Tổng đài điện thoạiKinh doanh - Ms. Hiền
Kinh doanh - Ms. Lê
Kinh doanh - Ms. Oanh
Kinh doanh - Ms. Thảo
Bộ chuyển VoIP-PSTN Grandstream HT503
Hình ảnh:
Chi tiết:
Bộ chuyển VoIP-PSTN Grandstream HT503
– 1 port FXS và 1 FXO.
– Hỗ trợ 2 SIP Acount trên nhà cung cấp dịch vụ.
– 2 cổng 10/100 Mbps Ethernet RJ45 (1 LAN, 1 WAN)
– Đèn báo trạng thái nguồn, Phone, Line PSTN, Mạng, Massage.
– Hoàn toàn tương thích với các chuẩn thoại hiện hành
– Kết nối với Phone hoặc Fax
– Web cấu h́nh và quản lư dễ dàng.
– Tính năng Caller ID, Call Waiting, Hội nghị 3 bên.
Đặc tính kỹ thuật
|
Ethernet Ports |
2 RJ45 (LAN/WAN) |
|
NAT/Router |
Yes |
|
DHCP |
Client/Server |
|
FXS Port |
1 |
|
FXO Port |
1 |
|
PSTN Pass-through Port |
Yes |
|
Voice Mail Indicator |
Yes |
|
Voice Codec |
G.711(a/u-law), G.723.1, G.729A/B/E, G.726-40/32/24/16 and iLBC, T.38 fax |
|
Remote Configuration |
HTTP/HTTPS/Telnet/TFTP Provisioning |
|
Telephone Interfaces |
1 FXS telephone port (RJ11), 1 FXO PSTN line port (RJ11) with lifeline support |
|
Network Interfaces |
Two (2) 10M/100 Mbps ports (RJ-45) with integrated NAT router |
|
LED Indicators |
Power, WAN, LAN, PHONE and LINE |
|
Reset Button |
Factory reset button |
|
Telephony Features |
caller ID display or block, call waiting wither caller ID, flash, blind or attended call transfer, hold, call forward, do not disturb, 3-way conferencing |
|
Voice Codec |
G.711 Annex I (PLC) and Annex II (VAD/CNG format), G.723.1A, G.729A/B/E, G.726-40/32/24/16, iLBC |
|
Voice over Packet Capabilities |
Voice Activity Detection (VAD) with Comfort Noise Generation (CNG) and Packet Loss Concealment (PLC), Dynamic Jitter Buffer, G.168 compliant Line Echo Cancellation |
|
Fax over IP |
T.38 compliant Group 3 Fax Relay up to 14.4kpbs, Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay |
|
DHCP Server/Client NAT router |
Yes, can operate in NAT Router or Switched Mode |
|
Network Protocols |
TCP/UDP/IP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN |
|
QoS |
Support Layer 2 (802.1Q VLAN, 802.1p), Layer 3 QoS (ToS, DiffServ) QoS |
|
IP Signaling |
SIP (RFC 3261), SIP over TCP/TLS, SRTP, up to 2 SIP account profiles, symmetric and asymmetric RTP/codec in any call sessions |
|
DTMF Method |
RFC2833, and/or SIP INFO |
|
Provisioning & Management |
TFTP, HTTP, HTTPS, Telnet, secure and automated provisioning system for large deployment, syslog |
|
Universal Power Supply |
Output: 12VDC, 0.5A; Input: 100–240 VAC, 50-60 Hz |
|
Environmental |
Operational: 32°–104°F or 0°–40°C ,Storage: 10°–130°F,Humidity: 10–90% Non-condensing |
|
Dimensions (H x W x D) |
25mm x 115mm x 75mm (when laying flat); 115mm x 25mm x 75mm (standing up) |
|
Short and long haul |
REN3: Up to150 ft on 24 AWG line |
|
Caller ID |
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
|
Polarity Reversal/Wink |
Yes |
|
EMC |
FCC/CE, EN55022/EN55024 and FCC part15 Class B |
|
Safety |
UL |
– Sản phẩm chính hăng Grandstream của Mỹ.
– Sản xuất tại Trung Quốc.
– Bảo hành: 12 tháng.
Giá: 1.449.000 VND