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Jr Information Techologies Co., Ltd.

Supplier From China
Jul-28-08
Supplier : VOIP (IP) terminal products: Voip Gateway, IP Phone

Established: 2004 Standards: CE & FCC

Verification Status



Contact Details:
East, Floor 1, Periods 1, Xintianxia Ind
Shenzhen 518112
Guangdong China


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Used Phones, Tablets And Laptops, A~B

$100 - $1.00K / Box (FOB)
MOQ: Not Specified
Supplier From Gangnam-gu, Seoul, South Korea (Republic Of Korea)
 
Product Detailed Description:
We supply refurbished MacBook Air and MacBook Pro models, 2017 and newer, with various configurations (RAM, SSD, screen sizes).
Each device is professionally inspected, tested, and cleaned by our in-house technicians.

Models available: MacBook Air / Pro (2017~2020, Intel), selected M1 models

Condition: A~B Grade (fully functional, minor cosmetic wear possible)

Battery: 80%+ health or replaced

Keyboard & display: Fully tested (no dead pixels, no ghost touch)

OS: Fresh installation of macOS

Packaging: Secure export-ready pallet packing (25 units per box)

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Warranty: Optional 30-day functionality guarantee available

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Cisco cp-7937g voip conference station ip phone 7937

We can supply you a low price and good quality . We could supply all kinds of fiber optical transceiver .

Interested ? contact me ! sales1(at)allitcl(dot)com
Skype : sunny.Liu885

Specialized_in : cisco , hp, sun, 3com, apple, huawei, h3c , ibm , alcatel-lucent , linksys , nortel , juniper , extreme , foundry, avaya , enterasys d-link , brocade etc

Export packing
Mar-27-08
 
Voip gateway

1, Not need to register SIP PROXY, supports Point-to-Point communication (call the other partyí»s IP address directly);
2, Not need to connect any network cable, supports mutual communication between two FXS ports;
3, Three SIP PROXY and accounts registered at the same time for each FXS port (so total is 6 user names), one SIP PROXY offline, other one can replace it to work timely;
4, Built-in Router;
5. With reverse-polarity signal, billing function supported;
6. Support Voice-announcing IP address and operating by hand or by web page;
7, Support SIP 2.0 (RFC3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP (both client and server), NTP, PPPoE, STUN, TFTP;
8, Powerful digital signal processing (DSP) to ensure superb audio quality;
9, Advanced adaptive jitter control and packet loss concealment technology;
10, Support various vocoders including G.711 (a-law and u-law), G.723.1 (5.3K/6.3K), G.726, G.729A/B and iLBC;
11, Support Caller ID/Name display or block, Hold, Call Waiting, Flash, Call Transfer (blind/consultative );
12, Call forward, in-band DTMF, Dial Plans;
13, Support call waiting caller ID;
14, Support fax pass through and T.38 (pending);
15, Support silence suppression, VAD (Voice Activity Detection), CNG (Comfort Nois Generation);
16, Line echo cancellation (G.168), and AGC (Automatic Gain Control);
17, Support standard encryption and autherntication (DIGEST using Md5 andMD5-sess);
18, Support for Layer 2 (802.1q VLAN, 82.1P) and Layer 3 Qos (Tos, Diffserv, MPLS);
19, Support automated NAT traversal without manual manipulaton of firewall/NAT; 20, Support device configuration via built-in IVR, web browser or downloading encrypted configuration file through TFTP or HTTP;
21, Support firmware upgrade via TFTP or HTTP;
22, Ultra compact (wallet size) and lightweight design, great companion for travelers;
23, Desk/Wall mounts. Interface: WAN: 1 unit, connect to XDSL/Cable Modem or Network Switch or Router LAN: 1 unit, connect to PC or other network equipment FXS: 2 units, connect to Normal phone, DECT/Cordless phone, Electrograph, Switch etc Power: 1unit, connect to Power adapter: 12V DC---1A Products
May-28-07

Voip Gateway

$31
MOQ: Not Specified
 
Voip gateway

Product characteristics:
1. Standard sip 2. 0 terminal product, powerful applicability, and best for global popularizing; support sip 2. 0, tcp / udp / ip, rtp / rtcp, icmp, arp / rarp, ntp, pppoe, tftp, http, etc; support g. 711 (alaw and u-law) , g. 723. 1 (5. 3k / 6. 3k) , g. 723 (40k / 32k / 24k / 16k) , g. 728, g. 729a / b, ilbc;
2. The powerful dsp digital audio processor to keep a wonderful audio-quality; inside dns, router, nat, dmz, the gateway and dhcp (the client end and the server end) ; jitter control adn packet loss concealment technology;
3. Support incoming call on show, restricting, and holding, disconnection, call transfer, call divert, dialing project, etc. Support conference call;
4. Supports vad, cng, agc, the echo eliminates (g. 168) and the static sound suppression;
5. Support layer 2 (802. 1q vlan, 802. 1p) and layer 3 (qos, , tos diffserv, mpls)
6. Powerful long-distance tftp or http manages; to dispose through the browser or the voice hint;
7. Nat automatic penetration;
8. Support passing through and t. 38 fax;
9. Good for the environment, according to the international electromagnetism radicalizations standard;
10. Select high quality material, original electrocircuit design, and no electric current noise, work steadily;
11. Porcelain and legerity design, let you feel the full-bodied appetency of the product besides expediency schlepping.
Ata (sip2. 0) yes
Router / bridge / dhcp yes
Ethernet port 1wan / 1lan (rj45)
Fxs 1fxs
Fxo pstn pass-through
Exit yes
Weight 0. 38kg
Active status temperature 0~40
Power source adapter ac in: 100v-240v dc out: + 9v / 600ma
Use power: <2. 5w
Authentication fcc / ce

Verification Status