SAP is the worlds #1 ERP system widely used from SMB to Enterprise. Integration of vTiger CRM can be effective means of data integration from vTiger to SAP and from SAP to vTiger.
Do you know vTiger community edition is Top 10 OpenSource CRM as per capterra.
As per the report from sourceforge Total 5 million + copy of the vTiger community has been downloaded till today.
PBXManager in vTiger is an important module for Telephony integration. CRMTiger got a request from a customer to integrate PBX manager with Workflow so every call recorded to PBX manager either customer or user will get notification or any other updates through workflow.