Condição de SPA8000-G1: novo recertificado grade A
O Gateway Digital VoIP Cisco SPA8000 de 8 Linhas é um Adaptador VoIP ATA completo para pequenas e médias empresas utilizarem serviços de telecomunicações através de sua conexão de internet banda larga. O SPA8000 fornece comunicação perfeita com alta qualidade de voz nas mais diversas condições de rede.
Data networking
-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)
-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)
-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)
-VLAN tagging (IEEE 802.1p)
-Simple Network Time Protocol (SNTP) (RFC 2030)
-Upload data rate limiting-static and automatic
-Quality of service (QoS)-voice packet prioritization over other packet types
-MAC address cloning
-Port forwarding
-Session Initiation Protocol (SIP) channels support both UDP and TCP transport
-VPN pass-through with IP Security encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP)
Voice gateway
-SIP v2 (RFC 3261, 3262, 3263, 3264)
SIP proxy redundancy-dynamic via DNS SRV, A records
Reregistration with primary SIP proxy server
-SIP support in Network Address Translation (NAT) networks (including Serial Tunnel [STUN])
-Secure (encrypted) calling via prestandard implementation of Secure RTP
-Codec name assignment
G.711 (a-law and Ê-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 tone detection pass-through
-Fax pass-though (using G.711)
-Dual-tone multifrequency (DTMF): in-band and 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)
-Voice activity detection (VAD) with silence suppression
-Comfort noise generation (CNG)
-QoS (Ethernet port upstream bandwidth control, physical port, MAC address, application)
-Attenuation/gain adjustments
-Flash hook timer
-Message waiting indicator (MWI) tones
-Visual message waiting indicator (VMWI) via frequency shift keying (FSK)
-Polarity control
-Hook flash event signaling
-Caller ID generation (name and number)-Bellcore, DTMF, European Telecommunications Standards Institute (ETSI)
-Music on hold client
-Streaming audio server-up to 10 sessions
-System dial-on-demand routing (DDR) synchronous dynamic RAM (SDRAM)-16 MB
-System flash ROM-4 MB
Security
-Password-protected system reset to factory default
-Password-protected administrator and user access authority
-Provisioning/configuration/authentication:
HTTPS with factory-installed client certificate
-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)
-SIP TLS
-Up to 256-bit Advanced Encryption Standard (AES) encryption
Power supply
-Switching type (100.240V) automatic
-DC input voltage: 12V DC at 3.0A max.
-Power adapter: 100.240V, 50.60 Hz AC input
Indicator lights/LEDs
Power, Ethernet, Voice Status, Phone 1 through 8
SPA8000-G1 Gateway Cisco 8 Portas FXS VoIP
Condição de SPA8000-G1: novo recertificado grade A
Tags de SPA8000-G1: SPA8000-G1, SPA8000G1, SPA8000 G1, Gateway 8 portas, Gateway Fxs Voip, Cisco Systems, Cisco Systems
