Ecvv Trade
Flying voice technology limited

China Manufacturer with main products: Gateway, VoIP, ATA, Monitor, IAD, FXS, PSTN


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


The G502 and G102 are the latest 2 FXS Analogue Telephone Adapter solution, enables customers to register to different SIP Proxy server, IP PBX and establish up to 2 concurrent VoIP calls for more flexibility in the voice communication.
The difference between G502 and G102 is : G502 has 2 10/100M RJ45 port (1 WAN, 1LAN);
G102 has only 1 10M/100M RJ45 port (1 WAN)
Their compact size, excellent voice quality, packed feature functionality and best-in-class price-performance point enable consumers to maximize the power of IP voice and data connectivity.
The G502 and G102 are based on SIP V2 standard and compatibility with most service providers. It features 2 FXS telephone ports, TR069 CPE management & monitoring protocols and a base stand for vertical positioning.
 . 2 FXS ports and up to 2 concurrent VoIP calls
 . Real time FAX over IP via T.38 and T.30 FAX with G.711
 . TR069 CPE management & monitoring protocols
 . Field proven compatibility and stability
 . Very Highly affordable and effective 2 FXS ports VoIP CPE 

/O Interface
2 FXS Port s (2 RJ11)
1 10/100Mbps Ethernet ports (1 RJ45, 1 WAN)

Voice Codec
G.711 (A-Law, u-Law) with PAMS above 4.3
G.729A/AB with PAMS above 4.0
Adaptive Jitter Buffer Management
Voice Activity Detection
Comfort Noise Generation
Echo Cancellation

Mac address cloning
SIP proxy redundancy
_dynamic via DNS SRV, A records
Direct IP to IP calling
NAT Traversal by STUN
DHCP Client
IP conflict detection
VPN Passthrough (PPTP,L2TP and IPSec)
QoS with Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 (ToS, DiffServ)

Firmware Upgradeable
Web and IVR-driven Management Interface (TFTP, HTTP, HTTPS)
Local and Remote Syslog (RFC3164)
Auto Provisioning and SNMP V2
SNTP Time Synchronization
Multi User Level
TR069 CPE management & monitoring

Fax over IP
T.38 compliant Group 3 Fax Relay up to 14.4kpbs, T.30 Fax with G.711

Call Features
3-way conference, Music on hold, Call hold/forwarding/mute/transfer/waiting
Caller ID and CWCID, DTMF Relay- In-band, Out-band and SIP info
Hotline, Short Dial, Call Block, Dial Rule

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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