- Siemens HiPath 1150 PABX has up to 6 inbound Telecom lines and 16 extensions
- Option of ISDN Basic Rate Telecom Lines
- Voicemail / Auto attendant
- Automatic Leased Cost Routing
- Forced account codes for control of the telephone account
- Telephone Management System for reporting on calls
- Access category for night service
- ACS Alternative Carrier Selection
- Alarm announcement
- Association of caller number with HiPath 1150 speed dial name
- Auto attendant with announcement
- Auto hands free activation and deactivation on key sets
- Baby phone/paging with ext. access
- Call back - on busy and no answer
- Call barring with county default
- Call forwarding: internal/external
- Call hold /park
- Call within a group
- Call pickup: group/selective
- CLIP info in each ext. CLIP phone
- CTI protocol via V24
- Conference
- Consultation with attendant console
- DISA
- Do not disturb
- DTMF suffix dialing
- Electronic lock
- Emergency call
- Event signaling (fax, printer)
- External dialing restriction
- External call diversion
- Extension name display
- Fax Group. 3/4 software version 5.2
- Flash on trunk
- Hunt group (linear/cyclic)
- Key programming on key phone
- Caller list
- Music on hold
- Message Waiting on each CLIP device
- Night service
- Number redial
- Remote programming
- Programmable keys
- Sensor/relay features
- Speed dial central (90 x 30 long)
- Secretarial service (associated call)
- UCD statistical software
- Wake-up call
- VMIe - extended Voice Mail Interface
- ADSL option
ISDN Features
- AOC call charge
- COLR Connected Line Restriction
- CLIR Calling Line Indent. Restriction
- CLIP Calling Line Indent. Presentation
- COLP Connected Line Presentation
- CCBS Call Complete to Busy Subscriber
- CFU Call Forward Unconditional
- CFB Call Forward Busy
- CFNR Call Forward No Reply
- DID Direct Inward Dialing
- MSN Multiple Subscriber
- PMP Point to Multipoint
- S0 trunk lines supporting S0 bus
