I know Issabel is Elastix - I am not sure how much has been changed since ZOHO phone bridge was released. Will this work on Issabel - Also may want to reach out to them to have them Update Name.
Integrate Asterisk, Avaya or Elastix with Zoho CRM
https://www.zoho.com/crm/help/zoho-phonebridge/asterisk-avaya-elastix.html
I am so thankful you guys are doing this project. I am a new VAR of PBX, and was just starting with Elastix when things happened.
