Yes, Call4Smile support T.38 Fax over IP (FOIP) , G.711 Pass through and PSTN (T.30) faxing

The required format of sound file need to 8 Khz sampling rate , 16 bit mono and supported types is wav file

You can use one of following methods to create 8 khz 16 bit mono wav files

a. Microsoft Windows built-in recording tool "Sound Recorder"

The format of external file needs to be in CSV (comma seperated values) format as show below

Contacs Lists can be prepared using following methods

1. Manually adding Contacts

First you need to add a contact group

Click Contacts ==> Contact Group ==> Add new group
Enter name of group and select desired regions, countries and destinations
Click Save button at top

Secondly you need add new contacts to said group

Click Contacts ==> Contacts ==> Add new
Enter Phone number and other information and assign contact to groups
Click Save button at top

2. Importing from external file