ZyXEL Communications VOP1372G-61 User Manual page 18

Chapter 2 Product Specifications
Table 5 Device Specifications
Other Features
Ringer Output Amplitude Adjustable (25 ~ 90 Vrms)
Output Ringing
Frequency
Ringer Output Power
Peak BHCA
Digital signal processing
features
18
• H.248 (MEGACO) support
• IEEE 802.1Q VLAN Tagging
• IEEE 802.1p CoS with Priority Queuing
• System error logging
• Out-of-band POTS signaling
• Numbering plan
• CLIP and CLIR
• Country code
• Metallic Line Test (MLT)
• External testing device support
• RTP statistics generation
• Local RTP switching
• Centralized and de-centralized H.248 interface structure
• H.248 MGC redundancy
• H.248 VOP signaling card redundancy
• H.248 remote ring back tone generation
• H.248 call overload protection
Adjustable (16.7 / 20 / 25 / 50 Hz)
Maximum 15W
A VOP card can support up to 20,000 Busy Hour Call Attempts (BHCA) per hour
and 3.3 call setups per second.
• •IP/UDP/RTP encapsulation
• Supported voice codecs:
G.711 A-law
G.711 µ-law
G.723.1
G.726 (40, 32, and 24 bit)
G.729 (G.729A and G.729B)
• T.38 fax / modem passthrough and relay
• V.21 fax tone detection
• V.23 FSK Caller ID generation
• Bellcore FSK caller ID generation
• 3-way conference call support
• DTMF detection and relay
• G.168 echo cancellation
• Silence detection and suppression
• Comfort noise generation
• Voice activity detection
• Caller ID generation
• Billing signal generation (12 / 16 kHz metering tone)
• Tone generation:
Dial tone
Busy tone
Congestion tone
Ringback tone
Waiting tone
Howler tone
Distinctive ring
• Packet loss concealment
• Tx/Rx gain
• VPI (Voice Packetization Interval)
• MWI tone
• Holding tone
VOP1372G-61 User's Guide