Telefony i bramki VoIP

Model	SPA8000
Ruch sieciowy	MAC address (IEEE 802.3) IPv4 - Internet Protocol v4 (RFC 791) ARP - AddressResolution Protocol DNS - A record (RFC 1706), SRV record (RFC 2782) DHCP Client - Dynamic Host Configuration Protocol (RFC 2131) Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) TCP - TransmissionControl Protocol (RFC793) Internet Control Message Protocol (ICMP) (RFC 792) User Datagram Protocol (UDP) (RFC 768) RTP - Real Time Protocol (RFC 1889) (RFC 1890) RTCP - Real Time Control Protocol (RFC 1889) DiffServ -Differentiated Services (RFC 2475) ToS - Type of Service (RFC 791, 1349) VLAN tagging 802.1p/Q - Layer 2 quality of service (QoS) SNTP - Simple Network Time Protocol (RFC 2030) Upload data rate limiting-static andautomatic 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 IPSecurity encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP)
Bramka głosowa	SIP v2 - Session Initiation Protocol version 2 (RFC3261, 3262, 3263, 3264) SIP proxy redundancy - dynamic via DNS SRV, A records Reregistration with primary SIP proxy Server SIP support in NAT networks (including STUN) Adjustable audio frames per packet DTMF - Dual-tonemultifrequency, in-band and out-of-band (RFC 2833) (SIP INFO) Flexible dial plan support with interdigit Times IP address/URI dialing support 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, physicalport, 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

(1)">

• 8 portów RJ-11 dla telefonów analogowych lub urządzeń FAX
• Impedance: 8 ustawień
• Call waiting, cancel call waiting, call waiting caller ID
• Caller ID with name and number (multinational variants)
• Caller IDblocking
• Call forwarding: no answer, busy, all
• Do not disturb
• Call transfer
• Three-way conference calling with local mixing
• Message waiting indication-visual and tone based
• Call return
• Call back on busy
• Call blocking with toll restriction
• Delayed disconnect
• Distinctive ringing-calling and called number
• Off-hook warning tone
• Selective/anonymous call rejection
• Touch-tone phoneTouch-tone phone keypad configuration with interactive voice response (IVR)
  Fax: G.711 pass-through or real-time fax over IP via T.38

Model	SPA8000
Ruch sieciowy	MAC address (IEEE 802.3) IPv4 - Internet Protocol v4 (RFC 791) ARP - AddressResolution Protocol DNS - A record (RFC 1706), SRV record (RFC 2782) DHCP Client - Dynamic Host Configuration Protocol (RFC 2131) Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) TCP - TransmissionControl Protocol (RFC793) Internet Control Message Protocol (ICMP) (RFC 792) User Datagram Protocol (UDP) (RFC 768) RTP - Real Time Protocol (RFC 1889) (RFC 1890) RTCP - Real Time Control Protocol (RFC 1889) DiffServ -Differentiated Services (RFC 2475) ToS - Type of Service (RFC 791, 1349) VLAN tagging 802.1p/Q - Layer 2 quality of service (QoS) SNTP - Simple Network Time Protocol (RFC 2030) Upload data rate limiting-static andautomatic 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 IPSecurity encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP)
Bramka głosowa	SIP v2 - Session Initiation Protocol version 2 (RFC3261, 3262, 3263, 3264) SIP proxy redundancy - dynamic via DNS SRV, A records Reregistration with primary SIP proxy Server SIP support in NAT networks (including STUN) Adjustable audio frames per packet DTMF - Dual-tonemultifrequency, in-band and out-of-band (RFC 2833) (SIP INFO) Flexible dial plan support with interdigit Times IP address/URI dialing support 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, physicalport, 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

(1)http://www.grandstream.com/index.php/products/ip-voice-telephony/enterprise-analog-gateways/gxw42xx (1)http://www.grandstream.com/products/gxp_series/gxp1628/marketing/gxp1628_datasheet_polish.pdf (1)