Nu , Power, Ethernet, Voice Status, Phone 1 through 8 , SIP TLSUp to 256-bit Advanced Encryption Standard (AES) encryptionWeb browser administration and configuration via integral web serverTelephone keypad configuration with interactive voice prompts , Streaming audio server-up to 10 sessionsSystem dial-on-demand routing (DDR) synchronous dynamic RAM (SDRAM)-16 MBSystem flash ROM-4 MB , Voice activity detection (VAD) with silence suppressionComfort noise generation (CNG)QoS (Ethernet port upstream bandwidth control, physical port, MAC address, application)Attenuation/gain adjustments , Secure (encrypted) calling via prestandard implementation of Secure RTPCodec name assignmentG. 711 (a-law and micro-law)G. 726 (16/24/32/40 kbps)G. 729 A , MAC address cloningPort forwardingSession Initiation Protocol (SIP) channels support both UDP and TCP transport , 150 nF complex impedanceFrequency response 300-3400 HzReturn loss (600 ohm, 300-3400 Hz) up to 20 dBInsertion loss (1 Vrms at 1 kHz) 3-4 dBTotal harmonic distortion (THD) (350 mV peak at 300 Hz) up to 3% , DHCP server (RFC 2131)Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516)Internet Control Message Protocol (ICMP) (RFC 792)TCP (RFC 793)User Datagram Protocol (UDP) (RFC 768) , Automated provisioning and upgrade via HTTPS, HTTP, Trivial File Transfer Protocol (TFTP)Asynchronous notification of upgrade availability via NOTIFYNonintrusive, in-service upgradesReport generation and event logging , MAC address (IEEE 802.3)IPv4 (RFC 791), upgradable to v6 (RFC 1883)Address Resolution Protocol (ARP)DNS A record (RFC 1706), SRV record (RFC 2782)Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) , Password-protected system reset to factory defaultPassword-protected administrator and user access authorityProvisioning/configuration/auth entication:HTTPS with factory-installed client certificate , Flash hook timerMessage waiting indicator (MWI) tonesVisual message waiting indicator (VMWI) via frequency shift keying (FSK)Polarity controlHook flash event signaling , G. 723.1 (6.3 kbps, 5.3 kbps)Dynamic payloadAdjustable audio frames per packetFax tone detection pass-throughFax pass-though (using G. 711)Dual-tone multifrequency (DTMF): in-band and out-of-band (RFC 2833) (SIP info) , VPN pass-through with IP Security encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP) , Idle channel noise-72 dB (typical)Longitudinal balance 55 dB (typical)Off-hook threshold (line seizure) Rdc1000 ohmOn-hook threshold (line release) Rdc 10000 ohmRdc DC supervisory range Rdc450 ohm , Real Time Protocol (RTP) (RFC 1889, 1890)Real Time Control Protocol (RTCP) (RFC 1889)Differentiated Services (DiffServ) (RFC 2475), type of service (ToS) (RFC 791, 1349) , Stats in BYE messageSyslog and debug server recordsPer-line and purpose configurable syslog and debug optionsRing voltage: 40-90 Vpk configurableRing frequency: 20-25 HzRing waveform: trapezoidal , HTTP digest-encrypted authentication via MD5 (RFC 1321)Authentication: Extensible Authentication Protocol Transport Layer Security (EAP-TLS), EAP Tunneled Transport Layer Security (EAP-TTLS), and Protected EAP (PEAP) , Caller ID generation (name and number)-Bellcore, DTMF, European Telecommunications Standards Institute (ETSI)Music on hold client , Flexible dial plan support with interdigit timers and IP dialingCall progress tone generationJitter buffer-adaptiveFrame loss concealmentFull-duplex audioEcho cancellation (G. 165/G. 168) , SIP v2 (RFC 3261, 3262, 3263, 3264)SIP proxy redundancy-dynamic via DNS SRV, A recordsReregistration with primary SIP proxy serverSIP support in Network Address Translation (NAT) networks (including Serial Tunnel [STUN]) , VLAN tagging (IEEE 802.1p)Simple Network Time Protocol (SNTP) (RFC 2030)Upload data rate limiting-static and automaticQuality of service (QoS)-voice packet prioritization over other packet types , Maximum ringer load: 5 ringer equivalence numbers (RENs)On-hook/off-hook characteristics:On-hook voltage (tip/ring): -46 ~ -56VOff-hook current: 18-25 mATerminating impedance: 600 ohm resistive or 270 ohm + 750 ohm , 170 x 39 x 220 mm , Switching type (100-240V) automaticDC input voltage: 12V DC at 3.0A max. Power adapter: 100-240V, 50-60 Hz AC input - spa8000-g5


Denumiri similare la Adapter VOIP Cisco SPA8000-G5: SPA 8000 G 5, SPA8000G5, SPA8000 G5, SPA 8000-G5, SPA8000-G 5

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