Cisco SPA501G

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Descrierea produsului
Caracteristici tehnice
Telefon IP Cisco SPA501G cu PoE si PC Port  Tip:Telefon IPAgenda telefonica:100 de numereCaller ID:DaRedial:DaRestrictionare apel:DaData/ora:DaCaracteristici speciale:
VMWI - Voicemail waiting indicator, via NOTIFY, SUBSCRIBE
Third-party call control (RFC 3725),
Call progress tone generation
Jitter buffer: adaptive
Frame loss concealment
Comfort Noise Generation (CNG)
Voice activity detection (VAD) with silence suppression
Attenuation/gain adjustments,
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,
SIP support in NAT networks (including STUN)
SIPFrag (RFC 3420)
Secure (encrypted) calling via SRTP
Codec name assignment
Voice algorithms:G. 711;G. 726;G. 729 A;G. 722,
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
Reregistration with primary SIP proxy server,
RTP(RFC 1889, 1890)
RTCP(RFC 1889)
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)
Address Resolution Protocol (ARP)
DNS: A record (RFC 1706), SRV record (RFC 2782)
DHCP client (RFC 2131)
ICMP(RFC 792)
TCP (RFC 793)
UDP(RFC 768)Functii:
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
Highly secure call encrypted voice communications support,
Configurable dial/numbering plan support
Intercom
Group paging
Network Address Translation (NAT) Traversal, including Simple Traversal of UDP Through NATs (STUN) support,
Date and time with support for intelligent daylight savings
Call start time stored in call logs
Distinctive ringing based on calling and called number
10 user-downloadable ring tones
Speed dialing, eight entries,
Anonymous caller blocking
Uniform Resource Identifier (URI) (IP) dialing support (vanity numbers)
On-hook default audio configuration (speakerphone and headset)
Multiple ring tones with selectable ring tone per line,
Hot line and warm line automatic calling
Call logs (60 entries each): made, answered, and missed calls
Personal directory with auto-dial (100 entries)
Do not disturb
Digits dialed with number auto-completion,
On-hook dialing
Call pickup: selective and group
Call park and unpark
Call swap
Call back on busy
Call blocking: anonymous and selective
Call forwarding: unconditional, no answer, on busy,
Call waiting
Outbound caller ID blocking
Call transfer: attended and blind
Three-way call conferencing with local mixing
Multiparty conferencing via external conference bridge
Automatic redial of last calling and last called, Eight voice lines
Four Independent SIP Registrations
Line status: active line indication
User interface driven by Interactive Voice Response (IVR)
Shared line appearance
Speakerphone
Call hold
Music on holdDimensiuni baza:214 x 212 x 44 mmGreutate baza:0.9 kgAltele:
Built-in high-quality microphone and speaker
Headset jack: 2.5 mm
Two Ethernet ports with integrated Ethernet switch: 10/100BASE-T RJ-45
802.3af-compliant PoE
Optional 5 VDC universal (100-240V) switching,
Settings button for access to IVR menu
Volume control rocking up/down knob controls handset, headset, speaker, ringer
Dedicated keys for redial, cancel, conference, and transfer
Standard 12-button dialing pad
High-quality handset, Paper label area
Dedicated illuminated buttons for:Audio mute on/off;Headset on/off;Speakerphone on/off
Voicemail message waiting indicator (VMWI) light
Voicemail message retrieval button
Dedicated hold button
Denumiri similare la Telefon VOIP Cisco SPA501G: SPA 501 G, SPA 501G, SPA501 G
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Intrebari&Raspunsuri

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