Linksys router

linksys router RTP300
Supports Dynamic host configuration protocol
Supports session initialion protocol(SIP)
linksys router rtp300

Features
Four 10/100 BaseT Ethernet Ports to share Internet Connection
Two RJ11 voice ports for analog phones or fax machines with two independent telephone numbers
Support QoS (Quality of Service) to ensure best quality voice
Supports Access Control to block specific PC's on the network from gaining access to Internet
Supports SPI Firewall to limit the risk of intrusion attempts
Web-based configuration through a built-in web server
"Supports High speed Internet Connection for FTTH Deployments
Supports auto-provisioning with provisioning servers for configuration and upgrades
Supports Session Initiation Protocol (SIP)
Supports DTMF tone detection and generation
Supports Voice Activity Detection (VAD) and Silence Suppression
Supports Comfort Noise Generation (CNG)
Supports Caller ID generation and detecting (FSK and DTMF)
Supports Echo Cancellation (G.165 and G.168)
Supports T.38 Fax Really including V.17, V.21, V.27ter and V.29 and FAX Pass-through (PCM)
Supports multiple voice compression G.711, G.726, G.729, G.723.1

Specifications
Model Number RTP300
Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX)
Ports/Buttons One 10/100 RJ-45 Internet Port, Four 10/100 RJ-45 Network
Ports, Two Standard Phone Ports, One Power Port, Reset Button
Cabling Type RJ45 Ethernet Category 5, RJ11 Standard Phone cable
LEDs INTERNET, PHONE2, PHONE1, ETHERNET(1-4), POWER
UPnP able/cert Certified
Network Protocols TCP/IP
Voice Protocols Session Initiation Protocol (SIP v2)
Voice Codecs G.711 a-law, G.711µ-Law, G.726, G.729 A/B/E, and G.723.1
Ringer equivalence number (REN) 5 REN per RJ-11 port
FXS Port Impedance 600 ohm resistive or 270 ohm + 750ohm/150nF complex impedance
Ring Frequency 25 Hz
Ring Voltage 40 - 50 Vrms
Warranty 1 year

Environmental
Dimensions 170 mm x 170 mm x 31 mm (W x D x H) (6.69" x 6.69" x 1.22")
Unit Weight 12.20 oz. (0.346 kg)
Power Input External, 12V DC, 1.0A
Certifications FCC, CE, cUL
Operating Temp. 32ºF to 104ºF (0ºC to 40ºC)
Storage Temp. -4ºF to 140ºF (-20ºC to 60ºC)
Operating Humidity 10% to 85%, Non-Condensing
Storage Humidity 5% to 90%, Non-Condensing