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System Specifications
Standard Protocols
• SIP Proxy, SIP Registrar and SIP Redirect
Server (RFC 3261)
• SIP Outbound Proxy Server
• SDP (RFC 2327), RTP (RFC 1889), RTCP (RFC
1890)
Basic Call Services
• Caller ID
• Call Waiting
• Call Hold and Retrieve
• Call Park and Retrieve
• Call Pickup (Group/Direct)
• Call Forward (No Answer, Busy, Unconditional)
• Do Not Disturb (DND)
• Call Transfer
• Call Back on Busy
• Distinctive Ringing: 12 Kinds of Ring Tones for
3 Types of Calls
• Intercom
• Call Detail Record (CDR) Database
• Phonebook:
- Automatically Synchronized with LDAP Server
- Locally Manipulated Phonebook
• Cross-subnet Group Paging
• Music-On-Hold
• SIP Presence
Outbound Call Handling
• Call Emergency
• Least Cost Route (LCR)
• Group Control
• Call Access Code
• Call Screening
• SIP Trunks and Trusted Peer for ITSP Services
Incoming Call Handling
• Call Blocking
• Hunt Group:
- Ring Algorithm: Ring All, Round Robin,
Least Recent, Fewest Calls, and Random
• Direct Inward Dialing (DID/DDI)
• Night Service:
- Auto-attendant
- Call Forwarding
- Hunt Group
Voice Mail and Auto Attendant
• 10 x 10 x 10 Auto Attendant (AA) Profiles and
Interactive Voice Response (IVR)
• Voice Mail (VM) with E-Mail Forwarding
• Message Waiting Indicator (RFC 3842)
Advanced
• Meet Me Conference: Support Up to 64 Lines
per Conference (with optional 64-CH DSP
expansion module)
• Click to Dial: Contact in Personal Web Portal
• Personal IVR
• Firewall Transparent Web Phone and
Soft Phone
• Compact Click-to-Talk Call Center
• PC-based Attendant Console
• SIP Surveillance
Codec/DSP
• Voice Codec and Support DSP Trans-coding:
- G.711a/µ
- G.729a/b
- G.726 (32 Kbps)
- G.723.1 (5.3 Kbps)
• Wideband Voice Codec Pass-through:
- G.722
- G.722.2 AMR-WB
• Video Codec Pass-through:
- H.261
- H.263
- H.264
- MPEG-4 SP/ASP
• G.168 Echo Cancellation
• G.711 PCM Fax/Modem Detection and
Pass-through
• Voice Activity Detection (VAD)
• Comfort Noise Generation (CNG)
• Dynamic Jitter Buffer
• DTMF Detection and Generation
• DTMF Relay:
- In-Band
- RFC 2833
- SIP Info
• Auto Gain Control (AGC)
Management
• Web-based Management for System and
Personal Configuration
• ZyXEL SmartExpand Dashboard
• Intuitive Wizard for IP PBX Administration
• Group-oriented Authority Management
• Quality of Service: IPTOS and DiffServ
• DSP Channel Allocation
• Sys Log
• Auto Provision
• myZyXEL.com Online Service Subscription
• E-mail Notification:
- CDR Rotation & Alert
- System Log Rotation & Alert
• Multi-lingual Web GUI and Voice Prompts
Reliability
• Full Redundancy: Active-Active and
Active-Standby
• Backup Power Module (BPM)
• FXO Lifeline
Flexibility and Scalability
• ZyXEL SmartExpand Mechanism
• Optional Trunking Expansion Modules:
- 4-port FXO
- 4-port FXS
- 2-port FXO and 2-port FXS with Lifeline
- 1-port ISDN PRI (T1/E1 configurable)
- 4-port ISDN BRI/ST (NT/TE configurable)
• Optional DSP Expansion Modules: 16, 32, and
64 Channels
• Optional Advanced Media Storage
• Detachable Slide-in Fan Module
• Detachable Power Module
System Capacity
• Max. Extensions: 128
• Max. Voice Mail:
- Without Advanced Media Storage: 90 Minutes
- With Advanced Media Storage: 1,000 Hours
(Optional)
• ZyXEL SmartExpand Up to 5 Units
Trunk Compliance
• ISDN PRI (T1/E1):
- Alcatel-Lucent, Avaya, Siemens, and Nortel PBXs
• SIP Trunk:
- Nokia Siemens, Nortel, Broadsoft, and Huawei
Soft Switches