββββββββββββββββββββββββββββββββββββββπππ π πππππππβ’ Unified communications and collaboration IP PBX solutionβ’ Supports up to 1000 SIP usersβ’ Supports up to 150 concurrent callsβ’ Includes 4 FXO ports and 4 FXS portsβ’ Built-in audio conferencing platformβ’ Supports up to 7 audio conference rooms with 120 participantsβ’ Compatible with Grandstream Wave desktop and mobile applicationsβ’ Centralized cloud management through GDMS integrationβ’ Supports router and switch operating modesβ’ Automated NAT firewall traversal service for secure remote connectivityβ’ Flexible extension access from IP phones, desktops, laptops, and smart devicesβ’ Supports extensive telephony features including IVR, ring groups, call queues, intercom, and call center functionalityβ’ Hybrid deployment model combining on-premises and cloud connectivityβ’ Audio-only platform without video collaboration supportβ’ USB 3.0 and SD card expansion support βββββββββββββββββββββββββββββββββββββββββββββββββββββπππππππππ ππππππ ππππππππβ’ Manufacturer: Grandstreamβ’ Model: UCM6304Aβ’ Product Series: UCM6300Aβ’ Product Type: IP PBX VoIP Phone Systemβ’ SIP Users Supported: 1000β’ Concurrent Calls: 150β’ SRTP Sessions: 120β’ Audio Conference Capacity: 7 rooms / 120 participantsβ’ FXS Ports: 4β’ FXO Ports: 4β’ Network Interfaces: 3 x Gigabit Ethernet (10/100/1000)β’ NAT Router: Supportedβ’ Operating Modes: Router and Switch Modeβ’ Peripheral Ports: 1 x USB 3.0, 1 x SD Slotβ’ Display Type: 320 x 240 Color LCDβ’ 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.38β’ Cloud Management Platform: GDMSβ’ Compatible Remote Connectivity Service: UCM RemoteConnectβ’ RemoteConnect License Options: UCM-RC-PLUS, UCM-RC-PRO, UCM-RC-BUSINESS, UCM-RC-ENTERPRISE βββββββββββββββββββββββββββββββββββββββββββββββββββββπππππππ πππ / ππππππππππππβ’ Business unified communications deploymentsβ’ VoIP telephony systemsβ’ Remote workforce collaborationβ’ Audio conferencing environmentsβ’ Centralized business communications infrastructureβ’ SIP trunking and analog line integration βββββββββββββββββββββββββββββββββββββββββββββββββββββππππππππβ’ Handling time: up to 2 business daysβ’ Orders often ship the same business dayβ’ Orders are not shipped on weekends or holidaysβ’ Carrier is seller-selected (UPS, USPS, FedEx, or equivalent)β’ Shipping delays may occur during high-volume periods or carrier-related issues β’ Shipments to Alaska, Hawaii, Puerto Rico, or Guam may be cancelled due to costβ’ Orders over $100 require a valid postal addressβ’ Orders over $250 require insurance and signature confirmationβ’ International buyers are responsible for customs duties and import taxesβ’ Restricted destinations: Cuba, Iran, North Korea, Sudan, Syria, Russia βββββββββββββββββββββββββββββββββββββββββββββββββββββπππππππβ’ Returns accepted within 30 daysβ’ Item must be returned in the same condition as receivedβ’ Seller pays return shipping βββββββββββββββββββββββββββββββββββββββββββββββββββββππππ ππππππππ ππππππππππProduct details are based on available manufacturer information and may be subject to change without notice. βββββββββββββββββββββββββββββββββββββββββββββββββββββππππ / ππππππ ππππππFor bulk orders or volume inquiries, please contact us to confirm availability and pricing. βββββββββββββββββββββββββββββββββββββββββββββββββββββπππππ ππππ πππππππeHub America is a U.S.-based technology distributor specializing in two-way communications, networking, and security solutions. We operate with strict catalog standards, manufacturer-verified product data, and dependable order fulfillment. Our focus is serving professional, commercial, and institutional customers with consistency, accuracy, and operational reliability.