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Appendix F
IPX-1900 Series Specifications
Product
Internet Telephony PBX System
Model
IPX-1900
Hardware
LAN 1 RJ-45 (10/100Base-TX, Auto-Sensing/Switching)
WAN 1 RJ-45 (10/100Base-TX, Auto-Sensing/Switching)
Standards and Protocol
Call control
SIP 2.0 (RFC3261) , SDP (RFC 2327), Symmetric RTP
Registration
Max. 300 nodes / SIP IP phones/ ATA / FXO gateways
Calls
Max. 60 concurrent calls
Voice CODEC Support
G.723, G.726, G.729, G.711, GSM, iLBC
Voice Processing
DTMF detection and generation
In-Band and Out-of-Band (RFC 2833), (SIP INFO)
Supports password authentication using MD5 digest
PBX features
Auto Attendant (AA)
Interactive Voice Response (IVR)
Records IVR via IP Phone
Voicemail Support (VM)
Voicemail Send to E-mail
Call Detailed Record (CDR)
User Management via Web Browsers
Web Firmware Upgrade
Backup and Restore Configuration file
Call/Pickup Group
Displays 300 Registered User’s Status: Unregistered / Registered / On-Call
Displays 60 Registered Trunk’s Status: Unregistered / Registered
Fax Support using G.711 Pass-Through or T.38**
Call features
Caller ID
Call Group
Call Hold
Call Waiting
Call Transfer
Call Forward (Always, Busy, No Answer)
Call Pickup
Call Park
Call Resume
Music on Hold
Three-way conference with feature phones (VIP-254T series, VIP-255PT,
351PT and ATA series: VIP-156/ 157/ 158 / 161W)