OM4 is an all-in-one IP-PBX for small office, featuring built-in analog phone interfaces, CO line interfaces, SIP trunks and SIP client support. With features such as click-to-call, auto-attendant, on a fly recording, mobile extension, and call back, it greatly improves the communication with customers.
Applications
- Telephon system for small enterprises with distributions, such as chain-stores and etc.
- Intellectual home telephone system of home
- Call center
- Telephone system for virtual offices
Attendant
- Automated attendant
- Interactive voice response (IVR)
- Working hour and non-working hour service
- Changing automated attendant profile on a fly
- Queuing
- Operator group (Up to 5 operators)
- Operator console
Incoming Call
- Direct inward dialing (DID)
- Direct dialing in (DDI)
- Calling line identification (CLI) distribution
- Call block
- Ring tone pattern selection
- Call waiting
Group Receiving
- Extension group
- Group call distribution
- Group ringing
Extension Receiving
- Call forking (Ring simultaneously another pre-selected terminal)
- Call forwarding (FWD)
- Do not disturb (DND)
- Ring pattern selection
- Color ring back tone
Call Pickup
- Directed pickup
- Group pickup
- Pickup operator's call only
Making Call
- Intercom call
- Account code entry
- Outgoing line preference
- Trunk group
- Speed dialing
- Hot line (Immediate, delay)
- Caller ID block
- Emergency call
Outside Access
- Direct inward system access (DISA)
- Call back
- Remote extension setting on phone
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Call Restriction
- Toll restriction/Call barring
- Budget management
- Extension lock
- Verified code entry
Routing
- Automatic route selection
Call Transfer
- Blind call transfer
- Consultation call transfer
- Call transfer to CO line
Call Hold
- Call hold
- Call park
- Music on hold
Conference
Caller ID
- Caller ID
- Incoming call log
Message Notification
- Voicemail message waiting (FSK, polarity reversal)
Recording
- Extension recording
- On the fly recording
Audible Tone
- Dial Tone
- Confirmation tone
- Stutter dial tone
CO line (FXO)
- Polarity inverse detection
- Caller ID detection
- Busy tone detection
- DTMF outpulsing delay
- Volume control
Subscriber Line (FXS)
- Polarity inverse generation
- Caller ID generation (FSK, DTMF)
- Ring cadence setting
- Ring frequency setting
- Volume control
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SIP Trunk
- Registration per line
- Registration per system
Tie Trunk Service
- Direct internal dialing
- Call forwarding
- Call transfer
- Outbound trunk sharing
Other SIP Connection
- Peer-to-peer SIP communication
SIP Extension Outgoing
- Incoming
- HOLD
- Transfer
- Busy line field (BLF)
PC Assistant Click-to-call
- Contact list
- Presence
- Short message
- Retrieving voice mail and recording file
- Call log
Networking
- DHCP
- DNS/DDNS
- PPPoE
- NAT traversal
- IP address filtering for security
Media Stream Processing
- Codecs: G.711, G.729A, T.38
- Echo cancellation
- Jitter buffer automatic adjustment
- Busy tone detection
Non-telephone Terminal
- Fax transmit and receive (T.30 and T.38)
- POS transmit
- PBX connectivity (Analog trunk and analog extension)
System Management
- Web management interface (Local and remote access)
- Firmware upgrade
- Log management
- Configuration import and export
- System status monitoring and statistics
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Model | Local Extension | CO Lines | SIP Extensions | SIP Trunks |
OM4-1S/1 | 1 | 1 | 8 | 8 |
OM4-2S/2 | 2 | 2 | 8 | 8 |
OM4-2S | 2 | 0 | 8 | 8 |