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Cisco SPA122 2 Port Phone Adapter with Router

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Descriere

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Disponibilitate: Indisponibil - Vezi produse similare

Specificatii

SPA122
Porturi: 1
Standarde: IEEE 802.1p
IEEE 802.3
Alimentare (V/Hz) Power consumption: 5W
Power adapter: 100-240V and 50-60 Hz (26-34 VA) AC input, with 1.8m cord
DC input voltage: 5V DC at 2.0A maximum
Switching type (100-240V) automatic
Altele: Do not distu
Fax tone detection pass-through
Idle channel noise: 72 dB (typical)
Silence suppression
Long silence (configurable time setting) silence threshold
Off-hook current: 18-25 mA
QoS (Ethernet port upstream bandwidth control)
Streaming audio server: Up to 10 sessions
Three-way conference calling with local mixing
Real-time fax over IP using T.38 fax relay (T.38 support is dependent on fax machine and network and transport resilience)
Off-hook threshold (line seizure): Rdc max 1000 ohm
Attenuation and gain adjustments
Configurable ring frequency
150 nF complex impedance
Jitter buffer: Adaptive
Call waiting, call waiting and caller ID
Call blocking with toll restriction
Ring voltage: 40-90 Vpk configurable
Rdc DC supervisory range: Rdc min 450 ohm
Message waiting indicator (MWI) tones
Tip and ring voltage adjustment setting
Return loss (600 ohm, 300-3400 Hz): up to 20 dB
Full-duplex audio
Caller ID blocking
Off-hook warning tone
Ring waveform: Trapezoidal
Polarity control
Call forwarding: No answer, busy, and all
Fax capability :
Total harmonic distortion (THD) (350 mV peak at 300 Hz): up to 3%
Voice activity detection (VAD)
Hotline and warmline calling
On-hook voltage (tip and ring): -46 to -56V
Voice features :
Caller ID generation (name and number): Bellcore, DTMF, and European Telecommunications Standards Institute (ETSI)
Call transfer, call return, and call back on busy
Fax pass-through using G.711
Longitudinal balance: 55 dB (typical)
Comfort noise generation (CNG)
Disconnect tone (for example, reorder tone)
Terminating impedance: 600 ohm resistive or 270 ohm + 750 ohm
Call progress tone generation
Music on hold
Per-call authentication and associated routing
Subscriber line interface circuit (SLIC) :
On-hook threshold (line release): Rdc min 10000 ohm
Flash hook time
Ring validation time setting
Frequency response: 300-3400 Hz
Frame loss concealment
Caller ID with name and numbe
Distinctive ringing: Calling and called numbe
Ring frequency: 20-25 Hz
Visual messaging waiting indicator (VMWI) using frequency shift keying (FSK)
Selective and anonymous call rejection
Ring indication delay setting
Insertion loss (1 Vrms at 1 kHz): 3-4 dB
Echo cancellation (G.165 and G.168)
Advanced inbound and outbound call routing
Maximum ringer load: 5 ringer equivalence numbers (RENs)
Hook flash event signaling
Dimensiuni (W x D x H mm): 101 x 101 x 28 mm
Functii: G.711 (A-law and μ-law)
Voice gateway :
G.729 A
SIP proxy redundancy: dynamic through use of DNS SRV A records
Adjustable audio frames per packet
SIP support in Network Address Translation (NAT) networks (including Serial Tunnel [STUN])
Independent configurable dial plans with interdigit timers and IP dialing (1 per port)
Codec name assignment
G.726 (32 kbps)
SIPv2 (RFC 3261, 3262, 3263, and 3264)
Dynamic payload
Reregistration with primary SIP proxy serve
Dual-tone multifrequency (DTMF): in-band and out-of-band (RFC 2833) (SIP information)
Highly secure (encrypted) calling using Secure RTP (SRTP)
Greutate (g): 153g
Interfata: 1 LAN 100BASE-T RJ-45 Ethernet Port (IEEE 802.3)
Reset button
1 WAN 100BASE-T RJ-45 Ethernet Port (IEEE 802.3)
2 RJ-11 FXS phone ports for analog circuit telephone device (tip and ring)
LED Indicators Phone 1, phone 2, Internet, and power
Management: Nonintrusive, in-service upgrades
Statistics in Bye message
Ping and traceroute diagnostics
Telephone keypad configuration with interactive voice prompts
Support for Bonjou
Asynchronous notification of upgrade availability using Notify
Report generation and event logging
Debug and syslog server records: Per-line configurable web browse
Web browser administration and configuration using integral web serve
Configuration management: Backup and restore
Automated provisioning and upgrade using HTTPS, HTTP, and Trivial File Transfer Protocol (TFTP) TR-069
Protocoale suportate: TCP (RFC 793)
Address Resolution Protocol (ARP)
MAC address cloning
Real Time Protocol (RTP) (RFC 1889) (RFC 1890)
Dynamic Host Configuration Protocol (DHCP) server and client (RFC 2131)
SIP channels support both UDP and TCP transport
Differentiated Services (DiffServ) (RFC 2475) and type of service (ToS) (RFC 791/1349)
DHCP Options 159 and 160
Simple Network Time Protocol (SNTP) (RFC 2030)
Internet Control Message Protocol (ICMP) (RFC 792)
IPv4 (RFC 791) upgradeable to IPv6 (RFC 1883)
QoS voice packet prioritization over other packet types
User Datagram Protocol (UDP) (RFC 768)
Domain Name System (DNS) A record (RFC 1706) and SRV record (RFC 2782)
Port forwarding
Real Time Control Protocol (RTCP) (RFC 1889)
DHCP client reservation
VPN pass-through with IP Security encapsulating security payload (IPsec ESP), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling Protocol (L2TP)
VLAN tagging (IEEE 802.1p)
Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516)
MAC address (IEEE 802.3)
Upload data rate limiting: static and automatic
Securitate: HTTPS with factory-installed client certificate
Up to 256-bit Advanced Encryption Standard (AES) encryption
Password-protected system reset to factory default
Provisioning, configuration, and authentication
HTTP digest: Encrypted authentication using MD5 (RFC 1321)
SIP Transport Layer Security (TLS)
Password-protected administrator and user access authority

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