VoIP
VoIP Protocols : SIP v2, SDP, RTP, RFC 2833
Network Protocol : IPv4,TCP, UDP DHCP, SNTP, STUN,
HTTP, PPPoE
SIP : 3 SIP Accounts, Out Bound Proxy
Support, Main and Secondary DNS
Server Support
NAT : STUN and NAT Keep Alive
Voice Codecs : G.711 A-Law, m-Law, G.723-5.3,
G.723-6.3, G.726-16, G.726-24,
G.726-32, G.726-40, G.729AB ,
G.722 Wideband
Call Progress Tones : Dial Tone, Ring Back Tone, Busy
Tone, Error Tone, Waiting Tone
Voice : Dynamic Jitter Buffer (Adaptive),
Comfort Noise Generation and
Voice Activity Detection
Quality of Service : Layer 3 DiffServ and TOS
Data Network : LAN Port (RJ45), 10/100 Base T
with and without PoE, PC Port
(RJ45), 10/100 Base T
Security : Password Protected Configuration
Power Supply
Input : 5VDC @2A through External Adaptor
(90-265VAC, 47-63Hz) and
Power-on-Ethernet (PoE)
Power Consumption : 5W (Typical)
Connector : DC Power Jack
Mechanical
Dimensions (WxHxD) : VP248S/ VP248SE: 24.0x20.0x9.9 cm
(9.4”x7.9”x3.9”)
VP248P/ VP248PE: 24.0x23.0x9.9 cm
(9.4”x9.1”x3.9”)
Unit Weight : VP248: 1.18 Kgs (2.6 lbs) Approx.
Shipping Weight : VP248: 1 Kgs (4.6lbs) Approx.
Material : VP248: ABS Plastic HB Grade
Installation Mounting : VP248: Wall Mount and
Table-Top (20 Degree and 45 Degree)
Color Options : All variants are available in standard
Black and White Color Options
Environmental
Operating Temperature : -10˚C to + 50˚C (14˚F to + 122˚F)
Storage Temperature : -40˚C to + 85˚C (-40˚F to + 185˚F)
Operating Humidity : 5-95% RH (Non-Condensing)
Storage Humidity : 0-95% RH (Non-Condensing) at 40˚C
TECHNICAL SPECIFICATIONS
FEATURES
Software Features Redundancy
Ÿ Multiple Gateway
100 Rel / PRACK (RFC 3262)
Ÿ Multi-Lingual Menu driven
3-Party Conference
Feature Access
4-Call Appearance (VP248PE)
Ÿ Notifications
Anonymous Call Rejection
Ÿ Password Protection
Auto Answer
Ÿ PCAP Trace
Auto Call Back
Ÿ Peer-to-Peer Calling
Auto Configuration
Ÿ Phone Book
Black Listed Callers' List
Ÿ PPPoE
Busy Lamp Field (BLF)
Ÿ Quality of Service (QoS)
Call Appearances
Ÿ Receiving a Call (Handset,
Call Log
Headset Speaker)
Call Mute
Ÿ Rejecting a Call
Call Progress Tones and Rings
Ÿ Remote Programming
Call Toggle
Ÿ Search Contact
Calling Options
Ÿ Selective SIP line Access
CLIP
Ÿ SIP Accounts
CLIR
Ÿ SIP Over TCP
Comfort Noise Generation
Ÿ Speed Dial
Compact and Sturdy
Ÿ STUN Support
Day Light Saving
Ÿ Syslog Client
DHCP Client
Ÿ Symmetric RTP
Dial Plan
Ÿ Supplementary Services
DND List
- Call Forward On Busy
Ÿ Do-Not -Disturb (DND)
- Call Forward On No Reply
Ÿ Echo Cancellation
- Call Hold
Ÿ Forward Error Correction (FEC)
- Call Waiting
Ÿ G.722 Wideband Audio Codec
- Call Transfer-Blind
Ÿ Hotline
- Call Transfer-Attended
Ÿ Key Assignment
- Conference 3-Party
Ÿ Keypad Lock
- Making Second Call
Ÿ LDAP Client
VLAN Tagging
Ÿ Least Cost Routing
Voice Activity Detection
Ÿ LED Indications
Voice Mail
Ÿ MAC Cloning
Volume Setting
Ÿ Secondary DNS Server
Web Jeeves
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Hardware Features
1 LAN Port for Switch, Router or xDSL Modem Connectivity
1 PC (LAN) Port for PC Connectivity
1 Speaker Key ( with LED Indication) and Easy Adjust Volume Keys
Programmable Keys
5 Navigation Keys
Full Duplex Speaker Phone
Head set interface
Ringer LED
Swivel Backlit LCD display
Touch Sense Keys
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(155 paginas)
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