Bpl telecom pvt. Ltd. Since 1975 manufactures enterprise communications products. Being a part of that sigma indx 2k is an abbreviated dialing and automatic call back [busy station / trunk] options. Salient features are as follows:
1. busy override [with / without warning] , call consult
2. call forward on busy and no answer, call park, call pickup
3. call transfer, call wait, camp on, conferencing
4. direct inward station access [disa], direct outward dialing [dod]
5. direct outward system access [dosa], do not disturb [dnd]
6. emergency reporting , follow me / remote follow me
7. hands free dialing, hotline / delayed hotline, last caller recall
8. malicious call tracing, network access and network intrude
9. password setting, remote feature programming , software pad lock
10. specific co trunk access and specific tie line access, wake up alarm
