*asttecs the ip pbx people

*astTECS provides complete IP based next generation PBX based on open source asterisk. Customizable and scalable. In Built features: * CDR * Multiparty conference * Voice logger * IVR * Voicemail Optional Features: GSM integration, CRM integration, Receptionist console and many more add ons. Asterisk based IP-PBX manufacturer *astTECS brings GSM card for asterisk freelancers and individual users ast G4 - PCI GSM card specially designed and compatible with asterisk.