Cisco SPA922 데이터 시트
Data Sheet
© 2009 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
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Specifications
Table 1 gives specifications for the Cisco SPA922 1-Line IP Phone with 2-Port Switch.
Table 1.
Specifications for the Cisco SPA922 1-Line IP Phone with 2-Port Switch
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 SPA922 at the time of provisioning.
details. The target configuration profile is uploaded to the SPA922 at the time of provisioning.
Data networking
●
MAC address (IEEE 802.3)
●
IPv4 - Internet Protocol v4 (RFC 791)
●
ARP - Address Resolution Protocol
●
DNS - A record (RFC 1706), SRV record (RFC 2782)
●
DHCP Client - Dynamic Host Configuration Protocol (RFC 2131)
●
ICMP - Internet Control Message Protocol (RFC 792)
●
TCP - Transmission Control Protocol (RFC793)
●
UDP - User Datagram Protocol (RFC 768)
●
RTP - Real Time Protocol (RFC 1889) (RFC 1890)
●
RTCP - Real Time Control Protocol (RFC 1889)
●
DiffServ - Differentiated Services (RFC 2475)
●
ToS - Type of Service (RFC 791, 1349)
●
VLAN tagging 802.1p/Q - Layer 2 quality of service (QoS)
●
SNTP - Simple Network Time Protocol (RFC 2030)
Voice gateway
●
SIP v2 - Session Initiation Protocol version 2 (RFC 3261, 3262, 3263, 3264)
●
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.723.1 (6.3 kbps, 5.3 kbps)
●
Dynamic payload support
●
Adjustable audio frames per packet
●
DTMF - Dual-tone multifrequency, 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
●
VAD - Voice activity detection with silence suppression
●
Attenuation/gain adjustments
●
MWI - Message waiting indicator tones
●
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