Cisco Small Business Pro SPA 508G Lembar data - Halaman 5

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Cisco Small Business Pro SPA 508G Lembar data

Specifications

Table 1 gives specifications for the Cisco SPA508G 8-Line IP Phone.
Table 1.
Note: Many features are programmable within a defined range or list of options. Please see the SPA Administration Guide for details. The target
configuration profile is uploaded to the SPA508G at the time of provisioning.
Specifications
Data networking
Voice gateway
Provisioning, administration,
and maintenance
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Specifications for the Cisco SPA508G 8-Line IP Phone
● 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)
● Cisco Discovery Protocol (CDP)
● Link Layer Discovery Protocol (LLDP)
● 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
● VMWIVoicemail waiting indicator, via NOTIFY, SUBSCRIBE
● Caller ID support (name and number)
● Third-party call control (RFC 3725)
● 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
Data Sheet
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