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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: VinTelecom
  • Model Number: MK308 PABX system
  • Type: PABX system
  • External CO Lines: 3
  • Internal Extensions: 8
  • Recordable OGM: 50sec
  • Follow me: YES
  • Support analog telephones: YES
  • Warranty: 1 Year
  • Support key phone: Yes
  • Fax detection: Support
  • Support door phone: Yes

Packaging & Delivery

Packaging Details 1.3KG/pcs /gift / colour gift box for PABX system
Delivery Time 3-7 days based on order quantity for PABX system
Product Name: PABX SYSTEM

(3 CO lines x 8 Exts lines)

Model: MK308


Newly design! New arrival !!! 

With more features, Ideal for SOHO / Small offices phone system solution!!! 


Support our door phone KPH201 as the console, support the programming to the PBX system by both Key Phone and regular/ordinary phone.


MK308 PABX system is with more features than SV308 or MS308 PABX system, like recordable OGM 50s for the default, also 60s or 90s OGM can be optional, support CO to CO transfer, system password, system CRBT, Key Phone function, support fax detection, ext. group feature, support callr ID transfer, support external Call forwarding to mobile phone / Follow Me functions......

Automated Telephone System 

This SOHO-PBX MK308 system is an ideal telephone system for small offices and home offices. It is very easy to install and use. It has all the standard features comparable to those expensive PBX systems in the market. It works with your current analog phones and you do not need to spend extra money to buy proprietary telephones to work with the PBX.

Installation is simple, no special tools, test equipment or technical skills is required. The unit has been programmed to  work automatically out of the box.



MK308 PABX system Distinctive features: 


1) M308 is with 50sec recordable OGM DISA in default

2) 60sec or 90sec OGM DISA are for optional

3) Follow me / External call forwarding to mobile phone

4) Can work with Key Phone for secretary/console

5) Support 2 door phone and 2 door locks open function

6Transfer Caller ID / External Caler ID / Intercom Caller ID

7) Ext. groups feature 

8) Fax detection function 

9) External music on holding 

10) Real Time Clock

11) Day / Night / Lunch time setting function

12) System password




MK308 PBX system basic Features

 1) Direct or Indirect Dialing Mode
To place a call, an user can dial directly the phone number of the called party (Direct Dialing Mode).or indirectly by first dialing  the access digit '9' followed by the phone number (Indirect Dialing Mode)
  2) Automated Attendant Mode
Caller will listen to an user prerecorded greeting message (OGM about 20 seconds in length, eg for sales department please dial 601, engineering department please dial 602...) when the automated attendant is turned on. The automated attendant will then handle the caller's response and then connect the call to the appropriate extension.
  3) Operator mode
An incoming call will ring one or some designated extensions; any extension whether ringing or not is able to pick up the call.
  4) Call hold, transfer
Incoming calls can be put on hold and transferred from any extension without any limit even on misdials. 
  5) Caller ID (FSK/DTMF/Bellcore)
The MK308 is capable of receiving FSK/DTMF (Bellcore standard) caller id sent from local telephone company. The telephones must have DTMF caller id detection capabilities and the service must be subscribed.
  6) Three-way conferencing
An established call between a CO Line and an Extension can invite a second  extension to join a 3-Way conference call.
   7) Intercom call
Make internal calls from any extension.
   8) Facsimile supported
Any extension can hook up a fax machine or a PC to send or receive facsimiles.
   9) Incoming call alert
Engaged extension will receive a call waiting tone alerting the party when there is an incoming call.
  10) Toll restriction scheme
Long Distance or International Direct Dialing can be disabled on a per  extension basis.
  11) Secretary assisted dialing
A secretary can make an outgoing call from his or her extension and then transfer the established call to a second extension. This feature is especially helpful for those busy executives. Once the call is connected to the second extension; the secretary can hang-up or remain connected for three-way conferencing.
   12) Limit CO line call duration
External calls can be disconnected at a preset time limit from 1 to 99 minutes on a per extension basis.
  13) External call authorization with password protection
Permit users with authorized password to make external calls..
   14) Power failure tolerant
During power failures, extension #1 remains functional and it can still receive  or make  outside calls.
  15) Do not disturb
Extension with 'do not disturb' turned on will not ring.
  16) No response from caller under Auto-attendant mode
In Auto-attendant mode, after greeting the caller to dial an extension number but receiving no responses from the caller, the incoming call can be programmed  either be terminated or  transferred to the operator.
  17) CO line ports can be disabled or enabled individually
All CO line ports can be disabled (for Intercom only) any CO line ports can be disabled (if the disabled CO port is not connected to a CO line).
  18) Flexible Ring delay on incoming calls
An incoming call can be programmed to ring an extension immediately or  with a delay of one ringing cycle, to tailor to meet the specific characteristics of the attached telephony device.
   19) Enable/disable extensions from accessing CO lines
CO lines  access rights can be granted on a per extension and  per CO line basis.
   20) Flexible extension number plan
User can assign extension numbers ( 1 to 4 digits) for the PBX.

   21) Recording Outgoing Greeting Message (OGM)
User can record his own greeting message which will be stored in the PBX's non volatile memory.

   22) Playback OGM:User can listen to the recorded OGM or the on-hold music.

   23) CO Line ringing assignment 

An incoming call from a specific CO line can ring one or more extensions, or no extension. 


Product Specifications:

Power Supply: AC220V±10% 50/60HZ & AC110V±10%

Power consumption: ≤15W

Ringing Current: AC70V±10%  50HZ

Environment temperature: 0-40

Humidity: 10%-90%







If you have any other questions,contact us now! 

We look forward to cooperat with you!


 skype: Janeheee


trademanager: vintelecom


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