Cisco SPA303-G2

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Descrierea produsului
Caracteristici tehnice
Telefon IP Cisco SPA303-G2  Tip:Telefon IPAgenda telefonica:100 intrariCaller ID:DaRedial:DaRestrictionare apel:DaData/ora:DaLCD grafic:128 x 64 monochrome graphical liquid crystal displayCaracteristici speciale:
Voicemail waiting indicator (VMWI), via NOTIFY, SUBSCRIBE
Caller ID support (name and number)
Third-party call control (RFC 3725),
Voice gateway :
SIP version 2 (RFC 3261, 3262, 3263, 3264)
SPCP with the Cisco Unified Communications 500 Series
SIP proxy redundancy: dynamic via DNS SRV, A records
Re-registration with primary SIP proxy server,
Call progress tone generation
Jitter buffer: adaptive
Frame loss concealment
Voice activity detection (VAD) with silence suppression
Attenuation/gain adjustments
Message waiting indicator (MWI) tones,
Automated provisioning and upgrade via HTTPS, HTTP, TFTP
Asynchronous notification of upgrade availability via NOTIFY
Nonintrusive in-service upgrades
Report generation and event logging
Statistics transmitted in BYE message,
SIP support in NAT networks (including STUN)
SIPFrag (RFC 3420)
Highly secure (encrypted) calling via Secure Real-Time Transport Protocol (SRTP)
SIP/TLS
Codec name assignment
Voice algorithms:G. 711;G. 726;G. 729 AB;G. 722,
RTCP-XR
Syslog and debug server records: configurable per line,
Provisioning, administration, and maintenance :
Integrated web server provides web-based administration and configuration
Telephone keypad configuration via display menu/navigation,
Dynamic payload support
Adjustable audio frames per packet
Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO)
Flexible dial plan support with interdigit timers
IP address/URI dialing support,
RTCP-XR( RFC 3611 )
DiffServ(RFC 2475)
ToS(RFC 791, 1349)
VLAN tagging 802.1p/Q: Layer 2 quality of service (QoS)
SNTP(RFC 2030), Data networking :
MAC address (IEEE 802.3)
IPv4 (RFC 791)
ARP
DNS: A record (RFC 1706), SRV record (RFC 2782)
DHCP client (RFC 2131)
ICMP(RFC 792)
TCP (RFC 793)
UDP (RFC 768)
RTP (RFC 1889, 1890)
RTCP RFC 1889Functii:
Do not disturb
Digits dialed with number auto-completion
Anonymous caller blocking
Support for Uniform Resource Identifier (URI) (IP) dialing (vanity numbers)
On-hook default audio configuration (speakerphone and headset),
Multiple ring tones with selectable ring tone per line
Called number with directory name matching
Ability to call number using name: directory matching or via caller ID
Subsequent incoming calls show calling name and number,
Date and time with support for intelligent daylight savings
Call duration and start time stored in call logs
Call timer
Name and identity (text) displayed at startup
Distinctive ringing based on calling and called number,
10 user-downloadable ring tones
Speed dialing, eight entries
Configurable dial/numbering plan support
Intercom
Group paging
Network Address Translation (NAT) traversal, including Serial Tunnel (STUN) support,
Option to require administrator password to reset unit to factory defaults,
Built-in web server for administration and configuration with multiple security levels
Automated remote provisioning, multiple methods; up to 256 bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP]),
DNS SRV and multiple A records for proxy lookup and proxy redundancy
Syslog, debug, report generation, and event logging
Support for highly secure encrypted voice communications,
Call forwarding: unconditional, no answer, and on busy
Hot line and warm line automatic calling
Call logs (60 entries each): made, answered, and missed calls
Redial from call logs
Personal directory with auto-dial (100 entries),
Automatic redial of last calling and last called numbers
On-hook dialing
Call pickup: selective and group
Call park and unpark
Call swap
Call back on busy
Call blocking: anonymous and selective,
Music on hold
Call waiting
Caller ID name and number
Outbound caller ID blocking
Call transfer: attended and blind
Three-way call conferencing with local mixing
Multiparty conferencing via external conference bridge, Three voice lines
Pixel-based display: 128 x 64 monochrome graphical liquid crystal display (LCD)
Line status: active line indication, name and number
Menu-driven user interface
Shared line appearance
Speakerphone
Call holdDimensiuni baza:220 x 198 x 30 mmGreutate baza:0.68kgAltele:
Two Ethernet LAN ports with integrated Ethernet switch: 10/100BASE-T RJ-45
5 VDC universal (100�240V) switching included,
Volume control rocking up/down knob controls handset, headset, speaker, ringer
Standard 12-button dialing pad
High-quality handset and cradle
Built-in high-quality microphone and speaker
Headset jack: 2.5 mm
LED test function,
Four-way rocking directional knob for menu navigation
Voicemail message waiting indicator light
Voicemail message retrieval button
Dedicated hold button
Settings button for access to feature, setup, and configuration menus, Pixel-based display: 128 x 64 monochrome LCD graphical display
Dedicated illuminated buttons for: Audio mute on/off;Headset on/off;Speakerphone on/off
Denumiri similare la Telefon VOIP Cisco SPA303-G2: SPA 303 G 2, SPA303G2, SPA303 G2, SPA 303-G2, SPA303-G 2
Păreri
Intrebari&Raspunsuri

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