Posted: Wed Mar 23, 2011 7:48 am Post subject: Cheap VOIP phones and ATA
Hi there,
This is Lucy Lu from Zhengzhou Great Electronic Tech Co.,Ltd. www.great-elec.com
We are the manufacturer of Voip products(IP phone,ATA).
we have much experience in ip phones for nine years.
the followings are the highlights for our new ip phones:
network protocol:
• SIP v1 (RFC2543), v2(RFC3261)
• IP/TCP/UDP/RTP/RTCP
• IP/ICMP/ARP/RARP/SNTP
• TFTP Client/DHCP Client/ PPPoE Client
• Telnet/HTTP Server
• DNS Client
Codec:
• G.711: 64k bit/s (PCM)
• G.723.1: 6.3k / 5.3k bit/s
• G.726: 16k / 24k / 32k / 40k bit/s (ADPCM)
• G.729A: 8k bit/s (CS-ACELP)
• G.729B: adds VAD & CNG to G.729
SIP server:
• Registrar Server (three SIP account)
• Outbound Proxy
We are a real IP Phone manufacturer with professional R&D team and ready to do OEM or ODM or any special customize development if needed. Because we own all our products source code and hardware design.
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