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98
2000/XP| Application |
| ISP/ITSP (Internet Telephony
Service Provider) Multi-nation enterprise communication SOHO Telephony IP-PBX with office telephony services Phone to PC, Phone to Phone |
| Benefits |
| Easy access to Internet phone call Cost Saving - Telephone call from VPN or public Internet Follows the existing telephone call dial plan Easy interface to ADSL/Cable Modem or Leased line equipment Built-In two 10/100BaseT Switch/Hub £¨option£© Input Voltage 7.5--9Vdc (External AC input, DC output adaptor) |
|
Features |
| Support ITU-T H.323 V2/V3/V4 protocol ,MGCP RFC2705,SIP RFC3261 PPPoE Behind NAT router or IP sharing device Support two LAN phones behind the same NAT If the NAT supports multi public IP, the LAN phones that behind the NAT can be found by its IP address. Support both Fixed IP and DHCP Support H.235 security function Support Fast Start and H.245 Tunneling Provide H.450 services (Hold, Transfer, Forward) Automatically Gatekeeper Discovery Alternate Gatekeeper selection Provide Peer-to-Peer Mode (Non Gatekeeper needed) selection Speaker phone and Handset operation Ring tone, Speaker and Handset volume adjustable MS-NetMeeting v3.0 compatible Support QOS by setting TOS (Type Of Service) parameters of VoIP packet |
| Audio Performance |
| G.711 A/u-Law,
G.723.1, G.729A, G.729 VAD, CNG G.168/G.165 compliant echo cancellation Programmable Dynamic Jitter Buffer Bad Frame Interpolation Completed voice band signaling support Provide both Inband and H.245 Outband DTMF generation/detection Gain/Attenuation Settings Provide Progress Tone: Dial tone, busy tone, call-holding tone and ring-back tone |
| Environmental |
| Humidity: 10 to
95 %, Non-condensing Operational Temperature : 0 to +50 oC .Storage Temperature : -10 to +70 oC |