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Buy Voip WIFI Phone SIP |
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Simple basic WIFI Sip based phone required for VOIP use. USB setup of SIP settings. When there is no WIFI access, Phone can connct to USB port of computer 9with internet) and still call out. No LCD required, no windows required, very very cheap and simple phone. 1-0 buttons, # button, * button, green answer button and red hangup button. No additional features. Quantity can go to beyond 1 million units. NECESSARY 802.11g VoWLAN IP Phone Voice codecs: SIP v2 Session Initiation Protocol (RFC3261), SDP (RFC2327) Supported codecs: G.711, G.729 a/b Voice Quality: Acoustic Echo Cancellation Jitter Buffer Control: Comfortable Noise Generation Packet Loss: Concealment Antenna: 1 dBi gain 802.11b/g : DSSS Frequency Range 2.4GHz~2.4835GHz (subject to local regulations) Standards IEEE 802.11b/g for Wireless LAN Network Protocol TCP/IP Security 64/128-bit WEP, WPA-PSK Authentication mode Open System, Auto Switch, Share Key, and WPA-PSK. RF and Battery indication via LED is ok. DTMF Transmission 12 dBm for 802.11b 802.11g @ Norma Temp Range NOT NECESSARY: Call Feature:3-way calling,Call hold,Call mute Call forwarding Call redials Call transfer Speed Dial (10 numbers stored) Call history Multiple ring tones Spreading Phone Features 50 phonebook records 10 received, dialed, and missed calls Volume control for speakerphone and ringer |
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