Equipment
IP PBX Systems Comparision
Sigma
Configuration
Trunk lines
analogue
up to 12
ISDN (2B+D)
up to 16
ISDN (30B+D)
2
VoIP
up to 30
Total - max number of trunk (CO) lines
128
Extensions
analogue
up to 44
proprietary
up to 32
analogue and proprietary
up to 44
ISDN (2B+D)
up to 16
VoIP
up to 128
Total - max number of extensions (phones)
204
Additional equipment
DISA - Direct Inward System Access
+
Embedded call recording
-
VoiceMail
+
Infolines
+
Number of voice messages
64
Total announcements time
4,5h
Music on hold
4
Announcement files (.wav)
+
Automatic fax transfer
+
Billing buffer
25000
Teletax receivers
+
CLIP equipment
Incoming Call Identification (CLIP) receiver
from ISDN lines
+
from analogue lines
+
Calling Line Identifications sent to
analogue extensions
+
internal digital ports
+
internal proprietary ports
+
Other equipment
Interfaces
RS 232
2
USB
1
VoIP card
1
GSM card (number of GSM channels)
up to 6
Ethernet (LAN)
1
Display (2 x 40 characters)
+
Remote management modem
+
Audio IN
+
Audio OUT
+
Accessories
Door phone support
+
GSM gateway
+
VoIP gateway
+
IP-DECT wireless telephony system
+
DECT wireless telephony
+
Support of bells in schools and industrial plants
+
External call recorders support
+
Power back-up
~4h
Software
Configuration software
SigmaPC
Billing software
BilCent
Recorded calls management software
-
Platan CTI software
+
Hotel interface
+
PCTI protocol
+
Case
Wall mountable
+
Standing
-
RACK 19"
-
Dimensions
Standard case (wall mountable)
height [mm]
500
width [mm]
365
depth [mm]
95
weight [kg]
8,5
RACK Case
height [mm]
-
depth [mm]
-
weight [kg]
-
Functions and services
IP PBX Systems Comparision
Sigma
ISDN functions
DDI / MSN numbers
+
CLIP (Calling Line Identification Presentation)
+
CLIR (Calling Line Identification Restriction)
+
AOC (information on the cost of the call made by ISDN line)
+
MCID (Malicious Call Identification)
+
Time synchronisation with the local public exchange (ISDN)
+
Billing and cost management
Call registration and billing
+/+
Individual accounts (maximum number)
255
Virtual extensions (max number)
255
LCR - Least Cost Routing
+
Restrictions on outgoing calls
+
Tables of banned/allowed numbers (number of tables)
16
Incoming and internal calls
Ring Groups (group numbers)
+
UCD (Uniform Call Distribution)
+
ACD (Automated Call Distribution)
+
Subscriber groups (optional limitation of internal calls)
+
Conference calls (number of parties per conference)
8
“Circular” conference call – automatically called within groups of users
(number of parties per conference)
8
Call Forwarding
+
Call Pick Up
+
Call HOLD (music on HOLD)
+
Indication of waiting call
+
Joining calls in progress
+
Call Transfer (to extension, trunk or mobile line)
+
Transit Connection – remote caller's call charged to the IP-PBX phone system
+
DND - Do Not Disturb
+
Outgoing calls
Hotline
+
Call Booking
+
Voice message for booked calls
+
Saved Number Redial
+
Simple Call Back
+
Alarm dialer (alarm message)
+
Speed dialing
+
Other functions
Automatic change of operation modes
+
Wake-Up call
+
Free numbering of extensions (number of digits)
1-4
Free numbering of services (number of digits)
-
Remote room listening in – "Babysitter"
+
Automatic text messages for service purposes
+
Services available in proprietary phones
system directory and call history
+
port status presentation
+
function and line button programming
+
system messages
+
callers identification
+
call cost presentation
-
message directly onto the speakerphone
+
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