{"product_id":"audiocodes-mediapack-mp504-4s-sip-4-fxs","title":"AudioCodes MediaPack MP504\/4S\/SIP 4 FXS Analog VoIP Gateway – SIP Trunking for Legacy Phones, Faxes \u0026 PBX in Small Offices \u0026 Branches","description":"\u003cp dir=\"auto\"\u003eIf you run a small office or branch location and want to keep using your reliable analog phones, fax machines, and modems while moving to a modern SIP VoIP or Microsoft Teams phone system, the AudioCodes MediaPack MP504\/4S\/SIP is exactly what you need. This compact 4-port FXS analog VoIP gateway makes the transition simple, secure, and cost-effective. You get crystal-clear voice calls, reliable fax transmission, and easy management without ripping out your existing equipment. Whether you’re connecting a few desk phones or bridging a legacy PBX, the MP504 delivers enterprise-grade performance in a desktop-friendly package that’s ready to go right out of the box.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003eDirect Routing Teams Integrations, high level features, and access to Audiocodes support may require an additional license or support contract.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003eKey Features\u003c\/h2\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e4 FXS loop-start ports let you connect up to four analog telephones, fax machines, or modems directly\u003c\/li\u003e\n\u003cli\u003eSuperior voice quality with advanced echo cancellation (G.168 up to 128 ms) and support for G.711, G.723.1, G.729A, and G.722 codecs\u003c\/li\u003e\n\u003cli\u003eT.38 real-time fax compliant plus automatic bypass to PCM for maximum reliability\u003c\/li\u003e\n\u003cli\u003eComprehensive SIP interoperability with leading platforms including Microsoft Teams SIP Gateway\u003c\/li\u003e\n\u003cli\u003eBuilt-in 3-way conference calling, Message Waiting Indication (MWI), Caller ID, polarity reversal, metering tones, and distinctive ringing\u003c\/li\u003e\n\u003cli\u003eDual Gigabit Ethernet ports (1 WAN + 1 LAN) for flexible networking and high resiliency\u003c\/li\u003e\n\u003cli\u003eZero-touch provisioning and standalone survivability keep your branch running smoothly during outages\u003c\/li\u003e\n\u003cli\u003eOptional data routing, security features, and long-haul support (up to 4.4 km) for maximum flexibility\u003c\/li\u003e\n\u003cli\u003eSecure voice with SRTP on all channels and easy management via web interface, SNMP, or TR-069\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"auto\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelephony Interfaces\u003c\/strong\u003e: 4 FXS loop-start ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Interfaces\u003c\/strong\u003e: 1 × 10\/100\/1000 Mbps WAN copper Ethernet, 1 × 10\/100\/1000 Mbps LAN copper Ethernet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice \u0026amp; Fax\u003c\/strong\u003e: G.711, G.723.1, G.729A, G.722; echo cancellation (G.165\/G.168); T.38 compliant fax; DTMF in-band\/out-of-band (RFC 2833, SIP INFO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignaling\u003c\/strong\u003e: SIP over UDP, TCP, TLS; IPv6 support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e: AC 100–240 V, 50–60 Hz (12 V \/ 3 A adapter included); optional dual power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (H × W × D)\u003c\/strong\u003e: 51 × 296 × 160 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 670 g (1.5 lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Tabletop, wall-mount, or rack-mount with optional shelf\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental\u003c\/strong\u003e: Operating 5–40 °C (41–104 °F), storage –25–85 °C, 10–90 % non-condensing humidity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications \u0026amp; Compliance\u003c\/strong\u003e: Microsoft Teams SIP Gateway certified; full interoperability with major UC vendors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSee \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0338\/6245\/1337\/files\/mediapack-5xx-mp-5xx-series-analog-voip-gateways-datasheet.pdf?v=1722275741\"\u003eAudiocodes MP-5xx datasheet\u003c\/a\u003e for more information.\u003c\/p\u003e","brand":"AudioCodes","offers":[{"title":"Default Title","offer_id":45600866566281,"sku":"MP504\/4S\/SIP","price":414.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0338\/6245\/1337\/files\/audiocodes-mediapack-mp5044ssip-4-fxs-analog-voip-gateway-sip-trunking-for-legacy-phones-faxes-pbx-in-small-offices-branchesmp5044ssip-1626468.jpg?v=1776656287","url":"https:\/\/www.thetelecomspot.com\/products\/audiocodes-mediapack-mp504-4s-sip-4-fxs","provider":"The Telecom Spot","version":"1.0","type":"link"}