{"product_id":"ucm6300-series-ip-pbx-unified-communications-up-to-3000-users-grandstream","title":"UCM6300 Series IP PBX | Unified Communications up to 3000 Users | Grandstream","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eAsterisk version 16, the Grandstream UCM6300 Series is a powerful and scalable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eaudio‑focused\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e unified communication platform. It centralizes business voice communication, including traditional telephony, VoIP calls, audio conferencing, voicemail, fax, intercoms, and call center features onto a single network.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for pure audio telephony\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the UCM6300 series supports up to 3000 users and up to 450 concurrent G.711 audio calls (UCM6308 model), with maximum concurrent SRTP encrypted audio calls reaching 300 on the same model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Codecs Supported:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eOpus (Full‑Band)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eG.711 A‑law\/U‑law\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eG.722, G.722.1, G.722.1C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eG.723.1 (5.3K\/6.3K)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eG.726‑32\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eG.729A\/B\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eiLBC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eGSM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eT.38 for fax\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Quality \u0026amp; Reliability:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eLEC with NLP packetized voice protocol unit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e128‑ms tail‑length carrier grade line echo cancellation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDynamic jitter buffer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eModem detection \u0026amp; auto‑switch to G.711\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eNetEQ, FEC 2.0\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eJitter resilience up to 50% audio packet loss\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAnalog Audio Connectivity (FXS \u0026amp; FXO ports):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUCM6301: 1 FXS port + 1 FXO port (RJ11)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUCM6302: 2 FXS + 2 FXO\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUCM6304: 4 FXS + 4 FXO\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eUCM6308: 8 FXS + 8 FXO\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eAll ports have \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elifeline capability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e during power outage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eNumber of ports can be expanded by peering with FXS\/FXO gateways\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Call Features (over 40 included):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCall park, call forward, call transfer, call waiting, caller ID, call record, call history, ringtone, IVR (up to 5 layers), music on hold, call routes, DID, DOD, DND, DISA, ring groups, simultaneous ring, time schedules, PIN groups, call queues, pickup groups, paging\/intercom, voicemail, call wakeup, SCA, BLF, voicemail‑to‑email, fax‑to‑email, speed dial, call back, dial by name, emergency call, call follow me, blacklist\/whitelist, audio conference (unlimited meeting rooms – up to 25 simultaneous public rooms on UCM6308, with up to 300 simultaneous participants combined in audio‑only mode), eventlist, feature codes, busy camp‑on\/call completion, voice control, post‑meeting reports, virtual fax sending\/receiving, email‑to‑fax.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCall Center Audio Features:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMultiple configurable call queues, automatic call distribution (ACD) based on agent skills\/availability\/workload, in‑queue announcements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Disconnect Methods:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBusy\/congestion\/howl tone, polarity reversal, hook flash timing, loop current disconnect.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDTMF Methods:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIn‑band audio, RFC2833, and SIP INFO.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Provisioning \u0026amp; Plug‑and‑Play:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMass provisioning using AES encrypted XML configuration file, auto‑discovery \u0026amp; auto‑provisioning of Grandstream IP endpoints via ZeroConfig (DHCP Option 66, multicast SIP SUBSCRIBE, mDNS), eventlist between local and remote trunk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eSecurity for Audio:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSRTP, TLS, HTTPS, SSH, 802.1X, ZRTP for media encryption. Advanced security protection with secure boot, unique certificate, and random default password.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHardware (Audio‑focused):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThree self‑adaptive Gigabit ports with PoE+ and NAT router support\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePeripheral ports: USB 2.0, USB 3.0, SD card interface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e320x240 color LCD with touch screen\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eReset switch (long press factory reset, short press reboot)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eWall mount or desktop mounting\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Operating Environment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOperating temperature: 32‑113°F \/ 0‑45°C, humidity 10‑90% (non‑condensing)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCompliance (Audio telephony standards):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFCC Part 68, CE (EN 55032, EN 55035), IC (CS‑003), RCM (AS\/CA 5002, AS\/CA 5003.1.2), Power adapter UL 60950‑1 or UL 62368‑1.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAudio Network Protocols:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSIP, TCP\/UDP\/IP, RTP\/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP\/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC‑ETH, PPP, Frame Relay (pending), IPv6, OpenVPN®.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-message _63c77b1\" style=\"--panel-width: 0px;\"\u003e\n\u003cdiv style=\"--ds-md-zoom: 1.143;\" class=\"ds-markdown\"\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe UCM6300 series delivers a carrier‑grade, audio‑only unified communication platform suitable for businesses of all sizes – from 500 users (UCM6301) up to 3000 users (UCM6308) – with rich analog\/PSTN integration, advanced call routing, and comprehensive audio telephony features.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"align-items: center; gap: 10px; flex-wrap: wrap-reverse;\" class=\"ds-flex _0a3d93b\"\u003e\n\u003cdiv style=\"align-items: center; gap: 10px;\" class=\"ds-flex _965abe9 _54866f7\"\u003e\n\u003cdiv aria-disabled=\"false\" role=\"button\" class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ds-icon-button__hover-bg\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 16 16\" height=\"16\" width=\"16\"\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-focus-ring\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-disabled=\"false\" role=\"button\" class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ds-icon-button__hover-bg\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 16 16\" height=\"16\" width=\"16\"\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-focus-ring\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-disabled=\"false\" role=\"button\" class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ds-icon-button__hover-bg\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 16 16\" height=\"16\" width=\"16\"\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-focus-ring\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-disabled=\"false\" role=\"button\" class=\"db183363 ds-icon-button ds-icon-button--m ds-icon-button--sizing-container\" tabindex=\"0\"\u003e\n\u003cdiv class=\"ds-icon-button__hover-bg\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-icon\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewbox=\"0 0 16 16\" height=\"16\" width=\"16\"\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Grandstream","offers":[{"title":"Default Title","offer_id":51532025495840,"sku":"PLC-322P-IR2\/PM","price":110000.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/7000\/8864\/files\/ucm6300-series-ip-pbx-unified-communications-up-to-3000-users-grandstream-plc-322p-ir2pm-8003848.png?v=1777380972","url":"https:\/\/hdmi.com.pk\/products\/ucm6300-series-ip-pbx-unified-communications-up-to-3000-users-grandstream","provider":"UGREEN PAKISTAN","version":"1.0","type":"link"}