FAQ:VoIP:CSTA

Outgoing Calls

"0" Prefix - Adapt Phone Number Format

• Information: Some VTX VPBX are setup with a "0" prefix to dial external numbers ( can be enabled/disabled in the VTX VPBX Outgoing Calls setup )
• Problematic: You would like to not to have to handle the "0" prefix on the CRM side
• Symptoms: When you call out from your CRM, you do not want, or you are not able to add a "0" prefix requested by the VPBX setup
• Solution: Add Number Formatting rules on the CSTA Gateway client to format the numbers correctly
• Additional Information: cf https://support.estos.de/en/procall-enterprise/regulaere-ausdruecke

Solution with ESTOS CSTA for Teles/Communi5

1. In Windows start menu, Open the "Phone Driver Options Advanced"
2. In "Phone Driver Options Advanced", gouble Click on the "ESTO CSTA for Teles/Communi5"
3. In "ECSTA for Teles Voice Application erver", go in Advanced Tab / Formatting / Edit Format
4. In "Phone Number Format", go in the "PC Dialing" tab
5. Enter the Regular expression in the table below and test them ( cf screenshor below )
   1. Search for ^0([1-9].*)$ / Replace it with +41\1
   2. Search for ^00([1-9].*)$ / Replace it with +\1
6. Apply and Save and Close

ESTOS CSTA for Teles/Communi5 - Number Formatting Rules