TalkSwitch 248vs Phone System

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Product Description
Analog trunks 2
VoIP trunks 8
Analog extension interfaces 4
Extension capacity 16: 4 analog or IP, 12 pure IP
USB interface 1
LAN interface RJ-45 Ethernet (10BaseT)
Memory 2 hours
Memory expansion 1, 2, 4.5 and 9 hour memory cards
Music input Phono jack (1/8" mono) or stored .wav file
PA output Phono jack (1/8" mono) or stored .wav file
Power source 120 VAC, 60 Hz — In / 16 VAC, 2.0 A — Out
Power-failure line to extension jacks Extension 4 connects to Line 1

Analog extension interface
Connector type RJ-11, 2-pin
Trunk type Loop start
Interface impedance 600 ohms
Loop range 0–600 ohms
Hook flash supported Yes
On-hook voltage 35 volts
Off-hook loop voltage source 35 volts
Off-hook loop current 23 mA to 40 mA
Dial tone level -2.4 dBm
Ringing voltage 90 volts RMS
Ringing frequency 20 Hz – true sine wave
Total ringing load 5 REN

Analog trunks
Connector type RJ-11, 2-pin
Trunk type Loop start
Interface impedance Configurable, 600 ohms, 600 complex, 900 ohms, 900 complex
Ringing impedance 3,900 ohms
Ringing sensitivity 45 volts RMS @ 20 Hz
REN 0.7B
Longitudinal balance 69 dB
Signal level -10 dB
Distinctive ring supported Yes
Caller ID support FSK, all lines

VoIP features
• Embedded SIP server and user agents
• Integrated registrar
• Can use external SIP servers as required
• RTP
• G.711 µ-law/A-law, G.726 (32 Kbps), G.729a
• G.168 echo cancellation
• VAD, silence suppression
• Adaptive jitter buffer
• Packet loss concealment
• Fax tone detection

FEATURES
* VoIP and traditional telephone lines
* Auto Attendants
* Voicemail
* Remote Extensions
* External IP Extensions
* Easy set-up
* Expandable
* Analog and IP phones
* Dial-By-Name Directory
* Voicemail to E-mail
* Music on Hold
* Call Cascade
* Ring Groups
* Uniform Call Distribution
* Call Queue
* Automatic Route Selection
* Toll Restriction
* Call Detail Record Logging
* Line Appearance (with TS-9133i and TS-480i phones)
* Multiple Language Prompts
* Call Forward
* Auto Fax Detection
* Call Conference
* Call Back/Call Bridge
* Mode Scheduling
* Call Hold/Transfer/Park
* Call Screening
* Intercom
* Call Pickup
* Distinctive Ring
* Public Announcement
* Remote Management
* LAN capability
* Free Software Upgrades