DescriptionSize: 142x80x15mmQuantity: 180Measure: 53x0. 3x34cmG. W. : 25. 4kgC. B. M.: 0. 054Digit: 10 + 2Button cell battery154 scientific functions

Telephone features:Fsk / dtmf compatibleDelay calculating chargeSet limitation & direct line & extensionFlash & memo & mute & handsfreeAdjust ringer & speaker volumeDate & timeAnti-emi & thunder proof

Telephone features:Last number redialPause functionAnti-emi, thunder-proof designDesk / wall mountableKeys lighting up at nightColors: White black, metalic blue, dark blue, silver white etc.Units per

Telephone features:Last number redialPause functionAnti-emi, thunder-proof designDesk / wall mountableKeys lighting up at nightColors: White black, metalic blue, dark blue, silver white etc.Units per

Telephone features:Supporting skype and sip, h. 323, mgcpWith keypad and ringer, easy to useDriver and sound card built-in, no driver and sound card requiredEcho cancellation, noise reduction, full du

Telephone features:Network protocolsHTTP, rtp, rtcp, tftp, tcp, udp, dhcp, dns, arp, icmp, ntp, igmpv2,Snmpv2, pppoeHTTP (webserver) : For configuration of VOIP deviceTftp: For in-field software updat

Telephone features:Fsk / dtmf compatibleRecords 20 incoming calls and 5 outgoing callsRecord can be checked deleted and called backIndicate new incoming call and total incoming calls numberReal date a

DescriptionSize: 158x119x54mmQuantity: 50Measure: 57x35x29cmG. W. : 0. 058kgC. B. M.: 10. 7Digit: 12Aa batteryBig display

DescriptionSize: 0x0x0mmQuantity: 200Measure: 58x33x32cmG. W. : 21kgC. B. M.: 0. 130 m resistantSnoozeEl backlightPacking: (a) boxPacking: (b) polybag