What is the best way to communicate with people in a workplace of different country?

There are many ways to communicate with the team, including ..1) Internet - Online You can use groups in Facebook or forums in Google +, or by e-mail a Muslim from the company or any personal e-mail.2) Android App and iPhone.
There are many applications that operate as a wireless device which operates through the network.3) chat programs such as Yahoo and skype.

respecte /experiense/passion/

explain standards and procedures with the help of cartoon films and pictures.

Internet - is what you want to know and communicate with others within the remote work site or the outside world for the work site

Internet is a great form of communications but nothing beats face to face even over the Internet, there is just something about being able to see the person your talking to.
Communication is not only verbal but physical as well.
If you can not be there physically I suggest using apps like Skype and vodo it really helps to see the person or group you are talking to.

Engage the manager from that country to deliver the details of what you want to communicate.

The best way for long is Facebook, Yahoo or Skype

All depends on:
1- The purpose & significance of the communication (i.e.
for info, instructions, law & regulations update etc.);
2- The number of people to communicate with; and
3- The type of people you are communicating with (workers, middle/senior/top management etc.).
By considering these factors you can decide the most effective and feasible way to communicate.

Social Media

If you are wondering about the ability to have everyone receive messages in a timely manner and for the group to be able to share information I recommend Internet Message Board systems with push notification message systems.
These boards can be set to send message notifications instantly, hourly, or daily.
The preset send settings can also be overridden in the event of a priority or emergency message being sent out.
If it is language barriers you are concerned about I suggest using Google translate.
I have had an excellent experience using it on this message board to chat with new friends in Arabic and German.
It's not perfect but it seems to be enough to get the point across and as a bonus I'm starting to pick up bits and peices of some new languages.