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  • IP телефон Cisco SPA502G

Specifications

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)

• Internet Control Message Protocol (ICMP) (RFC 792)

• TCP (RFC 793)

• User Datagram Protocol (UDP) (RFC 768)

• Real-Time Transport 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 802.1p/Q: Layer 2 quality of service (QoS)

• Simple Network Time Protocol (SNTP) (RFC 2030)

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

• SIP support in NAT networks (including STUN)

• SIPFrag (RFC 3420)

• Secure (encrypted) calling via SRTP

• Codec name assignment

• Voice algorithms:

• G.711 (A-law and μ-law)

• G.726 (16/24/32/40 kbps)

• G.729 A

• G.722

• 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

• Call progress tone generation

• Jitter buffer: adaptive

• Frame loss concealment

• Comfort Noise Generation (CNG)

• Voice activity detection (VAD) with silence suppression

• Attenuation/gain adjustments

• VMWI - Voicemail Waiting Indicator, via NOTIFY, SUBSCRIBE

• Caller ID support (name and number)

• Third-party call control (RFC 3725)

Provisioning, administration, and maintenance

• Integrated web server provides web-based administration and configuration

• Telephone keypad configuration via display menu/navigation

• 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

• Syslog and debug server records: configurable per line

Power supply

• Power supply is optional and is purchased separately

• Models: Cisco PA100-NA, PA100-EU, PA100-UK, PA100-AU

• Switching type (100-240V) automatic

• DC output voltage: +5 VDC at 2.0A maximum

• Power adapter: 100-240V 50-60 Hz (26-34 VA) AC input

Physical interfaces

• Two 10/100BASE-T RJ-45 Ethernet ports (IEEE 802.3)

• Handset: RJ-9 connector

• Built-in speakerphone and microphone

• Headset 2.5mm jack

Indicator lights/LEDs

• Speakerphone on/off button with LED

• Headset on/off button with LED

• Mute button with LED

• Message waiting LED

Body dimensions (W x H x D)

8.42 x 8.35. x 1.73 in. (214 x 212 x 44 mm)

Unit weight

2.00 lb ( 0.9 kg)

Operating temperature

32º ~ 104ºF (0º ~ 40ºC)

Storage temperature

-4º ~ 158ºF (-20º ~ 70ºC)

Operating humidity

5% to 95% noncondensing

Storage humidity

5% to 95% noncondensing

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IP телефон Cisco SPA502G

  • Производитель: Cisco
  • Модель: SPA502G
  • Наличие: Есть в наличии
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