Siemens DP450 Free software, Handset operating times/charging times, General specifications

Handset operating times/charging times

The following information relates to batteries with a capacity of 650 mAh.

Standby time	approx. 170 hours (7 days)
Talktime	approx. 13 hours
Charging time	approx. 6 hours

The operating and charging times apply only when using the recommended batteries.

Please note:

When the display backlight is switched on, the standby time of the handset is reduced to approx. 30 hours.

Base station power consumption

Depending on current status, around 2.5 W.

General specifications

Interfaces	Fixed network, Ethernet
No. of channels	60 duplex channels
Radio frequency-	1880–1900 MHz
range
Duplex method	Time multiplex,
	10 ms frame length
Channel grid	1728 kHz
Bit rate	1152 kbit/s
Modulation	GFSK
Language code	32 kbit/s
Transmission	10 mW, average power
power	per channel
Range	up to 300 m outdoors,
	up to 50 m indoors
Base station power	230 V ~/50 Hz
supply
Environmental	+5 °C to +45 °C;
conditions in	20% to 75% humidity
operation
Dialling mode	DTMF (touch tone
	dialling)/DP (dial pulsing)

	Appendix
Flashing time	250 ms
Codecs	G711, G726, G729AB
	with VAD/CNG
Quality of Service	TOS, DiffServ
Protocols	DECT, GAP, SIP, RTP, DHCP,
	NAT Traversal (STUN),
	HTTP

DP450 – Free software

Your DP450’s firmware contains, amongst other things, free software that is licensed under the GNU Lesser General Public License. This free software was developed by a third party and is protected by copyright. You will find the licence text in its original English version on the pages that follow.

The software is provided free of charge. You are authorised to use this free software in accordance with the above- mentioned licence conditions. In the event of contradictions between these licence conditions and the licence conditions that apply for the software according to Siemens Home and Office Communication Devices GmbH & Co. KG, the above-mentioned licence conditions shall take precedence for the free software.

The GNU Lesser General Public License (LGPL) is supplied with this product. You can also download the licence conditions from the Internet:

uThe LGPL is available on the Internet at: http://www.gnu.org/copyleft/lesser.html

uThe source text, including copyright notices for free software, is currently available on the Internet at: http://www.siemens.com/developer/ c455ip

For further information and Internet links to the source text of the free software, see the Online Support pages on the Internet at: www.siemens.com/gigasetcustomercare

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