Cisco SB SPA8800 IP Telephony Gateway with 4 FXS and 4 FXO Ports

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Cisco SPA8800 IP Telephony Gateway with 4 FXS and 4 FXO Ports

•External FXO gateway device for an on-premise IP PBX
•Adds VoIP to a legacy TDM PBX or key system
•Clear, high-quality voice communications
•Uses standard encryption-based protocols for high security
•Single multiport RJ-21 50-pin connector

Physical interfaces
• 4 RJ-11 FXS phone ports for analog circuit telephone device(s) (tip/ring)
• 4 RJ-11 FXO line ports for telco or PABX or KTS connection(s)
• RJ-21 (50-pin telco connector) multiport voice connection
• 1 WAN 100BASE-T RJ-45 Ethernet port (IEEE 802.3)
• 1 AUX 100BASE-T RJ-45 Ethernet port (IEEE 802.3) for Maintenance

Data networking
• MAC address (IEEE 802.3)
• IPv4 (RFC 791)
• 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)
• Transport Control Protocol (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
• SIP channels support both User Datagram Protocol (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 features
• SIP version 2
• Dual-tone multifrequency (DTMF) tone detection and generation
• Voice Activity Detection (VAD)
• Comfort Noise Generation (CNG) compatible
• Silence suppression
• Call waiting, call waiting caller ID (FXS ports only)
• Caller ID with name/ number
• Caller ID blocking
• Call forwarding: no answer, busy, all
• Do not disturb
• Call transfer, call return, call back on busy
• Fax: G.711 pass-through or real-time fax over IP via T.38 fax relay
(T.38 support is dependent on fax machine and network/transport resilience)
• Supports multiple voice codecs: G.711a, G.711u, G.726,G.729A, G.723.1
• SIP over TLS
• Three-way conference calling with local mixing
• Per-call authentication and associated routing
• Call blocking with toll restriction
• Delayed disconnect
• Distinctive ringing: calling and called number
• Off-hook warning tone
• Selective/anonymous call rejection
• VoIP to PSTN (USA) service call origination and termination
• PSTN (USA) to VoIP service call origination and termination
• Forward calls to VoIP service: selective, authenticated, all
• Forward calls to PSTN service: selective, authenticated, all
• Automatic PSTN fallback (loss of power or IP service to unit, with quiescence to normal operations): fixed fallback pairing of FXS ports to FXO ports
• Advanced inbound and outbound call routing
• Independent configurable dial plans (1 per port)
• Force PSTN disconnection

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Stránky o produkte:

http://www.cisco.com/en/US/prod/collateral/voicesw/ps6790/gatecont/ps10024/ps10446/data_sh

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