Model Number

CNX 120

Detailed Product Description

CNX 120:120 User Licenses,4 x FXO, 1U Standard Rack Mount, Built-in AC Power Adapter.

CNX 50a: 50 User Licenses, Built-in 4xFXO, Plastic/Metal Case, External AC power adapter.
CNX 50b: 50 User Licenses, 2 x FXO, 2 x FXS, Metal case, External AC power adapter.

1. Key Industry Standards Support

SIP Proxy/Register/Application Server

RFC3261 (RFC3262, 3263, 3265, 3325, 3515, 3581, 3891, 2976, 3326, 4235, 4240)

SDP (RFC2327,4566,3264,4574,4796)

RTP (RFC1889,3550 3984)

DTMF: In-Band/Out-of-Band (RFC2833)/SIP INFO

HTTP/Digest Authentication (RFC2617)

MWI (Message Waiting Indication) RFC3842

Presence/IM (RFC2778, 3858, 3863, 4480)

Voice Codec: (TransCoding) G.729A,GSM, Speex, G.711U, G.711A; (Pass Through) iLBC, G.723, Video Codec: H.263, H.264, Mpeg4 [Pass Through]

VPN: PPTP/L2TP Server,Open VPN Client

Enum (RFC2916,3761, 3764)

PPPoE (RFC2516)

Dynamic DNS (RFC2136, 2137), DHCP(RFC2131)

2. Key features support

2.1 Accommodation for Network Conditions of SME

Two Ethernet RJ45 (LAN/WAN) 10M/100M Network Ports, Router functions.

Supports DMZ Deployment

DHCP Client, PPPoE (ADSL), or Static IP

Supports Dynamic DNS (DDNS) Registration

Open VPN Client and PPTP VPN server

Supports SIP NAT

DHCP Server

2.2 QoS Control Functions

Compliant with Tag of VLAN, 802.1P/802.1Q

Supports Type of Service (TOS/DSCP)

Jitter Buffer and CNG for better voice quality

Echo Cancellation

2.3 External Trunk Connections

SIP Trunk, Connection with ITSP(Internet Telephone Service Provider

- Outgoing SIP calls

- Incoming calls with multiple registrations; every extension can have different DID number from different ITSP.

FXO Trunk

- Incoming or outgoing calls via FXO ports.

Supports ENUM TrunkOptional

2.4 Flexible and Manageable Dial Plans or Calling Route

Use a prefix to select different route (ITSP, FXO, Inter-CNX) to make call.

Least Cost Routing (LCR) for better cost management

Trusted host function for better security and multi-locations interconnection

Supports grouping of extensions

2.5 Typical PBX Features

Basic extension call functions

Create or Remove an Extension  

Call Forward (Always, On Busy, No answer, Offline)

Call Transfer / Call on Hold

Call Park

Follow Me

Call Pick-Up

Extension acts as an operator

Auto Attendant

Do not Disturb (DND)

Call Restricted

Music on Hold or Personalized Greeting

Call Detail Records (CDR), Supports customized calling rate.

T.38 Fax (Pass Through)

Supports Voice Mail with personal greeting (with MWI)

Caller ID (FXO ports support FSK and DTMF Caller ID)

2.6 Advanced IP-PBX Features

Supports Automatic Call Distribution

- Random, Rotation, Longest Idle, Ring All, Least answered

Supports Conference Bridge (supports 6 to 12 participants per conference)

Video Communication (Supports H.264 /Pass Through)

Tight up an extension with mobile phone

Supports Group ringing

Supports Customized IVR Call FlowXML describe IVR

Presence/Instance Messaging

Built-in Push2Talk FunctionMicrosoft IE/Firebox Plug-In,Supports Web800

......

For more detailes, plese feel free to send inquiry to us to get the completed specification file and prise list.