Linksys VoIP шлюз (SPA3000)

Product Description 1 10baseT RJ-45 Ethernet Port (IEEE 802.3) 1 RJ-11 FXS Phone Ports - For Analog Circuit Telephone Device (Tip/Ring) 1 RJ-11 FXO Phone Ports - For a Telco or PBX Connection FXS: Subscriber Line Interface Circuit (SLIC): MAC Address (IEEE 802.3) IPv4 - Internet Protocol v4 (RFC 791) upgradeable to v6 (RFC 1883) ARP - Address Resolution Protocol DNS - A Record (RFC 1706), SRV Record (RFC 2782) DHCP Client - Dynamic Host Configuration Protocol (RFC 2131) ICMP - Internet Control Message Protocol (RFC792) TCP - Transmission Control Protocol (RFC793) UDP - User Datagram Protocol (RFC768) RTP - Real Time Protocol (RFC 1889) (RFC 1890) RTCP - Real Time Control Protocol (RFC 1889) Voice Gateway SIPv2: Session Initiation Protocol v2 (RFC 3261, 3262, 3263, 3264) SIP Proxy Redundancy - Dynamic via DNS SRV, A Records Re-registration with Primary SIP Proxy Server SIP Support in Network Address Translation Networks - NAT (incl. STUN) Secure (Encrypted) Calling via Pre-Standard Implementation of Secure RTP Codec Name Assignment Voice Algorithms G. 711 (A-law and μ -law), G. 726 (16/24/32/40 kbps), G. 729 A, G. 723.1 (6.3 kbps, 5.3 kbps) Dynamic Payload Adjustable Audio Frames per Packet Fax Capability DTMF: In-band & Out-of-band (RFC 2833) (SIP Info) Flexible Dial Plan Support with Interdigit Timers and IP Dialing Call Progress Tone Generation Jitter Buffer - Adaptive Frame Loss Concealment Full Duplex Audio Echo Cancellation (G. 165/G. 168) VAD - Voice Activity Detection with Silence Suppression Attenuation / Gain Adjustments Flash Hook Timer MWI - Message Waiting Indicator Tones VMWI - Visual Message Waiting Indicator via FSK Polarity Control Hook Flash Event Signaling Caller ID Generation (Name & Number) - Bellcore, DTMF, ETSI Music on Hold Client Streaming Audio Server - up to 10 sessions Provisioning, Administration & Maintenance: Web Browser Administration & Configuration via Integrated Web Server Telephone Key Pad Configuration with Interactive Voice Prompts Automated Provisioning & Upgrade via HTTPS, HTTP, TFTP Asynchronous Notification of Upgrade Availability via SIP NOTIFY Non-intrusive Price Terms FOB SHENZHEN Payment Terms TT Packing COLOR BOX Lead Time 7 SKU Linksys (SPA3000)