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| SPA-112 |
Cisco SPA 112 2-Ports Phone Adapter
Features :
·
Enables high-quality VoIP service with a
comprehensive feature set through a broadband Internet connection.
·
Provides high-quality, clear-sounding voice,
using advanced voice quality-of-service (QoS) capabilities and the
industry-leading voice Session Initiation Protocol (SIP) stack.
·
Supports reliable faxing with simultaneous voice
and data use.
·
Includes two standard telephone ports, each with
an independent phone number, for use with fax machines or analog phone devices.
·
Is compatible with all industry voice and data
standards and common telephone features such as caller ID, call waiting, and
voicemail.
·
Includes a simple-to-use web-based configuration
utility for easy deployment.
Specification :
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Data Networking
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:
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MAC address (IEEE 802.3)
IPv4 (RFC 791) upgradeable to
IPv6 (RFC 1883)
Address Resolution Protocol
(ARP)
Domain Name System (DNS) A
record (RFC 1706) and SRV record (RFC 2782)
Dynamic Host Configuration
Protocol (DHCP) client (RFC 2131)
Point-to-Point Protocol over
Ethernet (PPoE) client (RFC 2516)
Internet Control Message
Protocol (ICMP) (RFC 792)
TCP (RFC 793)
User Datagram Protocol (UDP)
(RFC 768)
Real time Protocol (RTP) (RFC
1889) (RFC 1890)
Real Time Control Protocol
(RTCP) (RFC 1889)
VLAN tagging (IEEE 802.1p)
Simple Network Time Protocol
(SNTP) (RFC 2030)
SIP channels support for both
UDP and TCP transport
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Voice Gateway
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:
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SIPv2 (RFC 3261,
3262, 3263, and 3264)
SIP proxy redundancy: Dynamic through use of DNS SRV A
records
Reregistration with primary SIP proxy server
SIP support in network address translation (NAT) networks
(including Serial Tunnel [STUN])
Highly secure (encrypted) calling using Secure RTP (SRTP)
Adjustable audio frames per packet
Dual-tone multifrequency (DTMF): In-band and out-of-band
(RFC 2833) (SIP information)
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Voice Features
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:
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Independent
configurable dial plans with interdigit timers and IP dialing (1 per port)
Call progress tone generation
Echo cancellation (G.165 and G.168)
Voice activity detection (VAD)
Comfort noise generation (CNG)
Attenuation and gain adjustments
Message waiting indicator (MWI) tones
Visual messaging waiting indicator (VMWI) using frequency
shift keying (FSK)
Hook flash event signaling
Caller ID generation (name and number): Bellcore, DTMF,
and European Telecommunications Standards Institute (ETSI)
Streaming audio server: Up to 10 sessions
Call waiting, call waiting and caller ID
Caller ID with name and number
Selective and anonymous call rejection
Call forwarding: No answer, busy, and all
Call transfer, call return, and call back on busy
Three-way conference calling with local mixing
Per-call authentication and associated routing
Call blocking with toll restriction
Distinctive ringing: Calling and called number
Advanced inbound and outbound call routing
Hotline and warmline calling
Long silence (configurable time setting) silence threshold
Disconnect tone (for example, reorder tone)
Configurable ring frequency
Ring validation time setting
Tip and ring voltage adjustment setting
Ring indication delay setting
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Fax Capability
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:
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Fax tone
detection pass-through
Fax pass-through using G.711
Real-time fax over IP using T.38 fax relay (T.38 support
is dependent on fax machine and network and transport resilience)
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Security
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:
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Password-protected
system reset to factory default
Password-protected administrator and user access authority
Provisioning, configuration, and authentication
HTTPS with factory-installed client certificate
HTTP digest: Encrypted authentication using MD5 (RFC 1321)
Up to 256-bit Advanced Encryption Standard (AES)
encryption
SIP Transport Layer Security (TLS)
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Provisioning, Administration & Maintenance
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:
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Web browser
administration and configuration using integral web server
Telephone keypad configuration with interactive voice
prompts
Automated provisioning and upgrade using HTTPS, HTTP, and
Trivial File Transfer Protocol (TFTP)
Asynchronous notification of upgrade availability using
Notify
Nonintrusive, in-service upgrades
Report generation and event logging
Statistics in Bye message
Debug server records and syslog: Per-line configurable web
browser
Ping and traceroute
diagnostics
Configuration management: Backup and restore
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Physical Interface
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:
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1 WAN 100BASE-T
RJ-45 Ethernet Port (IEEE 802.3)
2 RJ-11 FXS phone ports for analog circuit telephone
device (tip and ring)
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Subscriber Line Interface Circuit (SLIC)
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:
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Ring voltage:
40-90 Vpk configurable
Ring waveform: trapezoidal
Maximum ringer load: 5 ringer equivalence numbers (RENs)
On-hook voltage (tip and ring): -46 to -56V
Off-hook current: 18-25 mA
Terminating impedance: 600 ohm resistive or 270 ohm + 750
ohm
Frequency response: 300-3400 Hz
Return loss (600 ohm, 300-3400 Hz): up to 20 dB
Insertion loss (1 Vrms at 1 kHz): 3-4 dB
Total harmonic distortion (THD) (350 mV peak at 300 Hz):
up to 3%
Idle channel noise: 72 dB (typical)
Longitudinal balance: 55 dB (typical)
Off-hook threshold (line seizure): Rdc < 1000 ohm
On-hook threshold (line release): Rdc >10000 ohm
Rdc DC supervisory range: Rdc > 450 ohm
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Power Supply
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:
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DC input
voltage: 5V DC at 2.0A maximum
Switching type (100-240V) automatic
Power adapter: 100-240V and 50-60 Hz (26-34 VA) AC input,
with 1.8m cord
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Dimension
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:
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3.98
x 3.98 x 1.10 in. (101 x 101 x 28 mm)
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Weight
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:
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153
gram
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